To all our customers Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp. The semiconductor operations of Hitachi and Mitsubishi Electric were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER DESCRIPTION The M37271MF-XXXSP is a single-chip microcomputer designed with CMOS silicon gate technology. It is housed in a 52-pin shrink plastic molded DIP. In addition to their simple instruction sets, the ROM, RAM and I/O addresses are placed on the same memory map to enable easy programming.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER PIN CONFIGURATION (TOP VIEW) HSYNC 1 52 P52/R VSYNC 2 51 3 50 P41/INT2 4 49 P55/OUT1 P42/TIM2 5 48 P04/PWM0 P43/TIM3 6 47 P05/PWM1 P24/AD3 7 46 P06/PWM2 P25/AD2 8 45 P26/AD1 9 44 P07/PWM3 P20 P27 P00/PWM4 10 43 P21 42 P22 P01/PWM5 12 41 P02/PWM6 P17/SIN 13 P44/INT1 P45/SOUT 15 38 P23 P10/OUT2 P11
14 34 35 36 37 38 39 40 I/O port P1 I/O ports P30, P3 1 P1 (8) Processor status register PS (8) 32 31 P3 (2) Data bus RAM 1024 bytes Accumulator A (8) Multi-master I2C-BUS interface 8-bit arithmetic and logical unit Address bus Clock generating circuit 25 Y (8) X (8) P2 (8) A-D converter 26 TIM3 TIM2 23 P0 (8) Stack pointer S (8) ROM 60 K bytes Index register PCL (8) PCH (8) 27 Index register Program counter 18 Progam counter 30 VSS CNVSS SI/O (8) I/O port P2 I/O port P
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER FUNCTIONS Parameter Functions Number of basic instructions 71 Instruction execution time 0.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER FUNCTIONS (continued) OSD function Number of display characters 40 characters ✕ 16 lines Dot structure CC mode: 16 ✕ 26 dots (character part : 16 ✕ 20 dots) OSD mode: 16 ✕ 20 dots EXOSD mode: 16 ✕ 26 dots Kinds of characters 320 kinds (In EXOSDmode, they can be combined with 32 kinds of extra fonts) Kinds of character sizes CC mode: 2
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER PIN DESCRIPTION Pin Name VCC, AVCC, VSS. Power source CNVSS CNVSS Input/ Output Name Apply voltage of 5 V ± 10 % (typical) to VCC and AVCC, and 0 V to VSS. This is connected to VSS. _____ RESET Reset input Input To enter the reset state, the reset input pin must be kept at a “L” for 2 µs or more (under normal VCC conditions).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER PIN DESCRIPTION (continued) P63/OSC1/ Input port XCIN, Clock input for OSD P64/OSC2/ Clock output for OSD XCOUT Sub-clock output Sub-clock input CVIN I/O for data slicer VHOLD Input Ports P63 and P64 are 2-bit input port. Input P63 pin is also used as OSD clock input pin OSC1. Output P64 pin is also used as OSD clock output pin OSC2.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER FUNCTIONAL DESCRIPTION Central Processing Unit (CPU) CPU Mode Register The M37271MF-XXXSP uses the standard 740 family instruction set. Refer to the table of 740 family addressing modes and machine instructions or the SERIES 740 < Software > User’s Manual for details on the instruction set.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER MEMORY Special Function Register (SFR) Area Interrupt Vector Area The interrupt vector area contains reset and interrupt vectors. The special function register (SFR) area in the zero page contains control registers such as I/O ports and timers. Zero Page ROM The 256 bytes from addresses 000016 to 00FF16 are called the zero page area.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ■SFR1 area (addresses C016 to DF16) : Nothing is allocated : Fix this bit to “0” ( do not write “1”) 0 : “0” immediately after reset ? : undefined immediately after reset Address C016 C116 C216 C316 C416 C516 C616 C716 C816 C916 CA16 CB16 CC16 CD16 CE16 CF16 D016 D116 D216 D316 D416 D516 D616 D716 D816 D916 DA16 DB16 DC16 DD16 DE16 DF16 Reg
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ■SFR1 area (addresses E016 to FF16) : Nothing is allocated : Fix this bit to “0” ( do not write “1”) : Fix this bit to “1” ( do not write “0”) 0 : “0” immediately after reset 1 : “1” immediately after reset ? : undefined immediately after reset Address E016 E116 E216 E316 E416 E516 E616 E716 E816 E916 EA16 EB16 EC16 ED16 EE16 EF16 F016 F116
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ■SFR2 area (addresses 20016 to 21F16) : Nothing is allocated : Fix this bit to “0” ( do not write “1”) 0 : “0” immediately after reset 1 : “1” immediately after reset ? : undefined immediately after reset Address Register Bit allocation State immediately after reset b0 b7 b7 20016 20116 20216 20316 20416 20516 20616 20716 20816 20916 20
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ■SFR2 area (addresses 22016 to 23F16) : Nothing is allocated ? : undefined immediately after reset Address Register b7 Bit allocation b0 b7 22016 Vertical position register 11 (VP11) 22116 Vertical position register 12 (VP12) VP1 18 VP117 VP116 VP115 VP114 VP1 13 VP1 12 VP1 11 22216 22316 22416 22516 22616 22716 22816 22916 22A16 22B1
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER : Nothing is allocated 1 : “1” immediately after reset ? : undefined immediately after reset Register Bit allocation State immediately after reset b0 b7 b7 Processor status register (PS) Program counter (PCH) N V T B D I Z Program counter (PCL) Fig. 7.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER INTERRUPTS Interrupt Causes Interrupts can be caused by 18 different sources consisting of 4 external, 12 internal, 1 software, and reset. Interrupts are vectored interrupts with priorities shown in Table 1. Reset is also included in the table because its operation is similar to an interrupt.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (9)Timer 5 · 6 interrupt An interrupt is generated by an overflow of timer 5 or 6. Their priorities are same, and can be switched by software. (10)BRK instruction interrupt This software interrupt has the least significant priority.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER TIMERS (5) Timer 5 The M37271MF-XXXSP has 6 timers: timer 1, timer 2, timer 3, timer 4, timer 5, and timer 6. All timers are 8-bit timers with the 8-bit timer latch. The timer block diagram is shown in Figure 11. All of the timers count down and their divide ratio is 1/(n+1), where n is the value of timer latch.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 7 0 7 Timer mode register 1 (TMR1 : address 00F416) Timer 1 count source selection bit 1 0 : f(XIN)/16 or f(XCIN)/16 (Note) 1 : Count source selected by bit 5 of TMR1 Timer 2 count source selection bit 1 0 : Count source selected by bit 4 of TMR1 1 : External clock from P42/TIM2 pin Timer 1 count stop bit 0 : Count start 1 : Count stop Time
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Data bus 8 XCIN CM7 TMR15 Timer 1 latch (8) 1/4096 8 X IN 1/2 1/8 Timer 1 interrupt request Timer 1 (8) TMR10 TMR12 8 TMR14 8 Timer 2 latch (8) 8 P42/TIM2 Timer 2 interrupt request Timer 2 (8) TMR11 TMR13 8 8 FF16 TM3EL Reset STP instruction Timer 3 latch (8) 8 Timer 3 interrupt request Timer 3 (8) P43/TIM3 TMR20 TMR22
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER SERIAL I/O The M37271MF-XXXSP has a built-in serial I/O which can either transmit or receive 8-bit data in serial in the clock synchronous mode. The serial I/O block diagram is shown in Figure 12. The synchronizing clock I/O pin (SCLK), and data output pin (SOUT) also function as port P4, data input pin (SIN) also functions as port P1.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Internal clock—the serial I/O counter is set to “7” during write cycle into the serial I/O register (address 021416), and transfer clock goes “H” forcibly. At each falling edge of the transfer clock after the write cycle, serial data is output from the SOUT pin. Transfer direction can be selected by bit 5 of the serial I/O mode register.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER PWM OUTPUT FUNCTION The M37271MF-XXXSP is equipped with seven 8-bit PWMs (PWM0– PWM6). PWM0–PWM6 have the same circuit structure and an 8-bit resolution with minimum resolution bit width of 4 µs (for f(XIN) = 8 MHz) and repeat period of 1024 µs. Figure 15 shows the PWM block diagram.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Data bus XIN 1/2 ENABLE PWM timing generating circuit PWM0 register (Address 0200 16) b7 b0 8 POL P04 D04 PWM0 D05 PWM1 D06 PWM2 D07 PWM3 D00 PWM4 D01 PWM5 D02 PWM6 8-bit PWM circuit PW0 P05 PWM1 register (Address 0201 16) PW1 P06 PWM2 register (Address 0202 16) PW2 P07 PWM3 register (Address 0203 16) PW3 P00 PWM4
24 Fig. 16.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 7 PWM mode register 1 (PN: address 020A 16) PWM count source selection bit 0 : Count source supply 1 : Count source stop PWM output polarity selection bit 0 : Positive polarity 1 : Negative polarity 0 0 PWM mode register 2 (PW: address 020B 16) P04/PWM0 output selection bit 0 : P0 4 output 1 : PWM0 output P05/PWM1 output selection bit 0 :
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER A-D CONVERTER (1)A-D Conversion Register (AD) (5)Comparator and Control Circuit A-D conversion reigister is a read-only register that stores the result of an A-D conversion. This register should not be read during A-D conversion.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (6) Conversion Method (7) Internal Operation 1Set bit 7 of the interrupt interval determination control register (address 021216) to “1” to generate an interrupt request at completion of A-D conversion.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (8) Definition of A-D Conversion Accuracy · Differential non-linearity error The deviation of the input voltage required to change output data by “1,” from the corresponding ideal A-D conversion characteristics between 0 and VREF. The definition of A-D conversion accuracy is described below.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER DATA SLICER When the data slicer function is not used, the data slicer circuit can be cut off by setting bit 0 of the data slicer control register 1 (address 00EA16) to “0.” Also, the timing signal generating circuit can be cut off by setting bit 0 of data slicer control register 2 (address 00EB16) to “0.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Figure 23 shows the structure of the data slicer control registers.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (1) Clamping Circuit and Low-pass Filter This filter attenuates the noise of the composite video signal input from the CVIN pin. The CVIN pin to which composite video signal is input requires a capacitor (0.1 µF) coupling outside. Pull down the CVIN pin with a resistor of hundreds of kiloohms to 1 M .
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (4) Timing Signal Generating Circuit This circuit generates a reference clock which is 832 times as large as the horizontal synchronizing signal frequency. It also generates various timing signals on the basis of the reference clock, horizontal synchronizing signal and vertical synchronizing signal.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (5) Data Slice Line Specification Circuit 2 Selection of field to be sliced data In the case of the main data slice line, the field to be sliced data is selected by bits 2 and 1 of the data slicer control register 1 (address 00EA16).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (6) Reference Voltage Generating Circuit and Comparator The composite video signal clamped by the clamping circuit is input to the reference voltage generating circuit and the comparator.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 2After a falling of the clock run-in pulse set in bits 2 to 0 of clock runin detect register 2 (address 00E916) is detected, a start bit is detected by sampling a comparator output. A sampling clock for sampling is obtained by dividing the reference clock generated in the timing signal generating circuit by 13.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER For the main data slice line, the count value of pulses in the window is stored in clock run-in register 1 (address 00E6 16; refer to Figure 33). For the sub-data slice line, the count value of pulses in the window is stored in clock run-in register 3 (address 020916; refer to Figure 34).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (9) Data clock generating circuit This circuit generates a data clock phase-synchronized with the start bit detected in the start bit detecting circuit. Set the time from detection of the start bit to occurrence of the data clock in bits 3 to 7 of the clock run-in detect register 2 (address 00E916).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (12) Synchronizing Signal Counter The synchronizing signal counter counts the composite sync signal taken out from a video signal in the data slicer circuit or the vertical synchronizing signal Vsep as a count source. The count value in a certain time (T time) generated by f(XIN)/213 or f(XIN)/213 is stored into the 5-bit latch.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Table 6. Multi-master I2C-BUS interface functions MULTI-MASTER I2C-BUS INTERFACE The multi-master I2C-BUS interface is a circuit for serial communications conformed with the Philips I2C-BUS data transfer format.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (1) I2C Data Shift Register The I2C data shift register (S0 : address 00F616) is an 8-bit shift register to store receive data and write transmit data.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (4) I2C Control Register 7 ACK 0 ACK FAST CCR4 CCR3 CCR2 CCR1 CCR0 BIT MODE I2C clock control register (S2 : address 00FA16) SCL frequency control bits Refer to Table 7. SCL mode specification bit 0 : Standard clock mode 1 : High-speed clock mode ACK bit 0 : ACK is returned. 1 : ACK is not returned.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER “0” “1” BSEL0 7 SCL1/P11 SCL Multi-master I2C-BUS interface SDA “0” “1” BSEL1 SCL2/P12 “0” “1” BSEL0 SDA1/P13 “0” “1” BSEL1 SDA2/P14 Note: When using multi-master I2C-BUS interface, set bits 3 and 4 of the serial I/O mode register (address 021316) to “1.” Fig. 42.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ■ Bit 3: Arbitration lost✽ detecting flag (AL) In the master transmission mode, when the SDA is made “L” by any other device, arbitration is judged to have been lost, so that this bit is set to “1.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (6) START Condition Generating Method 7 0 I2C status register MST TRX BB PIN AL AAS AD0 LRB (S1 : address 00F816) Last receive bit (Note) 0 : Last bit = “0” 1 : Last bit = “1” General call detecting flag (Note) 0 : No general call detected 1 : General call detected Slave address comparison flag (Note) 0 : Address disagreement 1 : Address ag
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (9) Address Data Communication (8) START/STOP Condition Detecting Conditions There are two address data communication formats, namely, 7-bit addressing format and 10-bit addressing format. The respective address communication formats is described below.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER When the first-byte address data matches the slave address, the AAS bit of the I2C status register (address 00F816) is set to “1.” After the second-byte address data is stored into the I2C data shift register (address 00F616), make an address comparison between the second-byte data and the slave address by software.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER OSD FUNCTIONS Table 10 outlines the OSD functions of the M37271MF-XXXSP. The M37271MF-XXXSP incorporates an OSD control circuit of 40 characters ✕ 16 lines. OSD is controlled by the OSD control register. There are 3 display modes and they are selected by a block unit.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER The OSD circuit has an extended display mode. This mode allows multiple lines (16 lines or more) to be displayed on the screen by interrupting the display each time one line is displayed and rewriting data in the block for which display is terminated by software. Figure 50 shows the configuration of OSD character.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Clock for OSD OSC1 OSC2 Data slicer clock HSYNC VSYNC Display oscillation circuit Control registers for OSD OSD Control circuit OSD control register Horizontal position register Block control registers Clock source control register I/O polarity control register Raster color register Extra font color register Border color register Window H
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 7 7 0 Block control register i (i = 1 to 16) (BCi : addresses 00D0 16 to 00DF) 0 OSD control register (OC : address 00CE16) Display mode selection bits b1 b0 OSD control bit (Note 1) 0 : All-blocks display off 1 : All-blocks display on 0 0 1 1 Scan mode selection bit 0 : Normal scan mode 1 : Bi-scan mode 0 : Display OFF 1 : OSD mode 0
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (1) Dual Layer OSD M37271MF-XXXSP has 2 layers; layer 1 and layer 2. These layers display the OSD for controlling TV and the closed caption display at the same time and overlayed on each other. Each block can be assigned to either layer by bits 6 and 5 of the block control register (refer to Figure 53).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (2) Display Position The display positions of characters are specified in units called a “block.” There are 16 blocks, blocks 1 to 16. Up to 40 characters can be displayed in each block (refer to (6) Memory for OSD). The display position of each block can be set in both horizontal and vertical directions by software.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER The display position in the vertical direction is determined by counting the horizontal sync signal (HSYNC). At this time, it starts to count the rising edge (falling edge) of HSYNC signal from after about 1 machine cycle of rising edge (falling edge) of VSYNC signal.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Notes 1 : 1TC (TC : OSD clock cycle divided by prescaler) gap occurs between the horizontal display start position set by the horizontal position register and the most left dot of the 1st block. Accordingly, when 2 blocks have different predivide ratios, their horizontal display start position will not match.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (4) Clock for OSD As a clock for display to be used for OSD, it is possible to select one of the following 3 types.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (5) Field Determination Display To display the block with vertical dot size of 1/2H, whether an even field or an odd field is determined through differences in a synchronizing signal waveform of interlacing system. The dot line 0 or 1 (refer to Figure 65) corresponding to the field is displayed alternately.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Both H SYNC signal and V SYNC signal are negative-polarity input HSYNC Field V SYNC and VSYNC control signal in microcomputer Upper : VSYNC signal (n–1) field (Odd-numbered) Field Display dot line determination selection bit flag(Note) Odd T1 0.25 to 0.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER The OSD ROM of the character font has a capacity of 12800 bytes. Since 40 bytes are required for 1 character data, the ROM can stores up to 320 kinds of characters. The OSD ROM of the extra font has a capacity of 1664 bytes. Since 52 bytes are required for 1 character data, the ROM can stores up to 32 kinds of characters.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 2 RAM for OSD (addresses 080016 to 0FFF16) The RAM for OSD is allocated at addresses 080016 to 0FFF16, and is divided into a display character code specification part, color code 1 specification part, and color code 2 specification part for each block. Table 14 shows the contents of the RAM for OSD.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Table 14.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Table 14.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Note: Do not read from and write to addresses in OSD RAM shown in Table 15. Table 15.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Blocks 1 to16 b7 RF7 b0 RF6 RF5 RF4 RF3 RF2 b7 b0 Color code 1 CC mode Bit name b0 RF1 RF0 RC17 RC16 RC15 RC14 RC13 RC12 RC11 RC10 RC23 RC22 RC21 RC20 Character code Bit b3 OSD mode Function Bit name Color code 2 EXOSD mode Function Bit name Function RF0 RF1 RF2 RF3 Character code RF4 (Low-order 8 bits) RF5 Specificatio
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (7) Character color The color for each character is displayed by the color code 1. The kinds and specification method of character color are different depending on each mode. CC mode .................. 7 kinds Specified by bits 1 (R), 2 (G), and 3 (B) of the color code 1 OSD mode ...............
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (9) OUT1, OUT2 signals The OUT1, OUT2 signals are used to control the luminance of the video signal.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (10) Attribute The attributes (flash, underline, italic) are controlled to the character font. The attributes for each character are specified by the color codes 1 and 2 (refer to Figure 68). The attributes to be controlled are different depending on each mode. CC mode ..................... Flash, underline, italic OSD mode ..................
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Color code 1 Color code 1 Bit 6 Bit 7 Bit 6 0 0 1 (a) Ordinary Bit 7 0 (b) Underline Color code 1 Bit 6 Color code 1 Bit 7 0 1 (c) Italic (pre-divide ratio = 1) Bit 6 Bit 7 0 1 (d) Italic (pre-divide ratio = 2) Fig. 71.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Notes 1 : There is no border for the extra font. 2 : The border dot area is the shaded area as shown in Figure 75. In the EXOSD mode, top and bottom of character font display area is not bordered. 3 : When the border dot overlaps on the next character font, the character font has priority (refer to Figure 76 A).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER OSD mode EXOSD mode 16 dots 16 dots 20 dots 20 dots Character font area 1 dot width of border 1 dot width of border 1 dot width of border 1 dot width of border Fig. 75.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (11) Multiline Display The M37271MF-XXXSP can ordinarily display 16 lines on the CRT screen by displaying 16 blocks at different vertical positions. In addition, it can display up to 16 lines by using OSD interrupts. An OSD interrupt request occurs at the point at which display of each block has been completed.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (12) Automatic Solid Space Function Notes 1 : Blank is disabled on the left side of the 1st character and on the right side of the 40th character of each block. 2 : When using this function, set “00916” to the 40th character.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (13) Scan Mode M37271MF-XXXSP has the bi-scan mode for corresponding to HSYNC of double speed frequency. In the bi-scan mode, the vertical start display position and the vertical size is two times as compared with the normal scan mode. The scan mode is selected by bit 1 of the OSD control register (refer to Figure 52). Table 19.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 7 0 Window H register 1 (WH1 : address 021C16) Control bits of window top boundary (Note) Top boundary position (low-order 8bits) TH✕(setting value of low-order 2bits of WH2✕162 +setting value of high-order 4bits of WH1✕161 +setting value of 0 low-order 4bits of WH1 ✕16 ) 7 0 Window H register 2 (WH2 : address 021E16 ) Control bits of wind
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (15) OSD Output Pin Control The OSD output pins R, G, B, and OUT1 can also function as ports P52, P53, P54 and P55. Set the corresponding bit of the OSD port control register (address 00CB16) to “0” to specify these pins as OSD output pins, or set it to “1” to specify it as a general-purpose port P5 pins.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER (16) Raster Coloring Function An entire screen (raster) can be colored by setting the bits 6 to 0 of the raster color register. Since each of the R, G, B, I1, I2, OUT1, and OUT2 pins can be switched to raster coloring output, 7 raster colors can be obtained.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER INTERRUPT INTERVAL DETERMINATION FUNCTION The M37271MF-XXXSP incorporates an interrupt interval determination circuit. This interrupt interval determination circuit has an 8-bit binary up counter as shown in Figure 86. Using this counter, it determines an interval or a pulse width on the INT1 or INT2 (refer to Figure 88).
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 16µs 32µs RE1 Control circuit 8-bit binary up counter (8) RE0 8 INT2 (Note) INT1 (Note) Interrupt interval determination register(8) RE2 (Address 0211 16) 8 Selection gate : Connected to black colored side at rest.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER RESET CIRCUIT Poweron The M37271MF-XXXSP is reset according to the sequence shown in Figure 90.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER Ports P03, P10, P15–P17, P2, P30, P31 Direction register CMOS output Data bus Port latch Ports P03, P10, P15–P17, P2, P30, P31 Note : Each port is also used as below : P10 : OUT2 P15 : I1 P16 : I2/INT3 P17 : SIN P24–P26 : AD3–AD1 Ports P00–P02, P04–P07 N-channel open-drain output Direction register Ports P00–P02, P04–P07 Data bus Port
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER SOUT, SCLK N-channel open-drain output Direction register Ports SOUT, SCLK Note : Each pin is also used as below : SOUT : P45 SCLK : P46 Data bus HSYNC, VSYNC R, G, B, OUT1 Schmidt input Internal circuit CMOS output HSYNC, VSYNC Internal circuit Note : Each pin is also used as below : R : P52 B : P54 G : P53 OUT1 : P55 Ports P40–P
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER CLOCK GENERATING CIRCUIT (3) Low-Speed Mode The M37271MF-XXXSP has 2 built-in oscillation circuits. An oscillation circuit can be formed by connecting a resonator between XIN and XOUT (XCIN and XCOUT). Use the circuit constants in accordance with the resonator manufacturer’s recommended values.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER XCIN XCOUT OSC1 oscillating mode selection bits (Notes 1, 4) XOUT XIN “1” Timer 3 count stop bit (Notes 1, 2) Timer 4 count stop bit (Notes 1, 2) Timer 3 Timer 4 “1” 1/8 1/2 “0” Internal system clock selection bit (Notes 1, 3) “0” Timer 3 count source selection bit (Notes 1, 2) Timing φ (Internal clock) Main clock (X IN–XOUT) stop
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER High-speed operation start mode Reset WIT instruction 8MHz oscillating 32kHz oscillating φ is stopped (“H”) Timer operating STP instruction 8MHz oscillating 32kHz oscillating f(φ ) = 4MHz Interrupt 8MHz stopped 32kHz stopped φ is stopped (“H”) Interrupt (Note 1) External INT, timer interrupt, or SI/O interrupt External INT CM 7 = 0 CM
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER DISPLAY OSCILLATION CIRCUIT ADDRESSING MODE The OSD oscillation circuit has a built-in clock oscillation circuits, so that a clock for OSD can be obtained simply by connecting an LC, a ceramic resonator, or a quartz-crystal oscillator across the pins OSC1 and OSC2.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER DATA REQUIRED FOR MASK ORDERS The following are necessary when ordering a mask ROM production: (1) Mask ROM Order Confirmation Form (2) Mark Specification Form (3) Data to be written to ROM, in EPROM form (32-pin DIP Type 27C101, three identical copies) PROM Programming Method The built-in PROM of the One Time PROM version (blank) and builti
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ABSOLUTE MAXIMUM RATINGS Parameter Symbol Conditions Ratings Unit All voltages are based on VSS. Output transistors are cut off. –0.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER ELECTRIC CHARACTERISTICS (VCC = 5 V ± 10 %, VSS = 0 V, f(XIN) = 8 MHz, Ta = –10 °C to 70 °C, unless otherwise noted) Parameter Symbol ICC Power source current System operation Wait mode Stop mode Test conditions Limits Min. Typ. Max. VCC = 5.5 V, CRT OFF f(XIN) = 8 MHz Data slicer OFF 15 30 CRT ON Data slicer ON 30 45 VCC = 5.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER A-D CONVERTER CHARACTERISTICS (VCC = 5 V ± 10 %, VSS = 0 V, f(XIN) = 8 MHz, Ta = –10 °C to 70 °C, unless otherwise noted) Symbol — Resolution — Non-linearity error — Differential non-linearity error Limits Test conditions Parameter VOT Zero transition error VCC = 5.12V IOL (SUM) = 0mA VFST Full-scale transition error VCC = 5.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER PACKAGE OUTLINE 89
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER GZZ–SH10–44B < 5ZA0 > Mask ROM number 740 FAMILY MASK ROM CONFIRMATION FORM SINGLE-CHIP MICROCOMPUTER M37271MF-XXXSP MITSUBISHI ELECTRIC Receipt Date : Section head signature Supervisor signature Note : Please fill in all items marked *.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER GZZ–SH10–44B < 5ZA0 > 740 FAMILY MASK ROM CONFIRMATION FORM SINGLE-CHIP MICROCOMPUTER M37271MF-XXXSP MITSUBISHI ELECTRIC Writing the product name and character ROM data onto EPROMs Addresses 00000 16 to 0000F 16 store the product name, and addresses 10800 16 to 1E43F 16 store the character pattern.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER GZZ–SH10–44B < 5ZA0 > 740 FAMILY MASK ROM CONFIRMATION FORM SINGLE-CHIP MICROCOMPUTER M37271MF-XXXSP MITSUBISHI ELECTRIC Font data must be stored in the proper OSD ROM address according to the following table.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER GZZ–SH10–44B < 5ZA0 > 740 FAMILY MASK ROM CONFIRMATION FORM SINGLE-CHIP MICROCOMPUTER M37271MF-XXXSP MITSUBISHI ELECTRIC The following OSD ROM addresses must be set “FF.” There are no font data in these addresses.
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 52P4B (52-PIN SHRINK DIP) MARK SPECIFICATION FORM 94
MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER SHRINK DIP MARK SPECIFICATION FORM for one time PROM version microcomputers 95
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REVISION DESCRIPTION LIST Rev. No. M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP Revision Description DATA SHEET Rev. date 1.0 First Edition 9708 2.0 Information about copyright note, revision number, release date added (last page).
