INTEGRATED CIRCUITS DATA SHEET SAA7327 Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) Product specification Supersedes data of 1999 Jun 17 File under Integrated Circuits, IC01 2000 Jun 26
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14 7.14.1 7.14.2 7.14.3 7.14.4 7.14.5 7.14.6 7.14.7 7.14.8 7.14.9 7.14.10 7.14.11 7.15 7.15.1 7.15.2 7.15.3 7.15.4 CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 QUICK REFERENCE DATA 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 7.1.1 7.1.2 7.1.3 7.1.4 7.2 7.3 7.4 7.4.1 7.4.2 7.5 7.5.1 7.5.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 1 SAA7327 FEATURES • Integrated bitstream DAC with differential outputs, operating at 96fs with 3rd order noise shaper; typical performance of −95 dB signal-to-noise ratio (EIAJ A-weighted) • Separate serial input and output interfaces allow data ‘loopback’ mode for use of onboard DAC as stand-alone DAC for digital audio signals • Up to 2 times speed mode • Electronic
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 4 SAA7327 QUICK REFERENCE DATA SYMBOL PARAMETER VDD supply voltage IDD supply current fxtal CONDITIONS MIN. TYP. MAX. UNIT 3.0 3.3 3.6 V − 20 − mA crystal frequency 8 8.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 5 SAA7327 BLOCK DIAGRAM D1 D2 8 R1 R2 VDDA2 VSSA2 handbook, full pagewidth D3 9 10 VSSA1 D4 11 4 VDDA1 14 VSSD2 VDDD1(P) VDDD2(C) VSSD3 VSSD1 5 17 33 50 58 52 57 12 PREPROCESSING ADC 13 CONTROL FUNCTION 54 OUTPUT STAGES VRIN 7 Vref GENERATOR 55 56 RA FO SL CONTROL PART SCL SDA RAB SILD HFIN HFREF ISLICE Iref 64 40 39 41 MICROCONTROLL
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 6 PINNING SYMBOL PIN DESCRIPTION HFREF 1 comparator common mode input HFIN 2 comparator signal input ISLICE 3 current feedback output from data slicer VSSA1 4(1) analog ground 1 VDDA1 5(1) analog supply voltage 1 6 reference current output Iref VRIN 7 reference voltage for servo ADCs D1 8 unipolar current input 1 (central diode signal input) D2
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PIN SAA7327 DESCRIPTION RAB 41 microcontroller interface R/W and load control line input (4-wire bus mode) SILD 42 microcontroller interface R/W and load control line input (4-wire bus mode) STATUS 43 servo interrupt request line/decoder status register output (open-drain) TEST3 44 test control input 3 (this pin should be tied LOW) RCK 45 subcode
Philips Semiconductors Product specification 49 CL11/4 50 VSSD2 SAA7327 51 DOBM 52 VDDD1(P) 53 CFLG 54 RA 55 FO 56 SL 58 VSSD3 59 MOTO1 60 MOTO2 61 V4 62 V5 63 V1 64 LDON handbook, full pagewidth 57 VDDD2(C) Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) HFREF 1 48 SBSY HFIN 2 47 SFSY ISLICE 3 46 SUB VSSA1 4 45 RCK VDDA1 5 44 TEST3 Iref 6 43 STATUS VRIN 7 42 SILD D1 8 41 RAB SAA7327H D2 9 40 SCL D3 10 39 SDA D4 11 38 RESET
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) • Standby 1: ‘CD-STOP’ mode; most I/O functions are switched off varying input data rates from the inside-to-outside of the disc. • Standby 2: ‘CD-PAUSE’ mode; audio output features are switched off, but the motor loop, the motor output and the subcode interfaces remain active; this is also called a ‘Hot Pause’.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.2 Crystal oscillator 7.3 The crystal oscillator is a conventional 2-pin design operating between 8 and 35 MHz. This oscillator is capable of operating with ceramic resonators and with both fundamental and third overtone crystals. External components should be used to suppress the fundamental output of the third overtone crystals as shown in Figs 3 and 4.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 crystal clock 100 nF HFREF VSSA D 47 pF 1 nF Q HF input 2.2 kΩ HFIN DPLL 22 kΩ 100 µA VSS 100 nF ISLICE MGS179 VDD 100 µA VSSA Fig.6 Data slicer showing typical application components (for n = 1). 7.4 7.4.1 Demodulator The PLL lock signal can be accessed via the SDA or STATUS pins selected by decoder registers 2 and 7.
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Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.5 7.5.1 Subcode data processing The subcode interface output formats are illustrated in Fig.8, where the RCK signal is supplied by another device such as a CD graphics decoder. Q-CHANNEL PROCESSING The 96-bit Q-channel word is accumulated in an internal buffer. The last 16 bits are used internally to perform a Cyclic Redundancy Check (CRC).
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 200/n µs min W96 11.3/n µs min 90/n µs max 11.3/n µs 1 Q SAA7327 R S T U V W 1 Q MBG401 n = disc speed. Fig.9 Subcode format and timing on pin V4. 7.6 FIFO and error corrector 7.6.1 The SAA7327 has a ±8 frame FIFO. The error corrector is a t = 2, e = 4 type, with error corrections on both C1 (32 symbol) and C2 (28 symbol) frames.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) Table 2 SAA7327 Output flags F1 F2 F3 F4 F5 F6 F7 F8 DESCRIPTION 0 X X X X X X X no absolute time sync 1 X X X X X X X absolute time sync X 0 0 X X X X X C1 frame contained no errors X 0 1 X X X X X C1 frame contained 1 error X 1 0 X X X X X C1 frame contained 2 errors X 1 1 X X X X X C1 frame uncorrectable
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.7.4 7.7.5 MUTE, FULL-SCALE, ATTENUATION AND FADE A digital level controller is present on the SAA7327 which performs the functions of soft mute, full-scale, attenuation and fade; these are selected via decoder register 0: SAA7327 PEAK DETECTOR The peak detector measures the highest audio level (absolute value) on positive peaks for left and right channels.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.8 7.8.1.2 DAC interface 7.8.1 INTERNAL BITSTREAM DIGITAL-TO-ANALOG CONVERTER (DAC) Loopback external data into onboard DAC The onboard DAC can also be set to accept digital audio inputs from an external source, e.g. audio from a VCD decoder IC. This is known as loopback mode and is enabled by setting shadow register 7 to XX01.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.8.2 All formats are MSB first and fs is (44.1 × n) kHz. The polarity of the WCLK and the data can be inverted; selectable by decoder register 7. It should be noted that EF is only a defined output in CD-ROM and 1fs modes. EXTERNAL DAC INTERFACE Audio data from the CD7 II decoder can be sent direct to an external DAC, identical to the SAA737x series.
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Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.9 EBU interface 7.9.1 SAA7327 FORMAT The digital audio output consists of 32-bit words (‘subframes’) transmitted in bi-phase mark code (two transitions for a logic 1 and one transition for a logic 0). Words are transmitted in blocks of 384. The formats are given in Table 6.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.10 KILL circuit It should be noted that the EBU output should be set LOW prior to switching the audio features off and after switching audio features back on a full-scale command should be given. The KILL circuit detects digital silence by testing for an all-zero or all-ones data word in the left or right channel prior to the digital filter.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.13 7.13.1 7.13.1.1 Spindle motor control SAA7327 Pulse density output mode In the pulse density mode the motor output pin (MOTO1) is the pulse density modulated motor output signal. A 50% duty factor corresponds with the motor not actuated, higher duty factors mean acceleration, lower mean braking. In this mode, the MOTO2 signal is the inverse of the MOTO1 signal.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 + M 10 Ω 100 nF MOTO1 MOTO2 VSS MGA365 - 2 Fig.16 Motor 2-line PWM mode application diagram. 7.13.1.3 PWM output mode (4-line) Using two extra outputs from the versatile pins interface, it is possible to use the SAA7327 with a 4-input motor bridge. The timing is illustrated in Fig.17. A typical application diagram is illustrated in Fig.18.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 + V4 V5 M 10 Ω 100 nF MOTO1 MOTO2 VSS MGA364 - 2 Fig.18 Motor 4-line PWM mode application diagram. 7.13.1.4 CDV/CAV output mode 7.13.2.1 In the CDV motor mode, the FIFO position will be put in pulse-width modulated form on the MOTO1 pin [carrier frequency (300 × d) Hz], where ‘d’ is the disc speed factor.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.13.4 SAA7327 FIFO OVERFLOW If FIFO overflow occurs during Play mode (e.g.: as a result of motor rotational shock), the FIFO will be automatically reset to 50% and the audio interpolator tries to conceal as much as possible to minimize the effect of data loss.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14 7.14.1 Servo part SAA7327 The ADCs are designed to convert unipolar currents into a digital code. The dynamic range of the input currents is adjustable within a given range, which is dependent on the value of the external reference current (Iref) resistor and the values programmed in shadow registers A and C.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADEN BIT 1 7.14.2 SHADOW REGISTER C signal magnitude control for diodes R1 and R2 ADDRESS DATA 1100 0000 (0.042).Iref = 1.006 µA (nominal) − 0001 (0.083).Iref = 2.013 µA (nominal) − 0010 (0.125).Iref = 3.019 µA (nominal) − 0011 (0.167).Iref = 4.025 µA (nominal) − 0100 (0.208).Iref = 5.031 µA (nominal) − 0101 (0.25).Iref = 6.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 handbook, full pagewidth SATELLITE DIODE R1 SATELLITE DIODE R1 D1 D2 D1 D2 D4 D3 SATELLITE DIODE R1 D1 D2 D3 D3 D4 SATELLITE DIODE R2 SATELLITE DIODE R2 SATELLITE DIODE R2 single Foucault astigmatic focus double Foucault MBG422 Fig.20 Detector arrangement. 7.14.3 7.14.3.1 7.14.3.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14.3.4 Focus loss detection and fast restart 7.14.4.3 Whenever FOK is false for longer than approximately 3 ms, it is assumed that the focus point is lost. A fast restart procedure is initiated which is capable of restarting the focus loop within 200 to 300 ms depending on the programmed coefficients of the microcontroller. 7.14.3.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 These signals are, however, afflicted with some uncertainties caused by: During the actuator jump mode, velocity control with a PI controller is used for the actuator. The sledge is then continuously controlled using the filtered value of the radial PID output. All filter parameters (for actuator and sledge) are user programmable.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14.7 7.14.8.3 OFF-TRACK DETECTION During active radial tracking, off-track detection has been realised by continuously monitoring the off-track counter value. The off-track flag becomes valid whenever the off-track counter value is not equal to zero. Depending on the type of extended S-curve, the off-track counter is reset after 0.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15 During reset (i.e. RESET pin is held LOW) the RA, FO and SL pins are high-impedance. • 4-wire bus mode: protocol compatible with SAA7345 (CD6) and TDA1301 (DSIC2) where: The LDON pin (open-drain output) is used to switch the laser off and on. When the laser is on, the output is high-impedance.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.1 7.15.1.1 7.15.1.4 MICROCONTROLLER INTERFACE (4-WIRE BUS MODE) Writing data to registers 0 to F It should be noted that SILD must be held HIGH; after subcode read starts, the microcontroller may take as long as it wants to terminate the read operation; when enough subcode has been read (1 to 96 bits), terminate reading by pulling RAB LOW.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) It should be noted that RAB must be held LOW; the command or data is interpreted by the SAA7327 after the HIGH-to-LOW transition of SILD; there must be a minimum time of 70 µs between SILD pulses. • Send START condition 7.15.1.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 RAB (microcontroller) SCL (microcontroller) SDA (microcontroller) A3 SDA (SAA7327) A2 A1 A0 D3 D2 D1 D0 high-impedance MGS237 Fig.24 Microcontroller write protocol for registers 0 to F (repeat mode). RAB (microcontroller) SCL (microcontroller) SDA (microcontroller) high-impedance SDA (SAA7327) STATUS MGS238 Fig.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 RAB (microcontroller) SCL (microcontroller) CRC OK SDA (SAA7327) Q1 Q2 Q3 Qn – 2 Qn – 1 Qn MGS239 STATUS Fig.26 Microcontroller protocol for reading Q-channel subcode. RAB (microcontroller) SCL (microcontroller) SDA (SAA7327) high-impedance CRC OK 10.8/n ms CRC OK 15.4/n ms 2.3/n ms READ start allowed Fig.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 t2 t1 t3 RAB (microcontroller) SCL (microcontroller) SDA (SAA7327) Q1 Q2 Q3 Qn MGS241 Fig.28 SUBQREADY-I status timing when subcode is read.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 handbook, full pagewidth SILD (microcontroller) SDA (microcontroller) COMMAND DATA1 MBG413 microcontroller write (full command) Fig.30 Microcontroller protocol for repeated data in write servo commands.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.3 When SHADEN is set to logic 0 (decoder register F set to XXX0) all subsequent addresses are decoded by the main decoder registers again. DECODER REGISTERS AND SHADOW REGISTERS To maintain compatibility with the SAA737x series, decoder registers 0 to F are identical to the SAA7370.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) INITIAL(1) REGISTER ADDRESS DATA 2 (status control to servo part not the STATUS pin) 0010 0000 status = SUBQREADY-I 0001 status = MOTSTART1 − 0010 status = MOTSTART2 − 0011 status = MOTSTOP − 0100 status = PLL Lock − 0101 status = V1 − 0110 status = V2 − 0111 status = MOTOR-OV − 1000 status = FIFO overflow − 1001 status = shock detect −
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) REGISTER 6 (motor output configuration) 7 (DAC output and status control) ADDRESS DATA 0110 XX00 0111 A (EBU output) B (speed control) 2000 Jun 26 1001 1010 1011 INITIAL(1) motor power maximum 37% reset XX01 motor power maximum 50% − XX10 motor power maximum 75% − XX11 motor power maximum 100% − 00XX MOTO1, MOTO2 pins 3-state reset 01XX motor
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) REGISTER C (versatile pins interface) D (versatile pins interface) E F (subcode interface and shadow register enable) DATA 1100 XXX1 external off-track signal input at V1 XXX0 internal off-track signal used (V1 may be read via status) XX0X kill-L at KILL output, kill-R at V3 output 001X V3 = 0; single KILL output reset 011X V3 = 1; single KILL output − 0
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 Table 15 Loop filter bandwidth FUNCTION REGISTER ADDRESS 8 (PLL loop filter bandwidth) 1000 DATA LOOP BANDWIDTH (Hz) INTERNAL BANDWIDTH (Hz) LOW-PASS BANDWIDTH (Hz) INITIAL(1) 0000 1640 × n 525 × n 8400 × n − 0001 3279 × n 263 × n 16800 × n − 0010 6560 × n 131 × n 33600 × n − 0100 1640 × n 1050 × n 8400 × n − 0101 3279 × n 525 × n
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADEN BIT 1 SHADOW REGISTER 7 control of onboard DAC ADDRESS DATA 0111 XXX0 hold onboard DAC outputs at zero XXX1 enable onboard DAC outputs XX0X use external DAC or route audio data into onboard DAC (loopback mode) XX1X route audio data into onboard DAC (non-loopback mode) X1XX use internal reference for servo reference voltage reset X0XX use external r
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADEN BIT 1 2000 Jun 26 SHADOW REGISTER C signal magnitude control for diodes R1 and R2 SAA7327 ADDRESS DATA 1100 0000 (0.042).Iref = 1.006 µA (nominal) − 0001 (0.083).Iref = 2.013 µA (nominal) − 0010 (0.125).Iref = 3.019 µA (nominal) − 0011 (0.167).Iref = 4.025 µA (nominal) − 0100 (0.208).Iref = 5.031 µA (nominal) − 0101 (0.25).Iref = 6.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.6 SAA7327 SUMMARY OF SERVO COMMANDS A list of the servo commands is given in Table 17. These are fully compatible with SAA7370.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 RAM ADDRESS AFFECTS POR VALUE jumpwatchtime 57H Watchdog − radial jump Watchdog time-out radcontrol 59H Watchdog − enable/disable automatic radial off feature − set-up − enable/disable decoder interface 4AH set-up 38H PARAMETER chip_init xtra_preset DETERMINES laser on/off RA, FO and SL PDM modulating frequency fast jumping circuit on/off
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER VDD supply voltage VI(max) maximum input voltage CONDITIONS MIN. −0.5 note 1 MAX. UNIT +3.6 V any input −0.5 VDD + 0.5 V pins SDA, SCL, RAB and SILD −0.5 +5.5 V VO output voltage (any output) −0.5 +3.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER CONDITIONS SAA7327 MIN. TYP. MAX. UNIT Decoder analog front-end (VDDA = 3.3 V; VSSA = 0 V; Tamb = 25 °C) COMPARATOR INPUTS: PINS HFIN AND HFREF 8 − 70 MHz switching voltage threshold − 0.5VDD − V input voltage level (HFIN) − 1.0 − V fclk clock frequency Vth(sw) Vi(HFIN) note 2 Servo analog part (VDDA = 3.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER CONDITIONS SAA7327 MIN. TYP. MAX. UNIT PIN SELPLL (CMOS INPUT WITH PULL-UP RESISTOR) VIL LOW-level input voltage −0.3 − +0.3VDDD V VIH HIGH-level input voltage 0.7VDDD − VDDD + 0.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER CONDITIONS SAA7327 MIN. TYP. MAX. UNIT 3-state outputs PINS EF, SCLK, WCLK, DATA, CL16, RA, FO, SL, SBSY, SFSY, SUB AND CL11/4 VOL LOW-level output voltage IOL = 1 mA 0 − 0.4 V VOH HIGH-level output voltage IOH = −1 mA VDDD − 0.4 − VDDD V CL load capacitance − − 35 pF to(r) output rise time CL = 20 pF; 0.4 to (VDDD − 0.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER Ri(pu) input pull-up resistance Ci input capacitance VOL LOW-level output voltage IOL LOW-level output current CL load capacitance to(f) output fall time CONDITIONS Vi = 0 V IOL = 1 mA CL = 20 pF; (VDDD − 0.4) to 0.4 V SAA7327 MIN. TYP. MAX. UNIT − 120 − kΩ − − 10 pF 0 − 0.4 V − − 1 mA − − 25 pF − − 15 ns −0.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 10 OPERATING CHARACTERISTICS (SUBCODE INTERFACE TIMING) VDD = 3.0 to 3.6 V; VSS = 0 V; Tamb = −10 to +70 °C; unless otherwise specified. SYMBOL PARAMETER MIN. TYP. MAX. UNIT Subcode interface timing (single-speed × n); see Fig.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) tW(SBSY) handbook, full pagewidth SAA7327 Tcy(block) SBSY tSFSYH SFSY (4-wire mode) tW(SFSY) Tcy(frame) SFSY (3-wire mode) tSFSYL SFSY 0.8 V td(SFSY−RCK) tf tr VDD – 0.8 V RCK 0.8 V td(SFSY−SUB) th(RCK−SUB) td(RCK−SUB) VDD – 0.8 V SUB 0.8 V MGL718 Fig.32 Subcode interface timing diagram.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 11 OPERATING CHARACTERISTICS (I2S-BUS TIMING) VDD = 3.0 to 3.6 V; VSS = 0 V; Tamb = −10 to +70 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT I2S-bus timing (single-speed × n); see Fig.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING) VDD = 3.0 to 3.6 V; VSS = 0 V; Tamb = −10 to +70 °C; unless otherwise specified. NORMAL MODE SYMBOL PARAMETER LOCK-TO-DISC MODE CONDITIONS UNIT MIN. MAX. MIN. MAX.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 NORMAL MODE SYMBOL PARAMETER LOCK-TO-DISC MODE CONDITIONS UNIT MIN. MAX. MIN. MAX.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) tr handbook, full pagewidth SAA7327 t CH tf V DD – 0.8 V t suCR RAB 0.8 V t CH tf t CL tr VDD – 0.8 V SCL 0.8 V t CL t dWZ t hD t suD V DD – 0.8 V SDA (microcontroller) high-impedance 0.8 V MBG405 Fig.35 4-wire bus microcontroller timing; write mode (decoder registers 0 to F). handbook, full pagewidth VDD − 0.8 V SILD 0.8 V t hCLR t sCLR VDD − 0.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth SAA7327 VDD - 0.8 V SILD 0.8 V tsCL tL tH tdPLP VDD – 0.8 V SCL 0.8 V thCL tL tsD tdWZ thD VDD – 0.8 V SDA (microcontroller) 0.8 V MBG416 Fig.37 4-wire bus microcontroller timing; write mode (servo commands).
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Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 14 PACKAGE OUTLINE QFP64: plastic quad flat package; 64 leads (lead length 1.6 mm); body 14 x 14 x 2.7 mm SOT393-1 c y X A 48 33 49 32 ZE e E HE A A2 (A 3) A1 θ wM Lp bp pin 1 index L 17 64 detail X 16 1 w M bp e v M A ZD D B HD v M B 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) If wave soldering is used the following conditions must be observed for optimal results: 15 SOLDERING 15.1 Introduction to soldering surface mount packages • Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave. This text gives a very brief insight to a complex technology.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 15.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 16 DATA SHEET STATUS DATA SHEET STATUS PRODUCT STATUS DEFINITIONS (1) Objective specification Development This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice.
Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) NOTES 2000 Jun 26 67 SAA7327
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