Datasheet
Table Of Contents
- features
- description
- DEVELOPMENT TOOL SUPPORT
- pin designation, MSP430x4351IPN, MSP430x4361IPN, MSP430x4371IPN
- pin designation, MSP430x435IPZ, MSP430x436IPZ, MSP430x4371IPZ
- pin designation, MSP430x435IPN, MSP430x436IPN, MSP430x437IPN
- pin designation, MSP430x435IPZ, MSP430x436IPZ, MSP430x437IPZ
- pin designation, MSP430x4481IPZ, MSP430x4491IPZ
- pin designation, MSP430x447IPZ, MSP430x448IPZ, MSP430x449IPZ
- MSP430x43x1 functional block diagram
- MSP430x43x functional block diagram
- MSP430x44x1 functional block diagram
- MSP430x44x functional block diagram
- MSP430x43x1 Terminal Functions
- MSP430x43x Terminal Functions
- MSP430x44x1 Terminal Functions
- MSP430x44x Terminal Functions
- short-form description
- CPU
- instruction set
- operating modes
- interrupt vector addresses
- special function registers
- interrupt enable 1 and 2
- interrupt flag register 1 and 2
- module enable registers 1 and 2
- memory organization
- bootstrap loader (BSL)
- flash memory
- peripherals
- digital I/O
- oscillator and system clock
- brownout, supply voltage supervisor (SVS)
- hardware multiplier (MSP430x44x(1) only)
- watchdog timer (WDT)
- USART0
- USART1 (MSP430x44x(1) only)
- Timer_A3
- Timer_B3 (MSP430x43x(1) only)
- Timer_B7 (MSP430x44x(1) only)
- Comparator_A
- ADC12 (not implemented in MSP430x43x1 and MSP430x44x1)
- Basic Timer1
- LCD driver
- peripheral file map
- absolute maximum ratings
- recommended operating conditions
- electrical characteristics
- supply current into AVCC + DVCC excluding external current
- Schmitt-trigger inputs - ports P1, P2, P3, P4, P5, P6
- standard inputs - RST/NMI, JTAG (TCK, TMS, TDI/TCLK)
- inputs Px.x, TAx, TBx
- leakage current
- outputs - ports P1, P2, P3, P4, P5, P6
- output frequency
- wake-up LPM3
- RAM
- LCD
- Comparator_A
- POR/brownout reset (BOR)
- supply voltage supervisor/monitor (SVS)
- DCO
- crystal oscillator, LFXT1 oscillator
- crystal oscillator, XT2 oscillator
- USART0, USART1
- 12-bit ADC, power supply and input range conditions
- 12-bit ADC, external reference
- 12-bit ADC, built-in reference
- 12-bit ADC, timing parameters
- 12-bit ADC, linearity parameters
- 12-bit ADC, temperature sensor and built-in VMID
- flash memory
- JTAG interface
- JTAG fuse
- APPLICATION INFORMATION
- input/output schematics
- port P1, P1.0 to P1.5, input/output with Schmitt trigger
- port P1, P1.6, P1.7, input/output with Schmitt trigger
- port P2, P2.0, P2.4 to P2.5, input/output with Schmitt trigger
- port P2, P2.1 to P2.3, input/output with Schmitt trigger
- port P2, P2.6 to P2.7, input/output with Schmitt trigger
- port P3, P3.0 to P3.3, input/output with Schmitt trigger
- port P3, P3.4 to P3.7, input/output with Schmitt trigger
- port P4, P4.0 to P4.7, input/output with Schmitt trigger
- port P5, P5.0 to P5.1, input/output with Schmitt trigger
- port P5, P5.2 to P5.4, input/output with Schmitt trigger
- port P5, P5.5 to P5.7, input/output with Schmitt trigger
- port P6, P6.0 to P6.6, input/output with Schmitt trigger
- port P6, P6.0 to P6.6, input/output with Schmitt trigger
- port P6, P6.7, input/output with Schmitt trigger
- JTAG pins TMS, TCK, TDI/TCLK, TDO/TDI, input/output with Schmitt trigger or output
- JTAG fuse check mode
- input/output schematics
- Data Sheet Revision History

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MSP430x44x1 Terminal Functions (Continued)
TERMINAL
PN
I/O DESCRIPTION
NAME NO.
S29 41 O LCD segment output 29
S30 42 O LCD segment output 30
S31 43 O LCD segment output 31
S32 44 O LCD segment output 32
S33 45 O LCD segment output 33
P4.7/S34 46 I/O General-purpose digital I/O / LCD segment output 34
P4.6/S35 47 I/O General-purpose digital I/O / LCD segment output 35
P4.5/UCLK1/S36 48 I/O
General-purpose digital I/O / external clock input—USART1/UART or SPI mode, clock
output—USART1/SPI MODE / LCD segment output 36
P4.4/SOMI1/S37 49 I/O General-purpose digital I/O / slave out/master in of USART1/SPI mode / LCD segment output 37
P4.3/SIMO1/S38 50 I/O General-purpose digital I/O / slave in/master out of USART1/SPI mode / LCD segment output 38
P4.2/STE1/S39 51 I/O General-purpose digital I/O / slave transmit enable—USART1/SPI mode / LCD segment output 39
COM0 52 O COM0−3 are used for LCD backplanes.
P5.2/COM1 53 I/O General-purpose digital I/O / common output, COM0−3 are used for LCD backplanes.
P5.3/COM2 54 I/O General-purpose digital I/O / common output, COM0−3 are used for LCD backplanes.
P5.4/COM3 55 I/O General-purpose digital I/O / common output, COM0−3 are used for LCD backplanes.
R03 56 I Input port of fourth positive (lowest) analog LCD level (V5)
P5.5/R13 57 I/O General-purpose digital I/O / Input port of third most positive analog LCD level (V4 or V3)
P5.6/R23 58 I/O General-purpose digital I/O / Input port of second most positive analog LCD level (V2)
P5.7/R33 59 I/O General-purpose digital I/O / Output port of most positive analog LCD level (V1)
DV
CC2
60 Digital supply voltage, positive terminal.
DV
SS2
61 Digital supply voltage, negative terminal.
P4.1/URXD1 62 I/O General-purpose digital I/O / receive data in—USART1/UART mode
P4.0/UTXD1 63 I/O General-purpose digital I/O / transmit data out—USART1/UART mode
P3.7/TB6 64 I/O General-purpose digital I/O / Timer_B7 CCR6 / Capture: CCI6A/CCI6B input, compare: Out6 output
P3.6/TB5 65 I/O General-purpose digital I/O / Timer_B7 CCR5 / Capture: CCI5A/CCI5B input, compare: Out5 output
P3.5/TB4 66 I/O General-purpose digital I/O / Timer_B7 CCR4 / Capture: CCI4A/CCI4B input, compare: Out4 output
P3.4/TB3 67 I/O General-purpose digital I/O / Timer_B7 CCR3 / Capture: CCI3A/CCI3B input, compare: Out3 output
P3.3/UCLK0 68 I/O
General-purpose digital I/O / external clock input—USART0/UART or SPI mode, clock
output—USART0/SPI mode
P3.2/SOMI0 69 I/O General-purpose digital I/O / slave out/master in of USART0/SPI mode
P3.1/SIMO0 70 I/O General-purpose digital I/O / slave in/master out of USART0/SPI mode
P3.0/STE0 71 I/O General-purpose digital I/O / slave transmit enable—USART0/SPI mode
P2.7 72 I/O General-purpose digital I/O
P2.6/CAOUT 73 I/O General-purpose digital I/O / Comparator_A output
P2.5/URXD0 74 I/O General-purpose digital I/O / receive data in—USART0/UART mode
P2.4/UTXD0 75 I/O General-purpose digital I/O / transmit data out—USART0/UART mode
P2.3/TB2 76 I/O General-purpose digital I/O / Timer_B7 CCR2. Capture: CCI2A/CCI2B input, compare: Out2 output
P2.2/TB1 77 I/O General-purpose digital I/O / Timer_B7 CCR1. Capture: CCI1A/CCI1B input, compare: Out1 output
P2.1/TB0 78 I/O General-purpose digital I/O / Timer_B7 CCR0. Capture: CCI0A/CCI0B input, compare: Out0 output
P2.0/TA2 79 I/O General-purpose digital I/O / Timer_A Capture: CCI2A input, compare: Out2 output
P1.7/CA1 80 I/O General-purpose digital I/O / Comparator_A input