Datasheet
SLAS272F − JULY 2000 − REVISED JUNE 2004
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Terminal Functions
MSP430x14x1
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
AV
CC
64 Analog supply voltage, positive terminal.
AV
SS
62 Analog supply voltage, negative terminal.
DV
CC
1 Digital supply voltage, positive terminal. Supplies all digital parts.
DV
SS
63 Digital supply voltage, negative terminal. Supplies all digital parts.
P1.0/TACLK 12 I/O General-purpose digital I/O pin/Timer_A, clock signal TACLK input
P1.1/TA0 13 I/O General-purpose digital I/O pin/Timer_A, capture: CCI0A input, compare: Out0 output/BSL transmit
P1.2/TA1 14 I/O General-purpose digital I/O pin/Timer_A, capture: CCI1A input, compare: Out1 output
P1.3/TA2 15 I/O General-purpose digital I/O pin/Timer_A, capture: CCI2A input, compare: Out2 output
P1.4/SMCLK 16 I/O General-purpose digital I/O pin/SMCLK signal output
P1.5/TA0 17 I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output
P1.6/TA1 18 I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output
P1.7/TA2 19 I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output
P2.0/ACLK 20 I/O General-purpose digital I/O pin/ACLK output
P2.1/TAINCLK 21 I/O General-purpose digital I/O pin/Timer_A, clock signal at INCLK
P2.2/CAOUT/TA0 22 I/O General-purpose digital I/O pin/Timer_A, capture: CCI0B input/Comparator_A output/BSL receive
P2.3/CA0/TA1 23 I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output/Comparator_A input
P2.4/CA1/TA2 24 I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output/Comparator_A input
P2.5/R
OSC
25 I/O General-purpose digital I/O pin/input for external resistor defining the DCO nominal frequency
P2.6 26 I/O General-purpose digital I/O pin
P2.7/TA0 27 I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output
P3.0/STE0 28 I/O General-purpose digital I/O pin/slave transmit enable – USART0/SPI mode
P3.1/SIMO0 29 I/O General-purpose digital I/O pin/slave in/master out of USART0/SPI mode
P3.2/SOMI0 30 I/O General-purpose digital I/O pin/slave out/master in of USART0/SPI mode
P3.3/UCLK0 31 I/O General-purpose digital I/O/USART0 clock: external input − UART or SPI mode, output – SPI mode
P3.4/UTXD0 32 I/O General-purpose digital I/O pin/transmit data out – USART0/UART mode
P3.5/URXD0 33 I/O General-purpose digital I/O pin/receive data in – USART0/UART mode
P3.6/UTXD1 34 I/O General-purpose digital I/O pin/transmit data out – USART1/UART mode
P3.7/URXD1 35 I/O General-purpose digital I/O pin/receive data in – USART1/UART mode
P4.0/TB0 36 I/O General-purpose digital I/O pin/Timer_B, capture: CCI0A or CCI0B input, compare: Out0 output
P4.1/TB1 37 I/O General-purpose digital I/O pin/Timer_B, capture: CCI1A or CCI1B input, compare: Out1 output
P4.2/TB2 38 I/O General-purpose digital I/O pin/Timer_B, capture: CCI2A or CCI2B input, compare: Out2 output
P4.3/TB3 39 I/O General-purpose digital I/O pin/Timer_B, capture: CCI3A or CCI3B input, compare: Out3 output
P4.4/TB4 40 I/O General-purpose digital I/O pin/Timer_B, capture: CCI4A or CCI4B input, compare: Out4 output
P4.5/TB5 41 I/O General-purpose digital I/O pin/Timer_B, capture: CCI5A or CCI5B input, compare: Out5 output
P4.6/TB6 42 I/O General-purpose digital I/O pin/Timer_B, capture: CCI6A or CCI6B input, compare: Out6 output
P4.7/TBCLK 43 I/O General-purpose digital I/O pin/Timer_B, clock signal TBCLK input
P5.0/STE1 44 I/O General-purpose digital I/O pin/slave transmit enable – USART1/SPI mode
P5.1/SIMO1 45 I/O General-purpose digital I/O pin/slave in/master out of USART1/SPI mode
P5.2/SOMI1 46 I/O General-purpose digital I/O pin/slave out/master in of USART1/SPI mode
P5.3/UCLK1 47 I/O General-purpose digital I/O pin/USART1 clock: external input − UART or SPI mode, output – SPI mode
P5.4/MCLK 48 I/O General-purpose digital I/O pin/main system clock MCLK output
P5.5/SMCLK 49 I/O General-purpose digital I/O pin/submain system clock SMCLK output