Datasheet

MSP430G2x32
MSP430G2x02
www.ti.com SLAS723H –DECEMBER 2010–REVISED MAY 2013
TERMINAL FUNCTIONS
Table 2. Terminal Functions
TERMINAL
NO.
I/O DESCRIPTION
NAME
N14, RSA1 N20,
PW14 6 PW20
P1.0/ General-purpose digital I/O pin
TA0CLK/ Timer0_A, clock signal TACLK input
2 1 2 I/O
ACLK/ ACLK signal output
A0 ADC10 analog input A0
(1)
P1.1/ General-purpose digital I/O pin
TA0.0/ 3 2 3 I/O Timer0_A, capture: CCI0A input, compare: Out0 output
A1 ADC10 analog input A1
(1)
P1.2/ General-purpose digital I/O pin
TA0.1/ 4 3 4 I/O Timer0_A, capture: CCI1A input, compare: Out1 output
A2 ADC10 analog input A2
(1)
P1.3/ General-purpose digital I/O pin
ADC10CLK/ ADC10, conversion clock output
(1)
5 4 5 I/O
A3/ ADC10 analog input A3
(1)
VREF-/VEREF ADC10 negative reference voltage
(1)
P1.4/ General-purpose digital I/O pin
TA0.2/ Timer0_A, capture: CCI2A input, compare: Out2 output
SMCLK/ SMCLK signal output
6 5 6 I/O
A4/ ADC10 analog input A4
(1)
VREF+/VEREF+/ ADC10 positive reference voltage
(1)
TCK JTAG test clock, input terminal for device programming and test
P1.5/ General-purpose digital I/O pin
TA0.0/ Timer0_A, compare: Out0 output
A5/ 7 6 7 I/O ADC10 analog input A5
(1)
SCLK/ USI: clk input in I2C mode; clk in/output in SPI mode
TMS JTAG test mode select, input terminal for device programming and test
P1.6/ General-purpose digital I/O pin
TA0.1/ Timer0_A, compare: Out1 output
A6/ ADC10 analog input A6
(1)
SDO/ 8 7 14 I/O USI: Data output in SPI mode
SCL/ USI: I2C clock in I2C mode
TDI/ JTAG test data input or test clock input during programming and test
TCLK
P1.7/ General-purpose digital I/O pin
A7/ ADC10 analog input A7
(1)
SDI/ 9 8 15 I/O USI: Data input in SPI mode
SDA/ USI: I2C data in I2C mode
TDO/TDI
(2)
JTAG test data output terminal or test data input during programming and test
P2.0 - - 8 I/O General-purpose digital I/O pin
P2.1 - - 9 I/O General-purpose digital I/O pin
P2.2 - - 10 I/O General-purpose digital I/O pin
P2.3 - - 11 I/O General-purpose digital I/O pin
(1) Available only on MSP430G2x32 devices.
(2) TDO or TDI is selected via JTAG instruction.
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