Datasheet

MSP430F22x2
MSP430F22x4
SLAS504G –JULY 2006–REVISED AUGUST 2012 www.ti.com
Table 3. Terminal Functions, MSP430F22x2
TERMINAL
NO. I/O DESCRIPTION
NAME
YFF DA RHA
General-purpose digital I/O pin
P1.0/TACLK/ADC10CLK F2 31 29 I/O Timer_A, clock signal TACLK input
ADC10, conversion clock
General-purpose digital I/O pin
P1.1/TA0 G2 32 30 I/O Timer_A, capture: CCI0A input, compare: OUT0 output
BSL transmit
General-purpose digital I/O pin
P1.2/TA1 E2 33 31 I/O
Timer_A, capture: CCI1A input, compare: OUT1 output
General-purpose digital I/O pin
P1.3/TA2 G1 34 32 I/O
Timer_A, capture: CCI2A input, compare: OUT2 output
General-purpose digital I/O pin
P1.4/SMCLK/TCK F1 35 33 I/O SMCLK signal output
Test Clock input for device programming and test
General-purpose digital I/O pin
P1.5/TA0/TMS E1 36 34 I/O Timer_A, compare: OUT0 output
Test Mode Select input for device programming and test
General-purpose digital I/O pin
P1.6/TA1/TDI/TCLK E3 37 35 I/O Timer_A, compare: OUT1 output
Test Data Input or Test Clock Input for programming and test
General-purpose digital I/O pin
P1.7/TA2/TDO/TDI
(1)
D2 38 36 I/O Timer_A, compare: OUT2 output
Test Data Output or Test Data Input for programming and test
General-purpose digital I/O pin
P2.0/ACLK/A0 A4 8 6 I/O ACLK output
ADC10, analog input A0
General-purpose digital I/O pin
Timer_A, clock signal at INCLK
P2.1/TAINCLK/SMCLK/A1 B4 9 7 I/O
SMCLK signal output
ADC10, analog input A1
General-purpose digital I/O pin
P2.2/TA0/A2 A5 10 8 I/O Timer_A, capture: CCI0B input/BSL receive, compare: OUT0 output
ADC10, analog input A2
General-purpose digital I/O pin
Timer_A, capture CCI1B input, compare: OUT1 output
P2.3/TA1/A3/V
REF-
/ V
eREF-
F3 29 27 I/O
ADC10, analog input A3
Negative reference voltage input
General-purpose digital I/O pin
Timer_A, compare: OUT2 output
P2.4/TA2/A4/V
REF+
/ V
eREF+
G3 30 28 I/O
ADC10, analog input A4
Positive reference voltage output or input
General-purpose digital I/O pin
P2.5/R
OSC
C2 3 40 I/O
Input for external DCO resistor to define DCO frequency
Input terminal of crystal oscillator
XIN/P2.6 A2 6 3 I/O
General-purpose digital I/O pin
(1) TDO or TDI is selected via JTAG instruction.
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