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.
8
Copyright © 2006–2012, Texas Instruments Incorporated