MSP430G2744, MSP430G2544, MSP430G2444
SLAS892C – MARCH 2013 – REVISED SEPTEMBER 2014
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4.2
Signal Descriptions
Table 4-1
describes the signals for all device variants and package options.
Table 4-1. Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
YFF
DA
N
RHA
General-purpose digital I/O pin
P1.0/TACLK/ADC10CLK
F2
31
33
29
I/O
Timer_A, clock signal TACLK input
ADC10, conversion clock
General-purpose digital I/O pin
P1.1/TA0
G2
32
34
30
I/O
Timer_A, capture: CCI0A input, compare: OUT0 output; BSL transmit
General-purpose digital I/O pin
P1.2/TA1
E2
33
35
31
I/O
Timer_A, capture: CCI1A input, compare: OUT1 output
General-purpose digital I/O pin
P1.3/TA2
G1
34
36
32
I/O
Timer_A, capture: CCI2A input, compare: OUT2 output
General-purpose digital I/O pin
P1.4/SMCLK/TCK
F1
35
37
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
38
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
39
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
40
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
10
6
I/O
ACLK output
ADC10, analog input A0
General-purpose digital I/O pin
P2.1/TAINCLK/
B4
9
11
7
I/O
Timer_A, clock signal at INCLK, SMCLK signal output
SMCLK/A1
ADC10, analog input A1
General-purpose digital I/O pin
P2.2/TA0/A2
A5
10
12
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
31
27
I/O
ADC10, analog input A3
Negative reference voltage output/input
General-purpose digital I/O pin
Timer_A, compare: OUT2 output
P2.4/TA2/A4/
G3
30
32
28
I/O
V
REF+
/V
eREF+
ADC10, analog input A4
Positive reference voltage output/input
General-purpose digital I/O pin
P2.5/R
OSC
C2
3
4
40
I/O
Input for external DCO resistor to define DCO frequency
(1)
TDO or TDI is selected via JTAG instruction.
10
Terminal Configuration and Functions
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