MSP430F663x
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SLAS566C –JUNE 2010–REVISED AUGUST 2012
Table 3. Terminal Functions (continued)
TERMINAL
NAME
NO.
PZ ZQW
I/O(1)
DESCRIPTION
AVSS3
83
A8
Analog ground supply
General-purpose digital I/O
P7.2/XT2IN
84
B8
I/O
I/O
Input terminal for crystal oscillator XT2
General-purpose digital I/O
P7.3/XT2OUT
85
B7
Output terminal of crystal oscillator XT2
Capacitor for backup subsystem. Do not load this pin externally. For capacitor
values, see CBAK in Recommended Operating Conditions.
VBAK
VBAT
86
87
A7
D8
Backup or secondary supply voltage. If backup voltage is not supplied, connect to
DVCC externally.
General-purpose digital I/O
RTCCLK output
P5.7/RTCCLK
88
D7
I/O
DVCC3
DVSS3
89
90
A6
A5
Digital power supply
Digital ground supply
Test mode pin; selects digital I/O on JTAG pins
Spy-bi-wire input clock
TEST/SBWTCK
PJ.0/TDO
91
92
93
94
95
B6
B5
A4
E7
D6
I
General-purpose digital I/O
Test data output port
I/O
I/O
I/O
I/O
General-purpose digital I/O
PJ.1/TDI/TCLK
PJ.2/TMS
Test data input or test clock input
General-purpose digital I/O
Test mode select
General-purpose digital I/O
Test clock
PJ.3/TCK
Reset input (active low)
RST/NMI/SBWTDIO
P6.0/CB0/A0
96
97
A3
B4
B3
A2
D5
I/O
I/O
I/O
I/O
I/O
Non-maskable interrupt input
Spy-bi-wire data input/output
General-purpose digital I/O
Comparator_B input CB0
Analog input A0 – ADC (not available on F6632, F6631, F6630 devices)
General-purpose digital I/O
P6.1/CB1/A1
98
Comparator_B input CB1
Analog input A1 – ADC (not available on F6632, F6631, F6630 devices)
General-purpose digital I/O
P6.2/CB2/A2
99
Comparator_B input CB2
Analog input A2 – ADC (not available on F6632, F6631, F6630 devices)
General-purpose digital I/O
P6.3/CB3/A3
100
Comparator_B input CB3
Analog input A3 – ADC (not available on F6632, F6631, F6630 devices)
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