Datasheet
MSP430F6638, MSP430F6637, MSP430F6636
MSP430F6635, MSP430F6634, MSP430F6633
MSP430F6632, MSP430F6631, MSP430F6630
SLAS566D –JUNE 2010–REVISED AUGUST 2013
www.ti.com
Table 2. Terminal Functions (continued)
TERMINAL
NO. I/O
(1)
DESCRIPTION
NAME
PZ ZQW
AVSS3 83 A8 Analog ground supply
General-purpose digital I/O
P7.2/XT2IN 84 B8 I/O
Input terminal for crystal oscillator XT2
General-purpose digital I/O
P7.3/XT2OUT 85 B7 I/O
Output terminal of crystal oscillator XT2
Capacitor for backup subsystem. Do not load this pin externally. For capacitor
VBAK 86 A7
values, see C
BAK
in Recommended Operating Conditions.
Backup or secondary supply voltage. If backup voltage is not supplied, connect to
VBAT 87 D8
DVCC externally.
General-purpose digital I/O
P5.7/RTCCLK 88 D7 I/O
RTCCLK output
DVCC3 89 A6 Digital power supply
DVSS3 90 A5 Digital ground supply
Test mode pin; selects digital I/O on JTAG pins
TEST/SBWTCK 91 B6 I
Spy-bi-wire input clock
General-purpose digital I/O
PJ.0/TDO 92 B5 I/O
Test data output port
General-purpose digital I/O
PJ.1/TDI/TCLK 93 A4 I/O
Test data input or test clock input
General-purpose digital I/O
PJ.2/TMS 94 E7 I/O
Test mode select
General-purpose digital I/O
PJ.3/TCK 95 D6 I/O
Test clock
Reset input (active low)
(3)
RST/NMI/SBWTDIO 96 A3 I/O
Non-maskable interrupt input
Spy-bi-wire data input/output
General-purpose digital I/O
P6.0/CB0/A0 97 B4 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 B3 I/O
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 A2 I/O
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 D5 I/O
Comparator_B input CB3
Analog input A3 – ADC (not available on F6632, F6631, F6630 devices)
(3) When this pin is configured as reset, the intermal pullup resistor is enabled by default.
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MSP430F6632 MSP430F6631 MSP430F6630