Datasheet
MSP430F6438, MSP430F6436
MSP430F6435, MSP430F6433
www.ti.com
SLAS720C –AUGUST 2010–REVISED AUGUST 2013
Table 2. Terminal Functions (continued)
TERMINAL
NO. I/O
(1)
DESCRIPTION
NAME
PZ ZQW
General-purpose digital I/O
P8.6/UCB1SOMI/UCB1SCL/S9 66 G9 I/O
USCI_B1 SPI slave out/master in; USCI_B1 I2C clock
LCD segment output S9
General-purpose digital I/O
P8.7/S8 67 E12 I/O
LCD segment output S8
General-purpose digital I/O
P9.0/S7 68 E11 I/O
LCD segment output S7
General-purpose digital I/O
P9.1/S6 69 F9 I/O
LCD segment output S6
General-purpose digital I/O
P9.2/S5 70 D12 I/O
LCD segment output S5
General-purpose digital I/O
P9.3/S4 71 D11 I/O
LCD segment output S4
General-purpose digital I/O
P9.4/S3 72 E9 I/O
LCD segment output S3
General-purpose digital I/O
P9.5/S2 73 C12 I/O
LCD segment output S2
General-purpose digital I/O
P9.6/S1 74 C11 I/O
LCD segment output S1
General-purpose digital I/O
P9.7/S0 75 D9 I/O
LCD segment output S0
B11
VSSU 76 and PU ground supply
B12
PU.0 77 A12 I/O General-purpose digital I/O - controlled by PU control register
NC 78 B10 No connect.
PU.1 79 A11 I/O General-purpose digital I/O - controlled by PU control register
LDOI 80 A10 LDO input
LDOO 81 A9 LDO output
NC 82 B9 No connect.
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
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Links: MSP430F6438 MSP430F6436 MSP430F6435 MSP430F6433