Datasheet
MSP430F6638, MSP430F6637, MSP430F6636
MSP430F6635, MSP430F6634, MSP430F6633
MSP430F6632, MSP430F6631, MSP430F6630
www.ti.com
SLAS566D –JUNE 2010–REVISED AUGUST 2013
Table 2. Terminal Functions (continued)
TERMINAL
NO. I/O
(1)
DESCRIPTION
NAME
PZ ZQW
General-purpose digital I/O
P8.3/UCA1RXD/UCA1SOMI/S12 61 H12 I/O
USCI_A1 UART receive data; USCI_A1 SPI slave out/master in
LCD segment output S12
General-purpose digital I/O
P8.4/UCB1CLK/UCA1STE/S11 62 G11 I/O
USCI_B1 clock input/output; USCI_A1 SPI slave transmit enable
LCD segment output S11
DVSS2 63 G12 Digital ground supply
DVCC2 64 F12 Digital power supply
General-purpose digital I/O
P8.5/UCB1SIMO/UCB1SDA/S10 65 F11 I/O
USCI_B1 SPI slave in/master out; USCI_B1 I2C data
LCD segment output S10
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 USB PHY ground supply
B12
General-purpose digital I/O - controlled by USB control register
PU.0/DP 77 A12 I/O
USB data terminal DP
USB pullup resistor pin (open drain). The voltage level at the PUR pin is used to
PUR 78 B10 I/O invoke the default USB BSL. Recommended 1-MΩ resistor to ground. See USB
BSL for more information.
General-purpose digital I/O - controlled by USB control register
PU.1/DM 79 A11 I/O
USB data terminal DM
VBUS 80 A10 USB LDO input (connect to USB power source)
VUSB 81 A9 USB LDO output
V18 82 B9 USB regulated power (internal use only, no external current loading)
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Links: MSP430F6638 MSP430F6637 MSP430F6636 MSP430F6635 MSP430F6634 MSP430F6633
MSP430F6632 MSP430F6631 MSP430F6630