Datasheet

MSP430FW429, MSP430FW428
MSP430FW427, MSP430FW425, MSP430FW423
SLAS383E –OCTOBER 2003–REVISED DECEMBER 2013 www.ti.com
Table 1. Terminal Functions
TERMINAL
I/O DESCRIPTION
NAME NO.
AV
CC
64 Analog supply voltage, positive terminal. Supplies SVS, brownout, oscillator, comparator_A,
scan IF AFE, port 6, and LCD resistive divider circuitry; must not power up prior to DV
CC
.
AV
SS
62 Analog supply voltage, negative terminal. Supplies SVS, brownout, oscillator, comparator_A,
scan IF AFE. and port 6. Must be externally connected to DV
SS
. Internally connected to DV
SS
.
DV
CC
1 Digital supply voltage, positive terminal.
DV
SS
63 Digital supply voltage, negative terminal.
SIFVSS 10 Scan IF AFE reference supply voltage.
P1.0/TA0.0 53 I/O General-purpose digital I/O
Timer0_A. Capture: CCI0A input, compare: Out0 output
BSL transmit
P1.1/TA0.0/MCLK 52 I/O General-purpose digital I/O
Timer0_A. Capture: CCI0B input
MCLK output
BSL receive
Note: TA0.0 is only an input on this pin.
P1.2/TA0.1 51 I/O General-purpose digital I/O
Timer0_A, capture: CCI1A input, compare: Out1 output
P1.3/TA1.0/SVSOUT 50 I/O General-purpose digital I/O
Timer1_A, capture: CCI0B input
SVS: output of SVS comparator
Note: TA1.0 is only an input on this pin.
P1.4/TA1.0 49 I/O General-purpose digital I/O
Timer1_A, capture: CCI0A input, compare: Out0 output
P1.5/TA0CLK/ACLK 48 I/O General-purpose digital I/O
Input of Timer0_A clock
Output of ACLK
P1.6/CA0 47 I/O General-purpose digital I/O
Comparator_A input
P1.7/CA1 46 I/O General-purpose digital I/O
Comparator_A input
P2.0/TA0.2 45 I/O General-purpose digital I/O
Timer0_A, capture: CCI2A input, compare: Out2 output
P2.1/TA1.1 44 I/O General-purpose digital I/O
Timer0_A, capture: CCI1A input, compare: Out1 output
P2.2/TA1.2/S23 35 I/O General-purpose digital I/O
Timer1_A, capture: CCI2A input, compare: Out2 output
LCD segment output 23
(1)
P2.3/TA1.3/S22 34 I/O General-purpose digital I/O
Timer1_A, capture: CCI3A input, compare: Out3 output
LCD segment output 22
(1)
P2.4/TA1.4/S21 33 I/O General-purpose digital I/O
Timer1_A, capture: CCI4A input, compare: Out4 output
LCD segment output 21
(1)
P2.5/TA1CLK/S20 32 I/O General-purpose digital I/O
Iinput of Timer1_A clock
LCD segment output 20
(1)
P2.6/CAOUT/S19 31 I/O General-purpose digital I/O
Comparator_A output
LCD segment output 19
(1)
P2.7/SIFCLKG/S18 30 I/O General-purpose digital I/O
Scan IF, signal SIFCLKG from internal clock generator
LCD segment output 18
(1)
P3.0/S17 29 I/O General-purpose digital I/O
LCD segment output 17
(1)
P3.1/S16 28 I/O General-purpose digital I/O
LCD segment output 16
(1)
(1) LCD function selected automatically when applicable LCD module control bits are set, not with PxSEL bits.
4 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated
Product Folder Links: MSP430FW429 MSP430FW428 MSP430FW427 MSP430FW425 MSP430FW423