MSP430F643 Datasheet, PDF (87/106 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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Port P5, P5.2 to P5.7, Input/Output With Schmitt Trigger
S40...S42
LCDS40...LCDS42
MSP430F643x
SLAS720B – AUGUST 2010 – REVISED AUGUST 2012
Pad Logic
P5REN.x
P5DIR.x
P5OUT.x
Module X OUT
P5SEL.x
P5IN.x
Module X IN
0
1
0
1
EN
D
Direction
0: Input
1: Output
DV_SS
0
DV_CC
1
1
P5DS.x
0: Low drive
1: High drive
Bus
Keeper
P5.2/R23
P5.3/COM1/S42
P5.4/COM2/S41
P5.5/COM3/S40
P5.6/ADC12CLK/DMAE0
P5.7/RTCCLK
PIN NAME (P5.x)
P5.2/R23
P5.3/COM1/S42
P5.4/COM2/S41
P5.5/COM3/S40
P5.6/ADC12CLK/DMAE0
P5.7/RTCCLK
(1) X = Don't care
Table 58. Port P5 (P5.2 to P5.7) Pin Functions
x
FUNCTION
CONTROL BITS/SIGNALS⁽¹⁾
P5DIR.x
P5SEL.x
LCDS40...42
2 P5.2 (I/O)
I: 0; O: 1
0
na
R23
X
1
na
3 P5.3 (I/O)
I: 0; O: 1
0
0
COM1
X
1
X
S42
X
0
1
4 P5.4 (I/O)
I: 0; O: 1
0
0
COM2
X
1
X
S41
X
0
1
5 P5.5 (I/O)
I: 0; O: 1
0
0
COM3
X
1
X
S40
X
0
1
6 P5.6 (I/O)
I: 0; O: 1
0
na
ADC12CLK
1
1
na
DMAE0
0
1
na
7 P5.7 (I/O)
I: 0; O: 1
0
na
RTCCLK
1
1
na
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