MSP430FR6889 Datasheet, PDF (110/176 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FR6889, MSP430FR68891, MSP430FR6888, MSP430FR6887
MSP430FR5889, MSP430FR58891, MSP430FR5888, MSP430FR5887
SLASE32A – AUGUST 2014 – REVISED MARCH 2015
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6.11.23.13 Port P8, P8.0 to P8.3, Input/Output With Schmitt Trigger
Pin Schematic: see Figure 6-1.
Table 6-32. Port P8 (P8.0 to P8.3) Pin Functions
PIN NAME (P8.x)
P8.0/RTCCLK/Sz
x
FUNCTION
0 P8.0 (I/O)
N/A
Internally tied to DVSS
N/A
Internally tied to DVSS
N/A
RTCCLK
Sz ⁽²⁾
CONTROL BITS AND SIGNALS ⁽¹⁾
P8DIR.x P8SEL1.x P8SEL0.x LCDSz
I: 0; O: 1
0
0
0
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P8.1/DMAE0/Sz
1 P8.1 (I/O)
N/A
Internally tied to DVSS
N/A
Internally tied to DVSS
DMA0E
Internally tied to DVSS
Sz ⁽²⁾
I: 0; O: 1
0
0
0
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P8.2/Sz
2 P8.2 (I/O)
N/A
Internally tied to DVSS
N/A
Internally tied to DVSS
N/A
Internally tied to DVSS
Sz ⁽²⁾
I: 0; O: 1
0
0
0
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P8.3/MCLK/Sz
3 P8.3 (I/O)
I: 0; O: 1
0
0
0
N/A
Internally tied to DVSS
0
0
1
0
1
N/A
Internally tied to DVSS
0
1
0
0
1
N/A
MCLK
Sz ⁽²⁾
0
1
1
0
1
X
X
X
1
(1) X = Don't care
(2) The associated LCD segment is package dependent. See the Signal Descriptions tables and Pin Diagrams figures.
110 Detailed Description
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