151
SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Detailed Description
Copyright © 2015–2017, Texas Instruments Incorporated
(1)
X = don't care
(2)
Not available on the 64-pin RGC package.
(3)
Setting P4SEL1.x and P4SEL0.x disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals.
Table 6-70. Port P4 (P4.0 to P4.7) Pin Functions
PIN NAME (P4.x)
x
FUNCTION
CONTROL BITS OR SIGNALS
(1)
P4DIR.x
P4SEL1.x
P4SEL0.x
P4.0/A13
(2)
0
P4.0 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
DVSS
1
N/A
0
1
0
DVSS
1
A13
(3)
X
1
1
P4.1/A12
(2)
1
P4.1 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
DVSS
1
N/A
0
1
0
DVSS
1
A12
(3)
X
1
1
P4.2/ACLK/TA2CLK/A11
2
P4.2 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
ACLK
1
TA2CLK
0
1
0
DVSS
1
A11
(3)
X
1
1
P4.3/MCLK/RTCCLK/A10
3
P4.3 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
MCLK
1
N/A
0
1
0
RTCCLK
1
A10
(3)
X
1
1
P4.4/HSMCLK/SVMHOUT/
A9
4
P4.4 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
HSMCLK
1
N/A
0
1
0
SVMHOUT
1
A9
(3)
X
1
1
P4.5/A8
5
P4.5 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
DVSS
1
N/A
0
1
0
DVSS
1
A8
(3)
X
1
1
P4.6/A7
6
P4.6 (I/O)
I: 0; O: 1
0
0
N/A
0
0
1
DVSS
1
N/A
0
1
0
DVSS
1
A7
(3)
X
1
1