Datasheet

P7SEL.x
1
0
P7DIR.x
P7IN.x
EN
Module X IN
1
0
Module X OUT
P7OUT.x
1
0
DV
SS
DV
CC
P7REN.x
Pad Logic
1
P7DS.x
0: Low drive
1: High drive
D
Bus
Keeper
To ADC12
P7.4/A12
P7.5/A13
P7.6/A14
P7.7/A15
INCHx = y
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www.ti.com SLAS655D –JANUARY 2010–REVISED AUGUST 2013
Port P7, P7.4 to P7.7, Input/Output With Schmitt Trigger
Table 54. Port P7 (P7.4 to P7.7) Pin Functions
CONTROL BITS/SIGNALS
(1)
PIN NAME (P7.x) x FUNCTION
P7DIR.x P7SEL.x INCHx
P7.4/A12 4 P7.4 (I/O) I: 0; O: 1 0 X
A12
(2) (3)
X X 12
P7.5/A13 5 P7.5 (I/O) I: 0; O: 1 0 X
A13
(4) (5)
X X 13
P7.6/A14 6 P7.6 (I/O) I: 0; O: 1 0 X
A14
(4) (5)
X X 14
P7.7/A15 7 P7.7 (I/O) I: 0; O: 1 0 X
A15
(4) (5)
X X 15
(1) X = Don't care
(2) Setting the P7SEL.x bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals.
(3) The ADC12_A channel Ax is connected internally to AV
SS
if not selected via the respective INCHx bits.
(4) Setting the P7SEL.x bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals.
(5) The ADC12_A channel Ax is connected internally to AV
SS
if not selected via the respective INCHx bits.
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