MF5438AMEP datasheet(85/100 Pages) TI2

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P7SEL.x

P7DIR.x

P7IN.x

Module X IN

Module X OUT

P7OUT.x

P7REN.x

Pad Logic

P7DS.x

0: Low drive

1: High drive

Bus

Keeper

To ADC12

P7.4/A12

P7.5/A13

P7.6/A14

P7.7/A15

INCHx = y

MSP430F5438A-EP

www.ti.com

SLAS967A – JANUARY 2014 – REVISED JANUARY 2014

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)

FUNCTION

P7DIR.x

P7SEL.x

INCHx

P7.4/A12

P7.4 (I/O)

I: 0; O: 1

A12(2) (3)

P7.5/A13

P7.5 (I/O)

I: 0; O: 1

A13(4) (5)

P7.6/A14

P7.6 (I/O)

I: 0; O: 1

A14(4) (5)

P7.7/A15

P7.7 (I/O)

I: 0; O: 1

A15(4) (5)

(1)

X = Don't care

(2)

Setting the P7SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying

analog signals.

(3)

The ADC12_A channel Ax is connected internally to AVSS if not selected via the respective INCHx bits.

(4)

Setting the P7SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying

analog signals.

(5)

The ADC12_A channel Ax is connected internally to AVSS if not selected via the respective INCHx bits.

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