SLAS787 datasheet(38/52 Pages) TI2

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Bus

Keeper

P1.7/SDI/SDA/A7/TDO/TDI

To Module

From USI

PxOUT.y

PxIN.y

PxREN.y

PxIRQ.y

PxIE.y

Set

Interrupt

Edge

Select

PxSEL.y

PxIES.y

PxIFG.y

Direction

0: Input

1: Output

PxDIR.y

USIPE7

From JTAG

To JTAG

INCHx

To ADC10

ADC10AE0.y

from USI

PxSEL.y

PxSEL.y or

USIPE7

PxSEL.y

From JTAG

To JTAG

USI in I2C mode: Output driver drives low level only. Driver is disabled in JTAG mode.

MSP430G2231-Q1

SLAS787B – NOVEMBER 2011 – REVISED MARCH 2014

www.ti.com

10.6 Port P1 Pin Schematic: P1.7, Input/Output With Schmitt Trigger

Table 18. Port P1 (P1.7) Pin Functions

CONTROL BITS OR SIGNALS

PIN NAME (P1.x)

FUNCTION

ADC10AE.x

JTAG

P1DIR.x

P1SEL.x

USIP.x

(INCH.x = 1)

Mode

P1.7/

P1.x (I/O)

I: 0; O: 1

A7/

1 (y = 7)

SDI/SDO

TDO/TDI

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SLAS787 Datasheet(PDF) 38 Page - Texas Instruments

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