MSP430G2X31 Datasheet, PDF (36/52 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x31
MSP430G2x21
SLAS694C – FEBRUARY 2010 – REVISED JULY 2010
Port P1 Pin Schematic: P1.7, Input/Output With Schmitt Trigger -- MSP430G2x21
USIPE7
PxDIR.y
From USI
1
Direction
0
0: Input
1: Output
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PxREN.y
PxSEL.y or
US IP E7
PxOUT.y
0
From USI
1
PxIN.y
PxSEL.y
DV_SS
0
DV_CC
1
1
P1.7/SDI/SDA/TDO/TDI
To Module
PxIRQ.y
PxSEL.y
PxIES.y
From JTAG
To JTAG
From JTAG
To JTAG
PxIE.y
EN
Q
Set
PxIFG.y
Interrupt
Edge
Select
Table 17. Port P1 (P1.7) Pin Functions -- MSP430G2x21
PIN NAME (P(1.x)
x
FUNCTION
CONTROL BITS / SIGNALS
P1.7/
SDI/SDO
TDO/TDI
P1.x (I/O)
7 SDI/SDO
TDO/TDI
I: 0; O: 1
0
0
0
0
x
x
1
0
0
x
x
0
0
1
36
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