MSP430G2X21 Datasheet, PDF (44/61 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x21, MSP430G2x31
MIXED SIGNAL MICROCONTROLLER
SLAS694B -- FEBRUARY 2010 -- REVISED MAY 2010
Port P1 pin schematic: P1.4, input/output with Schmitt trigger -- MSP430G2x31
To ADC10 VREF+
To ADC10
INCHx = y
ADC10AE0.y
PxDIR.y
PxREN.y
PxSEL.y
1
Direction
0
0: Input
1: Output
PxOUT.y
ACLK
PxSEL.y
0
1
PxIN.y
DV_SS
0
DV _CC
1
1
Bus
Keeper
EN
P1.4/SMCLK/A4/VREF+/VEREF+/TCK
To Module
PxIRQ.y
PxSEL.y
PxIES.y
From JTAG
To JTAG
PxIE.y
EN
Q
Set
PxIFG.y
Interrupt
Edge
Select
44
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