MSP430G2231-EP_16 Datasheet, PDF (31/46 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2231-EP
www.ti.com
APPLICATION INFORMATION
Port P1 Pin Schematic: P1.0 to P1.2, Input/Output With Schmitt Trigger
To ADC10
INC Hx
ADC10AE0.y
PxDIR.y
PxSEL.y
1
Direction
0
0: Input
1: Output
PxREN.y
SLAS862 – JUNE 2012
PxOUT.y
ACLK
PxSEL.y
0
1
PxIN.y
DVSS ₀
DVCC 1
1
Bus
Keeper
EN
P1.0/TA0CLK/ACLK/A0
P1.1/TA0.0/A1
P1.2/TA0.1/A2
To Module
PxIRQ.y
PxSEL.y
PxIES.y
PxIE.y
EN
Q
Set
PxIFG.y
Interrupt
Edge
Select
PIN NAME (P1.x)
P1.0/
TA0CLK/
ACLK/
A0
P1.1/
TA0.0/
A1
Table 14. Port P1 (P1.0 to P1.2) Pin Functions
x
P1.x (I/O)
TA0.TACLK
0
ACLK
A0
P1.x (I/O)
TA0.0
1
TA0.CCI0A
A1
FUNCTION
CONTROL BITS / SIGNALS
P1DIR.x
P1SEL.x
ADC10AE.x
(INCH.y = 1)
I: 0; O: 1
0
0
0
1
0
1
1
0
X
X
1 (y = 0)
I: 0; O: 1
0
0
1
1
0
0
1
0
X
X
1 (y = 1)
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