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OAPMx
OAADCx
To OA0/1 Feedback Network
1
OAADCx = 01 and OAPMx > 00
Bus
Keeper
EN
Direction
0: Input
1: Output
P4SEL.x
1
0
P4DIR.x
P4IN.x
D
EN
Module X IN
1
0
Module X OUT
P4OUT.x
P4.3/TB0/A12/OA0O
P4.4/TB1/A13/OA1O
1
0
DVSS
DVCC
P4REN.x
ADC10AE1.y
Pad Logic
INCHx = 8+y
To ADC 10
1
OA0/1
+
−
1
P4DIR.6
P4SEL.6
ADC10AE1.7
P4.6/TBOUTH/A15/OA1I3
Timer_B Output Tristate Logic
†
MSP430F22x2
MSP430F22x4
www.ti.com
SLAS504G – JULY 2006 – REVISED AUGUST 2012
Port P4 Pin Schematic: P4.3 to P4.4, Input/Output With Schmitt Trigger
†
If OAADCx = 11 and not OAFCx = 000, the ADC input A12 or A13 is internally connected to the OA0 or OA1 output,
respectively, and the connections from the ADC and the operational amplifiers to the pad are disabled.
Copyright © 2006–2012, Texas Instruments Incorporated
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