Datasheet

Bus
Keeper
EN
P1.7/SDI/SDA/A7
To Module
From US I
PxOUT.y
DV
SS
DV
CC
1
1
0
PxIN.y
PxREN.y
1
0
PxIRQ.y
PxIE.y
EN
Set
Q
Interrupt
Edge
Select
PxSEL.y
PxIES.y
PxIFG.y
Direction
0: Input
1: Output
PxDIR.y
USIPE7
0
1
INCHx
To ADC10
ADC10AE0.y
from USI
PxSEL.y
PxSEL.y or
USIPE7
PxSEL.y
USI in I2C mode: Output driver drives low level only.
MSP430G22x0
SLAS753E –JANUARY 2012–REVISED FEBRUARY 2013 www.ti.com
Figure 27.
Table 19. Port P1 (P1.6 and P1.7) Pin Functions - MSP430G2230
CONTROL BITS AND SIGNALS
(1)
PIN NAME
x FUNCTION
ADC10AE.x
(P1.x)
P1DIR.x P1SEL.x USIP.x
(INCH.y = 1)
P1.6/ P1.x (I/O) I: 0; O: 1 0 0 0
TA0.1/ TA0.CCI1A 0 1 0 0
TA0.1 1 1 0 0
6
SDO/ SPI Mode from USI 1 1 0
SCL/ I2C Mode from USI 1 1 0
A6 A6 X X 0 1 (y = 6)
P1.7/ P1.x (I/O) I: 0; O: 1 0 0 0
SDI/ SDI X 1 1 0
7
SDA/ SDA X 1 1 0
A7 A7 X X 0 1 (y = 7)
(1) X = don't care
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