MSP430G22X0 Datasheet, PDF (38/44 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G22x0
SLAS753D – JANUARY 2012 – REVISED AUGUST 2012
To ADC10
INC Hx
ADC10AE0.y
PxDIR.y
from USI
PxREN.y
USIPE7
1
Direction
0
0: Input
1: Output
PxSEL.y
PxSEL.y or
US IP E7
PxOUT.y
From USI
PxIN.y
0
1
PxSEL.y
www.ti.com
DV_SS
0
DV_CC
1
1
Bus
Keeper
EN
P1.7/S DI/SDA/A7
To Module
PxIRQ.y
PxIE.y
EN
Q
Set
PxIFG.y
PxSEL.y
PxIES.y
Interrupt
Edge
Select
USI in I2C mode: Output driver drives low level only.
Figure 27.
PIN NAME
(P1.x)
Table 19. Port P1 (P1.6 and P1.7) Pin Functions - MSP430G2230
x
FUNCTION
P1DIR.x
CONTROL BITS AND SIGNALS⁽¹⁾
P1SEL.x
USIP.x
P1.6/
TA0.1/
SDO/
SCL/
A6
P1.7/
SDI/
SDA/
A7
P1.x (I/O)
TA0.CCI1A
TA0.1
6
SPI Mode
I2C Mode
A6
P1.x (I/O)
SDI
7
SDA
A7
I: 0; O: 1
0
0
0
1
0
1
1
0
from USI
1
1
from USI
1
1
X
X
0
I: 0; O: 1
0
0
X
1
1
X
1
1
X
X
0
(1) X = don't care
ADC10AE.x
(INCH.y = 1)
0
0
0
0
0
1 (y = 6)
0
0
0
1 (y = 7)
38
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