MSP430G2231-EP_16 Datasheet, PDF (37/46 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

www.ti.com
Port P1 Pin Schematic: P1.7, Input/Output With Schmitt Trigger
To ADC10
INC Hx
ADC10AE0.y
PxDIR.y
from USI
PxREN.y
USIPE7
1
Direction
0
0: Input
1: Output
PxSEL.y
PxOUT.y
From USI
PxIN.y
PxSEL.y or
US IP E7
0
1
PxSEL.y
DV_SS
0
DV_CC
1
1
Bus
Keeper
EN
MSP430G2231-EP
SLAS862 – JUNE 2012
P1.7/S DI/SDA/A7/TDO/TDI
To Module
PxIRQ.y
PxSEL.y
PxIES.y
From JTAG
To JTAG
From JTAG
To JTAG
PxIE.y
EN
Q
Set
PxIFG.y
Interrupt
Edge
Select
USI in I2C mode: Output driver drives low level only. Driver is disabled in JTAG mode.
PIN NAME (P1.x)
P1.7/
A7/
SDI/SDO
TDO/TDI
Table 19. Port P1 (P1.7) Pin Functions
x
FUNCTION
P1.x (I/O)
A7
7
SDI/SDO
TDO/TDI
P1DIR.x
I: 0; O: 1
X
X
X
CONTROL BITS / SIGNALS
P1SEL.x
USIP.x
ADC10AE.x
(INCH.x = 1)
0
0
0
X
0
1 (y = 7)
X
1
0
X
0
0
JTAG
Mode
0
0
0
1
Copyright © 2012, Texas Instruments Incorporated
Submit Documentation Feedback
37