MSP430X47X3 Datasheet, PDF (35/46 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

port P5, P5.2 to P5.7, input/output with Schmitt-trigger
LCD Signal
MSP430x47x3, MSP430x47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545 − MAY 2007
Pad Logic
P5REN.x
P5DIR.x
0
1
P5OUT.x
0
DVSS
1
P5SEL.x
P5IN.x
Direction
0: Input
1: Output
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P5.2/COM1
P5.3/COM2
P5.4/COM3
P5.5/R03
P5.6/LCDREF/R13
P5.7/R03
Port P5 (P5.2 to P5.4) pin functions
PIN NAME (P5.X)
X
FUNCTION
CONTROL BITS / SIGNALS
P5DIR.x
P5SEL.x
P5.2/COM1
2 P5.2 (I/O)
I: 0; O: 1
0
COM1 (see Note 2)
X
1
P5.3/COM2
3 P5.3 (I/O)
I: 0; O: 1
0
COM2 (see Note 2)
X
1
P5.4/COM3
4 P5.4 (I/O)
I: 0; O: 1
0
COM3 (see Note 2)
X
1
P5.5/R03
5 P5.5 (I/O)
I: 0; O: 1
0
R03 (see Note 2)
X
1
P5.6/LCDREF/R13
6 P5.6 (I/O)
I: 0; O: 1
0
R13 or LCDREF (see Notes 2, 3)
X
1
P5.7/R03
7 P5.7 (I/O)
I: 0; O: 1
0
R03 (see Note 2)
X
1
NOTES:
1. X: Don’t care.
2. Setting the P5SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals.
3. External reference for the LCD_A charge pump is applied when VLCDREFx = 01. Otherwise R13 is selected.
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