Datasheet

MSP430F47x3, MSP430F47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545C − MAY 2007 − REVISED MARCH 2011
65
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
port P5, P5.2 to P5.7, input/output with Schmitt trigger
Bus
Keeper
EN
Direction
0: Input
1: Output
P5SEL.x
1
0
P5DIR.x
P5IN.x
1
0
DVSS
P5OUT.x
P5.2/COM1
P5.3/COM2
P5.4/COM3
P5.5/R03
P5.6/LCDREF/R13
P5.7/R23
1
0
DVSS
DVCC
P5REN.x
Pad Logic
LCD Signal
1
Port P5 (P5.2 to P5.4) pin functions
PIN NAME (P5 X)
X
FUNCTION
CONTROL BITS / SIGNALS
PIN NAME (P5.X)
X FUNCTION
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/R23 7
P5.7 (I/O) I: 0, O: 1 0
R23 (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.