Datasheet
MSP430F471x3, MSP430F471x6, MSP430F471x7
MIXED SIGNAL MICROCONTROLLER
SLAS626C -- OCTOBER 2008 -- REVISED MARCH 2011
72
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Port P5, P5.1 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
P5.1/COM0
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 (P5.1 to P5.7) pin functions
PIN NAME (P5 X)
X FUNCTION
CONTROL BITS / SIGNALS
PIN NAME (P5.X)
X FUNCTION
P5DIR.x P5SEL.x
P5.1/COM0 2
P5.1 (I/O) I: 0, O: 1 0
COM0 (see Note 2) X 1
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(seeNote2) X 1
P5.6/LCDREF/R13 6
P5.6 (I/O) I: 0, O: 1 0
/ /
R13 or LCDREF (see Notes 2 and 3) X 1
P5.7/R23 7
P5.7 (I/O) I: 0, O: 1 0
/
R23(seeNote2) 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 s elected.