Bus
Keeper
EN
Direction
0: Input
1: Output
P2SEL .x
1
0
P 2DIR .x
P2IN .x
DVSS
DVSS
Pad Logic
DV SS
P2IRQ .x
D
EN
Module X IN
1
0
Module X OUT
P2OUT .x
Note: x = 4,5
P2.4/UCA 0TXD
P2.5/UCA 0RXD
Interrupt
Edge
Select
Q
EN
Set
P2SEL .x
P2IES.x
P2IFG .x
P2IE.x
Direction control
from Module X
MSP430FG4619, MSP430FG4618, MSP430FG4617, MSP430FG4616
MSP430CG4619, MSP430CG4618, MSP430CG4617, MSP430CG4616
SLAS508J – APRIL 2006 – REVISED JUNE 2015
www.ti.com
6.10.4 Port P2, P2.4 to P2.5, Input/Output With Schmitt Trigger
Table 6-14. Port P2 (P2.4 and P2.5) Pin Functions
CONTROL BITS OR
SIGNALS
(1)
PIN NAME (P2.x)
x
FUNCTION
P2DIR.x
P2SEL.x
P2.4 (I/O)
I: 0; O: 1
0
P2.4/UCA0TXD
4
USCI_A0.UCA0TXD
(2)
X
1
P2.5 (I/O)
I: 0; O: 1
0
P2.5/UCA0RXD
5
USCI_A0.UCA0RXD
(2)
X
1
(1)
X = don't care
(2)
When in USCI mode, P2.4 is set to output, P2.5 is set to input.
70
Detailed Description
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MSP430FG4619 MSP430FG4618 MSP430FG4617 MSP430FG4616 MSP430CG4619
MSP430CG4618 MSP430CG4617 MSP430CG4616