Datasheet

MSP430F15x, MSP430F16x, MSP430F161x
MIXED SIGNAL MICROCONTROLLER
SLAS368G − OCTOBER 2002 − REVISED MARCH 2011
60
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematics (continued)
port P5, P5.3, input/output with Schmitt trigger
P5.3/UCLK1
P5IN.3
Pad Logic
EN
D
P5OUT.3
P5DIR.3
P5SEL.3
0
1
0
1
DCM_SIMO
SYNC
MM
STE
STC
UCLK1
From USART1
UCLK1
To USART1
0: Input
1: Output
NOTE: UART mode: The UART clock can only be an input. If UART mode and UART function are selected, the P5.3/UCLK1 direction
is always input.
SPI, slave mode: The clock applied to UCLK1 is used to shift data in and out.
SPI, master mode: The clock to shift data in and out is supplied to connected devices on pin P5.3/UCLK1 (in slave mode).