Configuration; Table 12-1: Configuration Of Uarta0 And Uarta1; Table 12-2: List Of Pins Of Asynchronous Serial Interface A - NEC V850E/RS1 User Manual

12.2 Configuration

UARTA consists of the following hardware:
Remark:
The pins of asynchronous serial interface A (UARTA) function alternately as port pins. For how to select
the alternate functions, refer to the description of registers in Chapter 4 Port Functions.
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Chapter 12 Asynchronous Serial Interface A (UARTA)

Table 12-1: Configuration of UARTA0 and UARTA1

Item
UARTAn reception shift register
UARTAn reception data register (UAnRX)
Register
UARTAn transmit shift register
UARTAn transmit data register (UAnTX)
Reception data input 2 (RXDA0, RXDA1)
Transmit data output 2 (TXDA0, TXDA1)
Baud rate clock input 2 (ASCKA0, ASCKA1)
UARTAn control register 0 to 2 (UAnCTL0 to UAnCTL2)
Control register UARTAn option control register 0 (UAnOPT0)
UARTAn status register (UAnSTR)
n = 0 to 1

Table 12-2: List of Pins of Asynchronous Serial Interface A

Pin Name Alternate-Function Pin
RXDA0 P31/INTP7
RXDA1 P95
TXDA0 P30
TXDA1 P96
ASCKA0 P32
ASCKA1 P94/CS303
Configuration
I/O
Serial receive data input (UARTA0)
Input
Serial receive data input (UARTA1)
Serial transmit data output (UARTA0)
Output
Serial transmit data output (UARTA1)
Baud rate clock input (UARTA0)
Input
Baud rate clock input (UARTA1)
User's Manual U16702EE3V2UD00
Function