7643 datasheet(188/424 Pages) RENESAS

188 / 424 page

Rev.2.00

Aug 28, 2006

page 67 of 202

7643 Group

REJ09B0133-0200

APPLICATION

2.4 UART

Fig. 2.4.31 Registers setting (1)

UART mode register (Address : 3016)

UMOD

UART baud rate generator (Address : 3116)

UBRG

4D16

UART control register (Address : 3316)

0 1 0

UCON

Interrupt request register A (Address : 0216)

IREQA

USB function interrupt request bit

DMAC0 interrupt request bit

UART receive buffer full interrupt request bit

UART RTS control register (Address : 3616)

URTSC

RTS assertion delay count select bits

Interrupt request register B (Address : 0316)

IREQB

UART summing error interrupt request bit

Interrupt control register A (Address : 0516)

ICONA

Interrupt control register B (Address : 0616)

ICONB

UART summing error interrupt : disabled

UART clock :

φ/1

Character length : 8 bits

Parity checking disabled

Stop bit length : 1 stop bit

Transmit disabled

Receive enabled

UART address mode disabled

Receive initializing

CTS function disabled

RTS function enabled

USB function interrupt: enabled

DMAC0 interrupt: enabled

UART transmit interrupt: disabled

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