7643_06 Datasheet, PDF (270/424 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

7643 Group
APPLICATION
2.6 USB
UMOD
UART mode register (Address : 3016)
b7
b0
0 1 0 0 0 00
UCON
UART clock : φ/1
Stop bit length : 1 stop bit
Parity checking disabled
Character length : 8 bits
UART control register (Address : 3316)
b7
b0
0 0 1 1 10 1
UBRG
Transmit enabled
Receive disabled
Transmit initializing
Interrupt when transmit shift operation is completed
CTS function enabled
RTS function disabled
UART address mode disabled
UART baud rate generator (Address : 3116)
b7
b0
4D16
ICONA
Interrupt control register A (Address : 0516)
b7
b0
1
1
USB function interrupt : enabled
UART transmit interrupt : enabled
UTRB1
USTS
UART transmit/receive buffer register 1 (Address : 3416)
b7
b0
Transmit data
UART statis regoster (Address : 3216)
b7
b0
Transmit complete flag
Transmit buffer empty flag
Fig. 2.6.44 Register setting (1)
Rev.2.00 Aug 28, 2006 page 149 of 202
REJ09B0133-0200