M16C62_M Datasheet, PDF (384/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

Clock-Synchronous Serial I/O
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Continued from the previous page
Setting UART1 bit rate generator
b7
b0
UART1 bit rate generator [Address 03A916]
U1BRG
Can be set to 0016 to FF16 (Note)
Note: Write to UART1 bit rate generator when transmission/reception is halted.
Transmission enabled
b7
b0
1
UART1 transmit/receive control register 1 [Address 03AD16]
U1C1
Transmit enable bit
1 : Transmission enabled
Writing transmit data
(b15)
b7
(b8)
b0 b7
b0 _{UART1 transmit buffer register [Address 03AB16, 03AA16]}
U1TB
Setting transmission data
Start transmission
Checking the status of UART1 transmit/receieve control register
b7
b0
UART1 transmit/receive control register 1 [Address 03AD16]
U1C1
Transmit buffer empty flag
0 : Data present in transmit buffer register
1 : No data present in transmit buffer register (Writing next transmit data enabled)
Writing next transmit data
(b15)
b7
(b8)
b0 b7
b0 _{UART1 transmit buffer register [Address 03AB16, 03AA16]}
U1TB
Setting transmission data
Transmission is complete
Figure 2.4.12. Set-up procedure of transmission in clock-synchronous serial I/O mode, transfer
clock output from multiple pins function selected (2)
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