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Fig. 7.3.6 Initial setting example for relevant registers when receiving (1)
UART0 transmit/receive mode register (Address 30
UART1 transmit/receive mode register (Address 38
b7
0
0
UART0 transmit/receive control register 0 (Address 34
UART1 transmit/receive control register 0 (Address 3C
b7
b0
UART0 baud rate register (BRG0) (Address 31
UART1 baud rate register (BRG1) (Address 39
b7
Continued to Figure 7.3.7 on next page.
7751 Group User's Manual
7.3 Clock synchronous serial I/O mode
)
16
)
16
b0
0
1
Clock synchronous serial I/O mode
Internal/External clock select bit
0: Internal clock
1: External clock
: It may be either "0" or "1."
)
16
)
16
BRG count source select bits
b1 b0
0 0 : f
/f
2
4
0 1 : f
/f
16
32
1 0 : f
/f
64
128
1 1 : f
/f
512
1024
/
select bit
CTS
RTS
0:
function selected (
function disabled).
CTS
RTS
1:
function selected.
RTS
Transfer format select bit
0: LSB first
1: MSB first
)
16
)
16
b0
Set to 00
to FF
.
16
16
Necessary only when an internal clock is selected.
SERIAL I/O
7–27
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