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CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (
µ
PD78078 SUBSERIES)
The
µ
PD78078 Subseries incorporates three channels of serial interfaces. Differences between channels 0, 1,
and 2 are as follows (Refer to CHAPTER 19 SERIAL INTERFACE CHANNEL 1 for details of the serial interface
channel 1. Refer to CHAPTER 20 SERIAL INTERFACE CHANNEL 2 for details of the serial interface channel
2).
Table 17-1. Differences between Channels 0, 1, and 2
None
Serial Transfer Mode
Channel 0
fXX/2, fXX/2
2
, fXX/2
3
,
f
XX/2
4
, fXX/2
5
, fXX/2
6
,
fXX/2
7
, fXX/2
8
, external
clock, TO2 output
Channel 1
fXX/2, fXX/2
2
, fXX/2
3
,
f
XX/2
4
, fXX/2
5
, fXX/2
6
,
fXX/2
7
, fXX/2
8
, external
clock, TO2 output
Channel 2
External clock, baud
rate generator output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(SRIF)
Clock selection
Transfer end flag
Transfer method
3-wire serial I/O
SBI (serial bus interface)
2-wire serial I/O
UART
(Asynchronous serial interface)
Use possible
None
None
Use possible
MSB/LSB switchable
as the start bit
Automatic transmit/
receive function
Serial transfer end
interrupt request flag
(CSIIF1)
Serial transfer end
interrupt request flag
(CSIIF0)
MSB/LSB switchable
as the start bit