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CHAPTER 17 SERIAL INTERFACE CHANNEL 0 ( PD78078 SUBSERIES)
The 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).
Serial Transfer Mode
Clock selection
3-wire serial I/O
Transfer method
Transfer end flag
SBI (serial bus interface)
2-wire serial I/O
UART
(Asynchronous serial interface)
Table 17-1. Differences between Channels 0, 1, and 2
Channel 0
f
/2, f
/2
2
, f
XX
XX
XX
4
5
f
/2
, f
/2
, f
XX
XX
f
/2
7
, f
/2
8
, external
XX
XX
clock, TO2 output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(CSIIF0)
Use possible
None
Channel 1
/2
3
,
f
/2, f
/2
2
, f
/2
XX
XX
XX
6
4
5
/2
,
f
/2
, f
/2
, f
/2
XX
XX
XX
XX
f
/2
7
, f
/2
8
, external
XX
XX
clock, TO2 output
MSB/LSB switchable
as the start bit
Automatic transmit/
receive function
Serial transfer end
interrupt request flag
(CSIIF1)
None
Channel 2
3
,
6
,
External clock, baud
rate generator output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(SRIF)
None
Use possible
315
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