Chapter 16 Serial Interface Channel 0 ( Pd78054 Subseries); Differences Between Channels 0, 1, And 2 - NEC PD78052 User Manual

CHAPTER 16 SERIAL INTERFACE CHANNEL 0 ( PD78054 Subseries)

The PD78054 subseries incorporates three channels of serial interfaces. Differences between channels 0, 1,
and 2 are as follows (Refer to CHAPTER 18 SERIAL INTERFACE CHANNEL 1 for details of the serial interface
channel 1. Refer to CHAPTER 19 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 16-1. Differences between Channels 0, 1, and 2
Channel 0
2
f /2, f /2 , f
XX XX XX
4 5
f /2 , f /2 , f
XX XX
7 8
f /2 , f /2 , 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
3 2
/2 , f /2, f /2 , f /2
XX XX XX
6 4 5
/2 , f /2 , f /2 , f /2
XX XX XX XX
7 8
f /2 , f /2 , 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
, Baud rate generator
output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(SRIF)
None
Use possible
287