Chapter 18 Serial Interface Channel 0 ( Pd78078Y Subseries); Differences Between Channels 0, 1, And 2 - NEC PD78076 User Manual

CHAPTER 18 SERIAL INTERFACE CHANNEL 0 ( PD78078Y Subseries)

The PD78078Y 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
2
I C bus (Inter IC Bus)
2-wire serial I/O
UART
(Asynchronous serial interface)
Table 18-1. Differences between Channels 0, 1, and 2
Channel 0
f /2, f /2 2 , f
XX XX XX
2 4 , f /2 5 , f /2
XX XX
f /2 8 , external clock,
XX
TO2 output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(CSIIF0)
Use possible
None
Channel 1
/2 3 , f / f /2, f /2 2 , f /2
XX XX XX XX
6 , f /2 7 , 2 4 , f /2 5 , f /2 6 , f
XX XX XX
f /2 8 , external clock,
XX
TO2 output
MSB/LSB switchable
as the start bit
Automatic transmit/
receive function
Serial transfer end
interrupt request flag
(CSIIF1)
None
Channel 2
3 , f /
XX
/2 7 , External clock, baud
XX
rate generator output
MSB/LSB switchable
as the start bit
Serial transfer end
interrupt request flag
(SRIF)
None
Use possible
365