NEC PD78078 用户手册

µ

The 

µ

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

Channel 0

f

XX

/2, f

XX

/2

2

, f

XX

/2

3

, f

XX

/

2

4

, f

XX

/2

5

, f

XX

/2

6

, f

XX

/2

7

,

f

XX

/2

8

, external clock,

TO2 output

MSB/LSB switchable

as the start bit

Serial transfer end

interrupt request flag

(CSIIF0)

Channel 1

f

XX

/2, f

XX

/2

2

, f

XX

/2

3

, f

XX

/

2

4

, f

XX

/2

5

, f

XX

/2

6

, f

XX

/2

7

,

f

XX

/2

8

, external clock,

TO2 output

MSB/LSB switchable

as the start bit

Automatic transmit/

receive function

Serial transfer end

interrupt request flag

(CSIIF1)

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 method

Transfer end flag

I

2

C bus (Inter IC Bus)

2-wire serial I/O

UART

(Asynchronous serial interface)

Use possible

None

None

None

Use possible

3-wire serial I/O