NEC uPD78056Y User Manual
Page 329
Advertising
329
CHAPTER 16 SERIAL INTERFACE CHANNEL 0 (
µ
PD78054 Subseries)
Figure 16-29. Data Transmission from Master Device to Slave Device
1
2
3
4
5
6
7
8
9
SCK0 Pin
D7
D6
D5
D4
D3
D2
D1
D0
ACK
BUSY
SB0 (SB1) Pin
Program Processing
Serial Transmission
INTCSI0
Generation
ACKD
Set
SCK0
Stop
Hardware Operation
ACKT
Set
Program Processing
INTCSI0
Generation
ACK
Output
Hardware Operation
Write
to SIO0
Interrupt Servicing
(Preparation for the Next Serial Transfer)
Master Device Processing (Transmitter)
Transfer Line
Slave Device Processing (Receiver)
Serial Reception
BUSY
Output
READY
Data
BUSY
Clear
BUSY
Clear
SIO0
Read
Advertising
This manual is related to the following products: