UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 506

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(a) When ACK signal is output in 9th SCK0 clock interval
(b) When ACK signal is output after 9th SCK0 clock interval
(c) Clearing timing when transfer start directive is given during BUSY state
466
ACKD
SCK0
SB0
SIO
ACKD
SCK0
ACKD
SCK0
SB0
SIO
SB0
SIO
6
D2
6
6
D2
D2
7
D1
7
7
D1
D1
8
CHAPTER 17 CLOCKED SERIAL INTERFACE
D0
8
8
D0
9
D0
Figure 17-26 ACKD Operation
9
9
ACK
ACK
ACK
Transfer Start Directive
BUSY
D7
Transfer Start Directive
Transfer Start Directive
D6
Start of Transfer
D7
Start of Transfer
D7
D6
D6