UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 502

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

17.6.5 Acknowledge Signal (ACK)
can be synchronized with any SCK0 clock pulse as required.
acknowledge signal has not been sent back within a given time after data transmission, it can be inferred that reception
has not been performed correctly.
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The acknowledge signal is used to confirm data reception between the sender and receiver.
The acknowledge signal is a one-shot pulse synchronized with the fall of SCK0 after an 8-bit data transfer, and its position
After transmitting 8-bit data, the sender checks whether the receiver has sent back an acknowledge signal. If an
[When output is synchronized with 11th SCK0]
[When output is synchronized with 9th SCK0]
SCK0
SCK0
SB0
SB0
CHAPTER 17 CLOCKED SERIAL INTERFACE
Figure 17-21 Acknowledge Signal
8
8
9
9
ACK
10
11
ACK