NEC 78014Y Series User Manual page 358

SCK0
SB0 (SB1)
ACKT
Caution Do not set ACKT before termination of transfer.
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358
CHAPTER 16 SERIAL INTERFACE CHANNEL 0 ( µ PD78014Y Subseries)
Figure 16-24. ACKT Operation
6 7 8 9
D2 D1 D0 ACK ACK signal is output during
a period of one clock
immediately after setting
When set during
this period