NEC PD75P402 User Manual Page 117

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106
CHAPTER 5. PERIPHERAL HARDWARE FUNCTIONS
(5) Signals
The operation of signals and flags in SBIC in the SBI mode are shown in Figs. 5-42 to 5-47, and SBI signals are
listed in Table 5-8.
Fig. 5-42 RELT, CMDT, RELD & CMDD Operation (Master)
Fig. 5-43 RELT, CMDT, RELD & CMDD Operation (Slave)
Tramsfer Start Directive
SIO
SCK
SB0
RELT
CMDT
RELD
CMDD
Transfer Start Directive
Write to SIO
SIO
SCK
So Latch
RELT
(Master)
CMDT
(Master)
RELD
CMDD
When Address Matches
When Address Does not Match
1 2 3 4 5 6 7 8 9
D7 D6 D5 D4 D3 D2 D1 D0
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