NEC PD750008 - Manual (Page 181)

161
CHAPTER 5 PERIPHERAL HARDWARE FUNCTIONS
Figure 5-60. Operations of RELT, CMDT, RELD, and CMDD (Master)
Figure 5-61. Operations of RELT, CMDT, RELD, and CMDD (Slave)
SIO
SCK
SO latch
RELT
CMDT
RELD
CMDD
Transfer start request
"H"
SIO
SCK 1 2 7 8
D7 D6 D1 D0 SO latch
RELT
(Master)
CMDT
(Master)
RELD
CMDD
Transfer start request Write to SIO.
When address match is found
When address mismatch is found