NEC uPD75P308 Datasheet page 24

SERIAL TRANSFER TIMING
BUS RELEASE SIGNAL TRANSFER
SCK
t
KSB
SB0,1
COMMAND SIGNAL TRANSFER
SCK
SB0,1
INTERRUPT INPUT TIMING
INT0, 1, 2, 4
KR0-7
RESET INPUT TIMING
RESET
24
t t t
SBL SBH SBK
t
KL3,4
t t
KSB SBK
t
INTL
t
RSL
t
KCY3,4
t t
KL3,4 KH3,4
t
KSO3,4
t
KCY3,4
t
KH3,4
t
SIK3,4
t
t
KSO3,4
t
INTH
PD75P308
t
SIK3,4
t
KSI3,4
KSI3,4