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UPD784031 Datasheet, PDF (72/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER
HOLD TIMING
ADTB, A8-A19,
AD0-AD7, RD, WR
HLDRQ
HLDAK
tFHQC
tDCFHA
tDHQHHAH
EXTERNAL WAIT SIGNAL INPUT TIMING
(1) Read operation
ASTB
A8-A19
tDSTWT
tDSTWTH
tHSTWTH
AD0-AD7
RD
WAIT
(2) Write operation
ASTB
A8-A19
tDAWT
tDRWTL
tHRWT
tDRWTH
tDSTWT
tDSTWTH
tHSTWTH
AD0-AD7
WR
WAIT
tDAWT
tDWWTL
tHWWT
tDWWTH
72
tDHAC
tDHQLHAL
tDWTID
tDWTR
tDWTW
µPD784031