UPD784020 Datasheet, PDF (79/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCOMPUTER

External Clock Timing
tWXH
0.8VDD
X1
0.8 V
tXR
tCYX
tXF
tWXL
mPD784020, 784021
Data Retention Timing
Set STOP mode.
VDD
tHVD
tFVD
VDDDR
tRVD
tDREL
tWAIT
RESET
NMI
(Released by a falling edge)
NMI
(Released by a rising edge)
0.8VDD
0.8 V
0.8VDD
0.8 V
0.8VDD
0.8 V
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