UPD78323 NEC, UPD78323 Datasheet - Page 71

• Manufacturer Part Number: UPD78323
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

Non-Consecutive Read Operation
Non-Consecutive Write Operation
P50-P57
(Output)
P40-P47
(Input/
Output)
(Output)
WR (Output)
ASTB
(CLK)
P50-P57
(Output)
P40-P47
(Input/
Output)
(Output)
RD (Output)
ASTB
(CLK)
Hi-Z
t
CYK
t
t
WSTH
WSTH
t
SAST
t
SAST
Lower Address
Lower Address
(Output)
t
DAW
t
(Output)
DAR
t
t
t
HSTA
DSTR
DSTW
t
t
DAID
HSTA
t
DSTOD
Undefined
Higher Address
Hi-Z
t
Higher Address
DWOD
t
FRA
t
t
WRL
WWL
t
DRID
Data (Input)
t
SODW
t
HRID
Data (Output)
t
HWOD
t
DWST
t
DRA
Hi-Z
PD78323, 78324
Lower Address
Lower Address
Higher Address
(Output)
(Output)
Higher Address
Hi-Z
71