UPD78323 NEC, UPD78323 Datasheet - Page 71
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
- Current page: 71 of 86
- Download datasheet (455Kb)
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
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