ZPSD302B-90JI View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ZPSD302B-90JI Datasheet PDF : 85 Pages
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PSD3XX Family
18.9 Timing Diagrams for all PSD3XX Parts
Figure 20. Timing of 8-Bit Multiplexed Address/Data Bus Using RD, WR (PSD3X1)
CSI/A19
as CSI
Direct (1)
PAD Input
READ CYCLE
32
7
STABLE INPUT
6
WRITE CYCLE
32
15
32
STABLE INPUT
14
Multiplexed (2)
Inputs
6
10
14
DATA
IN
A0/AD0-
A7/AD7
t(s) Active High
c ALE
du Active Low
ro ALE
te P RD/E as RD
bsole BHE/PSEN
O as PSEN
) - WR/VPP or
t(s RW as WR
uc Any of
d PA0-PA7
ro as I/O Pin
P Any of
te PB0-PB7
as I/O Pin
ole Any of
s PA0-PA7 Pins
b as Address
OOutputs
ADDRESS A
2
3
1
DATA VALID
9
4
13
8
12
5
18
19
INPUT
INPUT
23
ADDRESS A
ADDRESS B
2
3
1
11
17
16
36
13
12A
20
OUTPUT
OUTPUT
23
ADDRESS B
See referenced notes on page 64.
44
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