ZPSD302B-90JI View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ZPSD302B-90JI

Low cost field programmable microcontroller peripherals

STMicroelectronics 

PSD3XX Family

Figure 29. Timing of 8-Bit Non-Multiplexed Address/Data Bus Using RD, WR (PSD3X2/3X3)

CSI/A19

as CSI

READ CYCLE

32

7

WRITE CYCLE

32

15

Direct (1)

PAD Input

A0/AD0-

A15/AD15

as A0-A15

STABLE INPUT

6

STABLE INPUT

32

STABLE INPUT

14

STABLE INPUT

32

Multiplexed (2)

Inputs

6

10

14

t(s) PA0-PA7

DATA VALID

c 2

3

9

2

3

du Active High

ro ALE

1

1

4

P Active Low

lete ALE

8

12

13

11

so RD/E/DS as RD

36

- Ob WR/VPP or

) R/W as WR

uct(s Any of

d PB0-PB7

Obsolete Pro as I/O Pin

5

18

19

INPUT

DATA

IN

17

16

13

12A

20

OUTPUT

See referenced notes on page 64.

53

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