參數(shù)資料
型號(hào): PSD312R-25JI
廠商: 意法半導(dǎo)體
英文描述: Low Cost Field Programmable Microcontroller Peripherals
中文描述: 低成本現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備
文件頁(yè)數(shù): 50/85頁(yè)
文件大?。?/td> 691K
代理商: PSD312R-25JI
PSD3XX Famly
47
Figure 23. Timng of 8-Bit Multiplexed Address/Data Bus Using R/W E or R/W DS
(PSD3X2/3X3)
18
33
34
36
19
DATA VALID
CSI/A19
as CSI
DATA
IN
8
12
5
1
32
7
15
32
32
14
14
6
6
10
9
ADDRESS A
2
ADDRESS B
3
4
33
13
2
16
17
12
13
20
23
23
ADDRESS A
ADDRESS B
INPUT
INPUT
OUTPUT
OUTPUT
READ CYCLE
WRITE CYCLE
STABLE INPUT
STABLE INPUT
Direct
(1)
PAD Input
Multiplexed
(2)
Inputs
A0/AD0-
A7/AD7
Active Low
AS
Active High
AS
RD/E/DS as E
WR/V
PP
or
R/W as R/W
Any of
PA0-PA7
as I/O Pin
Any of
PA0-PA7 Pins
as Address
Outputs
Any of
PB0-PB7
as I/O Pin
1
3
34
35
RD/E/DS as DS
35
See referenced notes on page 64.
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