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參數資料
型號: W77E58-25
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 79/85頁
文件大小: 570K
代理商: W77E58-25
Preliminary W77E58
Publication Release Date: March 1999
- 79 - Revision A1
Movx Characteristics Using Strech Memory Cycles, continued
PARAMETER
SYMBOL
VARIABLE
CLOCK
MIN
VARIABLE
CLOCK
MAX
UNITS
STRECH
ALE Low to
RD
or
WR
Low
t
LLWL
0.5t
CLCL
- 5
1.5t
CLCL
- 5
t
CLCL
- 5
2.0t
CLCL
- 5
0.5t
CLCL
+ 5
1.5t
CLCL
+ 5
nS
t
MCS
= 0
t
MCS
>0
t
MCS
= 0
t
MCS
>0
Port 0 Address to
RD
or
WR
Low
t
AVWL
nS
Port 2 Address to
RD
or
WR
Low
Data Valid to WR Transition
t
AVWL2
1.5t
CLCL
- 5
2.5t
CLCL
- 5
nS
t
MCS
= 0
t
MCS
>0
t
QVWX
-5
1.0t
CLCL
- 5
t
CLCL
- 5
2.0t
CLCL
- 5
nS
t
MCS
= 0
t
MCS
>0
t
MCS
= 0
t
MCS
>0
Data Hold after Write
t
WHQX
nS
RD
Low to Address Float
t
RLAZ
0.5t
CLCL
- 5
nS
RD
or WR high to ALE high
t
WHLH
0
1.0t
CLCL
- 5
10
1.0t
CLCL
+ 5
nS
t
MCS
= 0
t
MCS
>0
Note: t
MCS
is a time period related to the Stretch memory cycle selection. The following table shows the time period of t
MCS
for each selection of the Stretch value.
M2
M1
M0
MOVX Cycles
t
MCS
0
0
0
0
2 machine cycles
0
0
1
3 machine cycles
4 t
CLCL
8 t
CLCL
12 t
CLCL
16 t
CLCL
20 t
CLCL
24 t
CLCL
28 t
CLCL
0
1
0
4 machine cycles
0
1
1
5 machine cycles
1
0
0
6 machine cycles
1
0
1
7 machine cycles
1
1
0
8 machine cycles
1
1
1
9 machine cycles
EXPLANATION OF LOGIC SYMBOLS
In order to maintain compatibility with the original 8051 family, this device specifies the same
parameter for each device, using the same symbols. The explanation of the symbols is as follows.
相關PDF資料
PDF描述
W77E58-40 8 BIT MICROCONTROLLER
W77E58F-25 8 BIT MICROCONTROLLER
W77E58F-40 8 BIT MICROCONTROLLER
W77E58P-25 8 BIT MICROCONTROLLER
W77E58P-40 8 BIT MICROCONTROLLER
相關代理商/技術參數
參數描述
W77E58-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58F-25 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58F-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58P-25 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58P-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER