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參數(shù)資料
| 型號： | W78LE51F-24 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MTP MICROCONTROLLER |
| 中文描述： | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數(shù)： | 15/21頁 |
| 文件大小： | 304K |
| 代理商： | W78LE51F-24 |
Preliminary W78LE51
Publication Release Date: December 1998
- 15 -
Revision A1
Port Access Cycle
PARAMETER
SYMBOL
T
PDS
T
PDH
T
PDA
MIN.
1 T
CP
0
1 T
CP
TYP.
-
-
-
MAX.
-
-
-
UNIT
nS
nS
nS
Port Input Setup to ALE Low
Port Input Hold from ALE Low
Port Output to ALE
Note: Ports are read during S5P2, and output data becomes available at the end of S6P2. The timing data are referenced to
ALE, since it provides a convenient reference.
Program Operation
PARAMETER
SYMBOL
T
VPS
T
DS
T
DH
T
AS
T
AH
T
PWP
MIN.
2.0
2.0
2.0
2.0
0
290
TYP.
-
-
-
-
-
300
MAX.
-
-
-
-
-
310
UNIT
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
V
PP
Setup Time
Data Setup Time
Data Hold Time
Address Setup Time
Address Hold Time
CE
Program Pulse Width for
Program Operation
OECTRL Setup Time
OECTRL Hold Time
OE
Setup Time
T
OCS
T
OCH
T
OES
T
DFP
T
OEV
2.0
2.0
2.0
0
-
-
-
-
-
-
-
-
-
μ
S
μ
S
μ
S
nS
nS
OE
High to Output Float
Data Valid from
OE
130
150
Note: Flash data can be accessed only in flash mode. The RST pin must pull in V
IH
status, the ALE pin must pull in V
IL
status, and
the PSEN pin must pull in V
IH
status.
TIMING WAVEFORMS
Program Fetch Cycle
S1
XTAL1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
ALE
PORT 2
A0-A7
A0-A7
Data
A0-A7
Code
T
A0-A7
Data
Code
PORT 0
PSEN
PDH,
T
PDZ
T
PDA
T
AAH
T
AAS
T
PSW
T
APL
T
ALW
相關PDF資料 |
PDF描述 |
|---|---|
| W78LE51 | 8-BIT MTP MICROCONTROLLER |
| W78LE51-24 | 8-BIT MTP MICROCONTROLLER |
| W78LE51P-24 | 8-BIT MTP MICROCONTROLLER |
| W78LE52 | 8-BIT MTP MICROCONTROLLER |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| W78LE51P-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78LE52-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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