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參數(shù)資料
| 型號： | W78E52BF-40 |
| 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, 40 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數(shù)： | 15/22頁 |
| 文件大?。?/td> | 306K |
| 代理商： | W78E52BF-40 |
Preliminary W78E52B
Publication Release Date: December 1998
- 15 -
Revision A1
Data Read Cycle
PARAMETER
SYMBOL
T
DAR
MIN.
3 T
CP
-
-
TYP.
-
MAX.
3 T
CP
+
4 T
CP
UNIT
nS
NOTES
1, 2
ALE Low to RD Low
RD Low to Data Valid
T
DDA
-
nS
1
Data Hold from RD High
T
DDH
0
-
2 T
CP
nS
Data Float from RD High
T
DDZ
0
-
2 T
CP
nS
RD Pulse Width
T
DRD
6 T
CP
-
6 T
CP
-
nS
2
Notes:
1. Data memory access time is 8 T
CP
.
2. "
" (due to buffer driving delay and wire loading) is 20 nS.
Data Write Cycle
PARAMETER
SYMBOL
T
DAW
MIN.
3 T
CP
-
1 T
CP
-
1 T
CP
-
6 T
CP
-
TYP.
-
MAX.
3 T
CP
+
-
UNIT
nS
ALE Low to WR Low
Data Valid to WR Low
T
DAD
-
nS
Data Hold from WR High
T
DWD
-
-
nS
WR Pulse Width
T
DWR
6 T
CP
-
nS
Note: "
" (due to buffer driving delay and wire loading) is 20 nS.
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
MIN.
TYP.
MAX.
UNIT
V
PP
Setup Time
T
VPS
2.0
-
-
μ
S
μ
S
μ
S
μ
S
μ
S
Data Setup Time
T
DS
2.0
-
-
Data Hold Time
T
DH
2.0
-
-
Address Setup Time
T
AS
2.0
-
-
Address Hold Time
T
AH
0
-
-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W78E52BP-24 | 8-BIT MTP MICROCONTROLLER |
| W78E52BP-40 | 8-BIT MTP MICROCONTROLLER |
| W78E52B | 8-BIT MTP Monitor Microcontroller(多次可編程的8位的監(jiān)視微控制器) |
| W78E52BF-24 | 8-BIT MTP MICROCONTROLLER |
| W78E52B-24 | 8-BIT MTP MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W78E52BP-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78E52BP-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78E52C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78E52C_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78E52P-16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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