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參數資料
| 型號： | W78IE52 |
| 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, 20 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數： | 15/22頁 |
| 文件大小： | 281K |
| 代理商： | W78IE52 |
Preliminary W78IE52
Publication Release Date: April 20, 2005
- 15 -
Revision A2
Data Read Cycle
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
NOTES
ALE Low to
RD
Low
T
DAR
3 T
CP
-
-
3 T
CP
+
nS
1, 2
RD
Low to Data Valid
T
DDA
-
-
4 T
CP
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
MIN.
TYP.
MAX.
UNIT
ALE Low to
WR
Low
T
DAW
3 T
CP
-
-
3 T
CP
+
nS
Data Valid to
WR
Low
T
DAD
1 T
CP
-
-
-
nS
Data Hold from
WR
High
T
DWD
1 T
CP
-
-
-
nS
WR Pulse Width
T
DWR
6 T
CP
-
6 T
CP
-
nS
Note: "
" (due to buffer driving delay and wire loading) is 20 nS.
Port Access Cycle
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Port Input Setup to ALE Low
T
PDS
1 T
CP
-
-
nS
Port Input Hold from ALE Low
T
PDH
0
-
-
nS
Port Output to ALE
T
PDA
1 T
CP
-
-
nS
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
Data Setup Time
T
DS
2.0
-
-
Data Hold Time
T
DH
2.0
-
-
Address Setup Time
T
AS
2.0
-
-
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PDF描述 |
|---|---|
| W78IE54 | 8-BIT MTP Monitor Microcontroller(多次可編程的8位的監視微控制器) |
| W78IE54P | 8-BIT MTP MICROCONTROLLER |
| W78IRD2 | 8-BIT MICROCONTROLLER |
| W78IRD2A | 8-BIT MICROCONTROLLER |
| W78L052A | 8-BIT MICROCONTROLLER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W78IE52_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78IE54 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78IE54P | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78IRD2 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78IRD2A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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