參數(shù)資料
型號: W78E58B-24
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, 24 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數(shù): 21/31頁
文件大小: 419K
代理商: W78E58B-24
W78E58B
Publication Release Date: March 18, 2002
- 21 -
Revision A3
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 TCP
-
-
nS
Port Input Hold from ALE Low
T
PDH
0
-
-
nS
Port Output to ALE
T
PDA
1 TCP
-
-
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.
相關(guān)PDF資料
PDF描述
W78E58B 8 BIT MICROCONTROLLER
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W78E58BP 8 BIT MICROCONTROLLER
W78E58F-16 8-BIT MICROCONTROLLER
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