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參數(shù)資料
| 型號： | W78C154 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 8-BIT EMULATION MICROCONTROLLER |
| 中文描述： | 8位單片機仿真 |
| 文件頁數(shù)： | 4/28頁 |
| 文件大小： | 272K |
| 代理商： | W78C154 |
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W78958B
- 4 -
PIN DESCRIPTION
ENSTD Enable Standard Type, Input, Active Low
TYPE
MODE
DESCRIPTION
Advanced
-
Default status is pulled high by internal pull-up resistor.
Standard
-
A low on this pin enables the standard type.
Note: "-" in "Mode" column means that the function description is valid in both modes, normal and emulation.
EA External Address, Input
TYPE
MODE
DESCRIPTION
Advanced
-
Functions same as in W78C438.
Standard
-
Functions same as in W78C51, W78C52, W78C154* or W78C58.
PSEN
TYPE
MODE
DESCRIPTION
Advanced
Normal
Functions same as in W78C438.
Emulation
In high impedance state.
Standard
Normal
Pins ROMS1 and ROMS0 determine the function of PSEN. For
details, see Table D1 below.
Emulation
In high impedance state.
ROMS1
ROMS0
FUNCTION of PSEN, PORT 0, AND PORT 2
Same as in the W78C51 (verify 4K ROM).
0
0
0
1
Same as in the W78C52 (verify 8K ROM).
1
0
Same as in the W78C154* (verify 16K ROM).
1
1
Same as in the W78C58 (verify 32K ROM).
Table D1.
ALE
TYPE
MODE
DESCRIPTION
Advanced
Normal
Functions same as in W78C32.
Emulation
In high impedance state.
Standard
Normal
Functions same as in W78C52.
Emulation
In high impedance state.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W78C31 | 8-BIT EMULATION MICROCONTROLLER |
| W78C32 | 8-BIT EMULATION MICROCONTROLLER |
| W78C438 | 8-BIT EMULATION MICROCONTROLLER |
| W78C51 | Subminiature PCB fuse, solderable into PCBs; Tape and reel available; Voltage Rating: 125V; Current Rating: 0.315A; Characteristic: Time Lag |
| W78C52 | 8-BIT EMULATION MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W78C154-16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C154-24 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C154-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C154-40 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C154F-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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