參數(shù)資料
型號： W78958B
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?。?/td> 272K
代理商： W78958B
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
W78958BF 8-BIT EMULATION MICROCONTROLLER
W78C154 8-BIT EMULATION MICROCONTROLLER
W78C31 8-BIT EMULATION MICROCONTROLLER
W78C32 8-BIT EMULATION MICROCONTROLLER
W78C438 8-BIT EMULATION MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W78958BF 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT EMULATION MICROCONTROLLER
W7899-W 制造商:Leviton Manufacturing Co 功能描述:Dimmers With 20 Amp Amperage
W78ACSX-1 制造商:Magnecraft 功能描述:
W78ACSX-2 制造商:Magnecraft 功能描述:
W78ACSX3 制造商:Magnecraft 功能描述:3-5 Days
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