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參數(shù)資料
| 型號(hào)： | W78C438B |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 8-BIT Microcontroller(8位的微控制器) |
| 中文描述： | 8位微控制器（8位的微控制器） |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 221K |
| 代理商： | W78C438B |
W78C438B
Publication Release Date: April 1997
- 5 -
Revision A4
P8.0
P8.7 I/O Port
Functions are the same as those of Port 1 in the W78C31, except that they are mapped by the P8
register and not bit-addressable. The P8 register is not a standard register in the W78C32. Its address
is at 0A6H.
INT2, INT3 External Interrupt, Input
Functions are similar to those of external
INT0
,
INT1
in the W78C32, except that the functions/status
of these interrupts are determined/shown by the bits in the XICON (External Interrupt Control)
register. The XICON register is bit-addressable but is not a standard register in the W78C32. Its
address is at 0C0H. For details, see the Functional Description below.
EA External Address, Input
Functions same as W78C32.
RST, XTAL1, XTAL2, PSEN, ALE
Functions same as W78C32.
BLOCK DIAGRAM
SFR
RAM
256
Bytes
CPU
Serial
Port
Data Bus
CORE
Interrupt
INT0
Timer0
Timer2
Port 0
Port 1
Alternate
Port 2
Port 8
DP4
AP5
AP6
AP7
Alternate
INT1
Timer1
INT2
INT3
Port 3
Alternate
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| W78C438C40FL | 8-BIT MICROCONTROLLER |
| W78C438C40PL | 8-BIT MICROCONTROLLER |
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| W78958B | 8-BIT EMULATION MICROCONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| W78C438BF-16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C438BF-24 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C438BF-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C438BF-40 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78C438BP-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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