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參數資料
型號: W921E840
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 18/64頁
文件大小: 603K
代理商: W921E840
W921E840
- 18 -
ù
P4.0 to P4.3: Multi-function I/O pins (selected by P4IO register)
Normal function I/O pins
Special function I/O pins
P4IO register: (address = 010H, default data = 0H)
b3
b2
b1
b0
0:
1:
0:
1:
0:
1:
0:
1:
INT0
Normal I/O P4.0, interrupt disable
Interrupt port P4.0
Interrupt port P4.1
Interrupt port P4.2
Normal I/O P4.3, interrupt disable
Normal I/O P4.2, interrupt disable
Normal I/O P4.1, interrupt disable
ù
P5.0 to P5.3: Multi-function I/O pins (selected by P5IO register)
Normal function I/O pins
Special function I/O pins
P5IO register: (address = 011H, default data = 0H)
b3
b2
b1
b0
0:
1:
0:
1:
0:
1:
0:
1:
Normal I/O P5.3
Work as the output pin of D/A convertor
(DAOUT)
Normal I/O P5.0
Work as the timer 1 control pin
Normal I/O P5.1
Work as the timer 2 control pin
Normal I/O P5.2
Work as the Vref input pin of the comparator
ù
P6.0 to P6.3: Multi-function I/O pins (selected by P6IO register)
Normal function I/O pins
Special function I/O pins
相關PDF資料
PDF描述
W921E880 4-Bit Microcontroller(4位的微控制器)
W921F840 4-Bit Microcontroller(4位的微控制器)
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W9321 ADPCM Codec(ADPCM編解碼器)
相關代理商/技術參數
參數描述
W921E840A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E843A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W925C240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller