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參數(shù)資料
型號: W921C880
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位微控制器)
中文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 15/57頁
文件大小: 372K
代理商: W921C880
W921E880A/W921C880
Publication Release Date: September 1998
- 15 -
Revision A2
* P7.0
P7.3:
Four 15 mA sink current pins
Normal I/O pins only.
Normal function is the same as port P0
* P3.0
P3.3:
Multi-function I/O pins.
Normal function is the same as port P0
Special function
P3IO REG: (ADDRESS = 00FH)
(Default data = 0H)
b3
b2
b1
b0
0:
1:
0:
1:
0:
1:
0:
1:
Normal I/O P3.0
Analog input pin 0 -- ANI0
Normal I/O P3.1
Analog input pin 1 -- ANI1
Normal I/O P3.2
Analog input pin 2 -- ANI2
Normal I/O P3.3
Analog input pin 3 -- ANI3
* P4.0
P4.3:
Multi-function I/O pins.
Normal function is the same as port P0
Special function
P4IO REG: (ADDRESS = 010H)
(Default data = 0H)
b3
b2
b1
b0
0:
1:
0:
1:
0:
1:
0:
1:
Normal I/O P4.3, interrupt disable
INT0
Normal I/O P4.0, interrupt disable
Interrupt port P4.0
Normal I/O P4.1, interrupt disable
Interrupt port P4.1
Normal I/O P4.2, interrupt disable
Interrupt port P4.2
相關(guān)PDF資料
PDF描述
W921E880A 4-Bit Microcontroller(4位微控制器)
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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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