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MC81F4432Q 参数 Datasheet PDF下载

MC81F4432Q图片预览
型号: MC81F4432Q
PDF下载: 下载PDF文件 查看货源
内容描述: ABOV半导体的8位单芯片微控制器产品 [ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS]
分类和应用: 半导体微控制器
文件页数/大小: 198 页 / 4293 K
品牌: FINECHIPS [ FINECHIPS ]
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MC81F4x16  
EINTF  
EXTERNAL INTERRUPT FLAG REGISTER  
00CDH  
7
6
5
4
3
2
1
0
INT0IF INT2IF INT4IF INT7IF INT8IF INT9IF INT10IF INT11IF  
R/W R/W R/W R/W R/W R/W R/W R/W  
EINTFH  
Reset value: 00H  
EXT0IF  
EXT2IF  
EXT4IF  
EXT7IF  
EXT8IF  
EXT9IF  
EXT10IF  
EXT11IF  
EXT0 External Interrupt Flag  
EXT2 External Interrupt Flag  
EXT4 External Interrupt Flag  
EXT7 External Interrupt Flag  
EXT8 External Interrupt Flag  
EXT9 External Interrupt Flag  
EXT10 External Interrupt Flag  
EXT11 External Interrupt Flag  
0: Not generated  
1: Generated  
12.2 Procedure  
To generate external interrupt, following steps are required,  
1. Prepare external interrupt sub-routine.  
2. Set external interrupt pins to read mode  
3. Enable the external interrupt and select the edge mode.  
4. Make sure global interrupt is enabled(use EIinstruction).  
After finish above steps, the external interrupt sub-routine is calling, when the edge is detected.  
When the generated external interrupt is one of the external interrupts group, the EINTF register is  
used to recognize which external interrupt is generated.  
100  
October 19, 2009 Ver.1.35