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PIC18F4431-I/PT 参数 Datasheet PDF下载

PIC18F4431-I/PT图片预览
型号: PIC18F4431-I/PT
PDF下载: 下载PDF文件 查看货源
内容描述: 28 /40/ 44引脚增强型闪存微控制器采用纳瓦技术,高性能PWM和A / D [28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D]
分类和应用: 闪存微控制器
文件页数/大小: 392 页 / 3127 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC18F2331/2431/4331/4431  
REGISTER 10-5: PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2  
R/W-0  
U-0  
U-0  
R/W-0  
EEIF  
U-0  
R/W-0  
LVDIF  
U-0  
R/W-0  
OSCFIF  
CCP2IF  
bit 7  
bit 0  
Legend:  
R = Readable bit  
-n = Value at POR  
W = Writable bit  
‘1’ = Bit is set  
U = Unimplemented bit, read as ‘0’  
‘0’ = Bit is cleared x = Bit is unknown  
bit 7  
OSCFIF: Oscillator Fail Interrupt Flag bit  
1= Device oscillator failed, clock input has changed to INTOSC (must be cleared in software)  
0= Device clock operating  
bit 6-5  
bit 4  
Unimplemented: Read as ‘0’  
EEIF: EEPROM or Flash Write Operation Interrupt Flag bit  
1= The write operation is complete (must be cleared in software)  
0= The write operation is not complete or has not been started  
bit 3  
bit 2  
Unimplemented: Read as ‘0’  
LVDIF: Low-Voltage Detect Interrupt Flag bit  
1= The supply voltage has fallen below the specified LVD voltage (must be cleared in software)  
0= The supply voltage is greater than the specified LVD voltage  
bit 1  
bit 0  
Unimplemented: Read as ‘0’  
CCP2IF: CCP2 Interrupt Flag bit  
Capture mode:  
1= A TMR1 register capture occurred (must be cleared in software)  
0= No TMR1 register capture occurred  
Compare mode:  
1= A TMR1 register compare match occurred (must be cleared in software)  
0= No TMR1 register compare match occurred  
PWM mode:  
Not used in this mode.  
2010 Microchip Technology Inc.  
DS39616D-page 103  
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