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PIC16F753 数据表(PDF) 20 Page - Microchip Technology

部件名 PIC16F753
功能描述  14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers
PDF  230 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC16F753 数据表(HTML) 20 Page - Microchip Technology

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PIC16F753/HV753
DS40001709C-page 20
 2013-2015 Microchip Technology Inc.
2.3.6
PIR1 REGISTER
The PIR1 register contains the Peripheral Interrupt flag
bits, as shown in Register 2-6.
Note:
Interrupt flag bits are set when an interrupt
condition occurs, regardless of the state of
its corresponding enable bit or the Global
Enable bit, GIE of the INTCON register.
User
software
should
ensure
the
appropriate interrupt flag bits are clear prior
to enabling an interrupt.
REGISTER 2-6:
PIR1: PERIPHERAL INTERRUPT REQUEST REGISTER 1
R/W-0
R/W-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
TMR1GIF
ADIF
—
—
HLTMR2IF
HLTMR1IF
TMR2IF
TMR1IF
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
TMR1GIF: TMR1 Gate Interrupt Flag bit
1
= Timer1 gate interrupt is pending
0
= Timer1 gate interrupt is not pending
bit 6
ADIF: ADC Interrupt Flag bit
1
= ADC conversion complete
0
= ADC conversion has not completed or has not been started
bit 5-4
Unimplemented: Read as ‘0’
bit 3
HLTMR2IF: HLT2 to HLTPR2 Match Interrupt Flag bit
1
= HLT2 to HLTPR2 match occurred (must be cleared in software)
0
= HLT2 to HLTPR2 match did not occur
bit 2
HLTMR1IF: HLT1 to HLTPR1 Match Interrupt Flag bit
1
= HLT1 to HLTPR1 match occurred (must be cleared in software)
0
= HLT1 to HLTPR1 match did not occur
bit 1
TMR2IF: Timer2 to PR2 Match Interrupt Flag bit
1
= Timer2 to PR2 match occurred (must be cleared in software)
0
= Timer2 to PR2 match did not occur
bit 0
TMR1IF: Timer1 Interrupt Flag bit
1
= Timer1 rolled over (must be cleared in software)
0
= Timer1 has not rolled over



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