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PIC12F615-E/P 数据表(PDF) 21 Page - Microchip Technology

部件名 PIC12F615-E/P
功能描述  8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
PDF  168 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC12F615-E/P 数据表(HTML) 21 Page - Microchip Technology

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© 2006 Microchip Technology Inc.
Preliminary
DS41302A-page 19
PIC12F609/615/12HV609/615
2.2.2.5
PIR1 Register
The PIR1 register contains the Peripheral Interrupt flag
bits, as shown in Register 2-5.
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 2-5:
PIR1: PERIPHERAL INTERRUPT REQUEST REGISTER 1
U-0
R/W-0
R/W-0
U-0
R/W-0
U-0
R/W-0
R/W-0
—ADIF(1)
CCP1IF(1)
—CMIF
—TMR2IF(1)
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
Unimplemented: Read as ‘0’
bit 6
ADIF: A/D Interrupt Flag bit(1)
1
= A/D conversion complete
0
= A/D conversion has not completed or has not been started
bit 5
CCP1IF: CCP1 Interrupt Flag bit(1)
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:
Unused in this mode
bit 4
Unimplemented: Read as ‘0’
bit 3
CMIF: Comparator Interrupt Flag bit
1
= Comparator output has changed (must be cleared in software)
0
= Comparator output has not changed
bit 2
Unimplemented: Read as ‘0’
bit 1
TMR2IF: Timer2 to PR2 Match Interrupt Flag bit(1)
1
= Timer2 to PR2 match occurred (must be cleared in software)
0
= Timer2 to PR2 match has not occurred
bit 0
TMR1IF: Timer1 Overflow Interrupt Flag bit
1
= Timer1 register overflowed (must be cleared in software)
0
= Timer1 has not overflowed
Note 1: PIC12F615/HV615 only. PIC12F609/HV609 unimplemented, read as ‘0’.



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