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PIC16F1526 Datasheet(PDF) 85 Page - Microchip Technology

Part # PIC16F1526
Description  64-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  354 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1526 Datasheet(HTML) 85 Page - Microchip Technology

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 2011 Microchip Technology Inc.
Preliminary
DS41458A-page 85
PIC16(L)F1526/27
7.6.6
PIR1 REGISTER
The PIR1 register contains the interrupt flag bits, as
shown in Register 7-6.
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 7-6:
PIR1: PERIPHERAL INTERRUPT REQUEST REGISTER 1
R/W-0/0
R/W-0/0
R-0/0
R-0/0
R/W-0/0
R/W-0/0
R/W-0/0
R/W-0/0
TMR1GIF
ADIF
RC1IF
TX1IF
SSP1IF
CCP1IF
TMR2IF
TMR1IF
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
TMR1GIF:
Timer1 Gate Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 6
ADIF:
A/D Converter Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 5
RC1IF:
USART1 Receive Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 4
TX1IF:
USART1 Transmit Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 3
SSP1IF:
Synchronous Serial Port (MSSP1) Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 2
CCP1IF:
CCP1 Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 1
TMR2IF:
Timer2 to PR2 Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 0
TMR1IF:
Timer1 Overflow Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending



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