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16F1828 数据表(PDF) 97 Page - Microchip Technology

部件名 16F1828
功能描述  28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology
PDF  419 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

16F1828 数据表(HTML) 97 Page - Microchip Technology

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 2010 Microchip Technology Inc.
Preliminary
DS41419B-page 97
PIC16(L)F1824/1828
8.5.5
PIR1 REGISTER
The PIR1 register contains the interrupt flag bits, as
shown in Register 8-5.
Note:
Interrupt flag bits are set when an interrupt
condition occurs, regardless of the state of
its corresponding enable bit or the Global
Interrupt Enable bit, GIE, of the INTCON
register. User software should ensure the
appropriate interrupt flag bits are clear prior
to enabling an interrupt.
REGISTER 8-5:
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
RCIF
TXIF
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
RCIF:
USART Receive Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 4
TXIF:
USART Transmit Interrupt Flag bit
1
= Interrupt is pending
0
= Interrupt is not pending
bit 3
SSP1IF:
Synchronous Serial Port (MSSP) 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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