PIC16F/LF1946/47
7.5.8
PIR3 REGISTER
The PIR3 register contains the interrupt flag bits, as
shown in Register 7-8.
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 7-8:
PIR3: PERIPHERAL INTERRUPT REQUEST REGISTER 3
R/W-0/0
R/W-0/0
CCP5IF
R/W-0/0
CCP4IF
R/W-0/0
CCP3IF
R/W-0/0
TMR6IF
R/W-0/0
—
R/W-0/0
TMR4IF
R/W-0/0
—
—
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
u = Bit is unchanged
‘1’ = Bit is set
x = Bit is unknown
‘0’ = Bit is cleared
bit 7
bit 6
Unimplemented: Read as ‘0’
CCP5IF: CCP5 Interrupt Flag bit
1= Interrupt is pending
0= Interrupt is not pending
bit 5
bit 4
bit 3
CCP4IF: CCP4 Interrupt Flag bit
1= Interrupt is pending
0= Interrupt is not pending
CCP3IF: CCP3 Interrupt Flag bit
1= Interrupt is pending
0= Interrupt is not pending
TMR6IF: TMR6 to PR6 Match Interrupt Flag bit
1= Interrupt is pending
0= Interrupt is not pending
bit 2
bit 1
Unimplemented: Read as ‘0’
TMR4IF: TMR4 to PR4 Match Interrupt Flag bit
1= Interrupt is pending
0= Interrupt is not pending
bit 0
Unimplemented: Read as ‘0’
DS41414A-page 96
Preliminary
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
