2006 Microchip Technology Inc.
DS41159E-page 83
PIC18FXX8
REGISTER 8-5:
PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2
U-0
R/W-0
U-0
R/W-0
—CMIF(1)
EEIF
BCLIF
LVDIF
TMR3IF
ECCP1IF(1)
bit 7
bit 0
bit 7
Unimplemented: Read as ‘0’
bit 6
CMIF: Comparator Interrupt Flag bit(1)
1
= Comparator input has changed
0
= Comparator input has not changed
bit 5
Unimplemented: Read as ‘0’
bit 4
EEIF: EEPROM Write Operation Interrupt Flag bit
1
= Write operation is complete (must be cleared in software)
0
= Write operation is not complete
bit 3
BCLIF: Bus Collision Interrupt Flag bit
1
= A bus collision occurred (must be cleared in software)
0
= No bus collision occurred
bit 2
LVDIF: Low-Voltage Detect Interrupt Flag bit
1
= A low-voltage condition occurred (must be cleared in software)
0
= The device voltage is above the Low-Voltage Detect trip point
bit 1
TMR3IF: TMR3 Overflow Interrupt Flag bit
1
= TMR3 register overflowed (must be cleared in software)
0
= TMR3 register did not overflow
bit 0
ECCP1IF: ECCP1 Interrupt Flag bit(1)
Capture mode:
1
= A TMR1 (TMR3) register capture occurred (must be cleared in software)
0
= No TMR1 (TMR3) 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.
Note 1: This bit is only available on PIC18F4X8 devices. For PIC18F2X8 devices, this bit
is unimplemented and reads as ‘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
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