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2011 Microchip Technology Inc.
DS39931D-page 121
PIC18F46J50 FAMILY
REGISTER 9-5:
PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2 (ACCESS FA1h)
R/W-0
OSCFIF
CM2IF
CM1IF
USBIF
BCL1IF
HLVDIF
TMR3IF
CCP2IF
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
OSCFIF:
Oscillator Fail Interrupt Flag bit
1
= Device oscillator failed, clock input has changed to INTOSC (must be cleared in software)
0
= Device clock is operating
bit 6
CM2IF:
Comparator 2 Interrupt Flag bit
1
= Comparator input has changed (must be cleared in software)
0
= Comparator input has not changed
bit 5
CM1IF:
Comparator 1 Interrupt Flag bit
1
= Comparator input has changed (must be cleared in software)
0
= Comparator input has not changed
bit 4
USBIF:
USB Interrupt Flag bit
1
= USB has requested an interrupt (must be cleared in software)
0
= No USB interrupt request
bit 3
BCL1IF:
Bus Collision Interrupt Flag bit (MSSP1 module)
1
= A bus collision occurred (must be cleared in software)
0
= No bus collision occurred
bit 2
HLVDIF/LVDIF:
High/Low-Voltage Detect (HLVD) Interrupt Flag bit
1
= A High/Low-Voltage Detect condition occurred (must be cleared in software)
0
= An HLVD event has not occurred
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
CCP2IF:
ECCP2 Interrupt Flag bit
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/TMR3 register compare match occurred (must be cleared in software)
0
= No TMR1/TMR3 register compare match occurred
PWM mode:
Unused in this mode.
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