PIC18CXX8
REGISTER 7-5: PIR REGISTERS (CONT’D)
PIR2
bit 7
bit 6
bit 5-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as’0’
CMIF: Comparator Interrupt Flag bit
1 = Comparator input has changed
0 = Comparator input has not changed
Unimplemented: Read as’0’
BCLIF: Bus Collision Interrupt Flag bit
1 = A Bus Collision occurred
(must be cleared in software)
0 = No Bus Collision occurred
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
TMR3IF: TMR3 Overflow Interrupt Flag bit
1 = TMR3 register overflowed
(must be cleared in software)
0 = TMR3 register did not overflow
CCP2IF: CCPx Interrupt Flag bit
Capture Mode
1 = A TMR1 register capture occurred
(must be cleared in software)
0 = No TMR1 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
DS30475A-page 82
Advanced Information
2000 Microchip Technology Inc.