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PIC16F87X
DS30292C-page 24
2001 Microchip Technology Inc.
2.2.2.7
PIR2 Register
The PIR2 register contains the flag bits for the CCP2
interrupt, the SSP bus collision interrupt and the
EEPROM write operation interrupt.
.
REGISTER 2-7:
PIR2 REGISTER (ADDRESS 0Dh)
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 (INTCON<7>). User soft-
ware should ensure the appropriate inter-
rupt flag bits are clear prior to enabling an
interrupt.
U-0
R/W-0
U-0
R/W-0
U-0
R/W-0
—
Reserved
—
EEIF
BCLIF
—
CCP2IF
bit 7
bit 0
bit 7
Unimplemented: Read as '0'
bit 6
Reserved: Always maintain this bit clear
bit 5
Unimplemented: Read as '0'
bit 4
EEIF: EEPROM Write Operation Interrupt Flag bit
1
= The write operation completed (must be cleared in software)
0
= The write operation is not complete or has not been started
bit 3
BCLIF: Bus Collision Interrupt Flag bit
1
= A bus collision has occurred in the SSP, when configured for I2C Master mode
0
= No bus collision has occurred
bit 2-1
Unimplemented: Read as '0'
bit 0
CCP2IF: CCP2 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
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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