PIC18F97J60 Datasheet, PDF (132/474 Pages) Microchip Technology – 64/80/100-Pin, High-Performance, 1 Mbit Flash Microcontrollers with Ethernet

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9.4 IPR Registers
The IPR registers contain the individual priority bits for
the peripheral interrupts. Due to the number of
peripheral interrupt sources, there are three Peripheral
Interrupt Priority registers (IPR1, IPR2, IPR3). Using
the priority bits requires that the Interrupt Priority
Enable (IPEN) bit be set.
REGISTER 9-10: IPR1: PERIPHERAL INTERRUPT PRIORITY REGISTER 1
R/W-1
PSPIP⁽¹⁾
bit 7
R/W-1
ADIP
R/W-1
RC1IP
R/W-1
TX1IP
R/W-1
SSP1IP
R/W-1
CCP1IP
R/W-1
TMR2IP
R/W-1
TMR1IP
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
PSPIP: Parallel Slave Port Read/Write Interrupt Priority bit⁽¹⁾
1 = High priority
0 = Low priority
bit 6
ADIP: A/D Converter Interrupt Priority bit
1 = High priority
0 = Low priority
bit 5
RC1IP: EUSART1 Receive Interrupt Priority bit
1 = High priority
0 = Low priority
bit 4
TX1IP: EUSART1 Transmit Interrupt Priority bit
1 = High priority
0 = Low priority
bit 3
SSP1IP: Master Synchronous Serial Port 1 Interrupt Priority bit
1 = High priority
0 = Low priority
bit 2
CCP1IP: ECCP1 Interrupt Priority bit
1 = High priority
0 = Low priority
bit 1
TMR2IP: TMR2 to PR2 Match Interrupt Priority bit
1 = High priority
0 = Low priority
bit 0
TMR1IP: TMR1 Overflow Interrupt Priority bit
1 = High priority
0 = Low priority
Note 1: Implemented in 100-pin devices in Microcontroller mode only.
DS39762A-page 130
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© 2006 Microchip Technology Inc.