PIC18F23K20 MICROCHIP [Microchip Technology], PIC18F23K20 Datasheet - Page 116

• Manufacturer Part Number: PIC18F23K20
• Description: 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2XK20/4XK20
9.7
The IPR registers contain the individual priority bits for the
peripheral interrupts. Due to the number of peripheral
interrupt sources, there are two Peripheral Interrupt
Priority registers (IPR1 and IPR2). Using the priority bits
requires that the Interrupt Priority Enable (IPEN) bit be
set.
REGISTER 9-8:
DS41303G-page 116
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1: The PSPIF bit is unimplemented on 28-pin devices and will read as ‘0’.
PSPIP
R/W-1
IPR Registers
(1)
PSPIP: Parallel Slave Port Read/Write Interrupt Priority bit
1 = High priority
0 = Low priority
ADIP: A/D Converter Interrupt Priority bit
1 = High priority
0 = Low priority
RCIP: EUSART Receive Interrupt Priority bit
1 = High priority
0 = Low priority
TXIP: EUSART Transmit Interrupt Priority bit
1 = High priority
0 = Low priority
SSPIP: Master Synchronous Serial Port Interrupt Priority bit
1 = High priority
0 = Low priority
CCP1IP: CCP1 Interrupt Priority bit
1 = High priority
0 = Low priority
TMR2IP: TMR2 to PR2 Match Interrupt Priority bit
1 = High priority
0 = Low priority
TMR1IP: TMR1 Overflow Interrupt Priority bit
1 = High priority
0 = Low priority
R/W-1
ADIP
IPR1: PERIPHERAL INTERRUPT PRIORITY REGISTER 1
W = Writable bit
‘1’ = Bit is set
R/W-1
RCIP
R/W-1
TXIP
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
SSPIP
R/W-1
(1)
CCP1IP
R/W-1
 2010 Microchip Technology Inc.
x = Bit is unknown
TMR2IP
R/W-1
TMR1IP
R/W-1
bit 0