Microchip Technology AC164139 Data Sheet
2010 Microchip Technology Inc.
DS39969B-page 135
PIC24FJ256DA210 FAMILY
REGISTER 7-38:
IPC21: INTERRUPT PRIORITY CONTROL REGISTER 21
U-0
R/W-1
R/W-0
R/W-0
U-0
R/W-1
R/W-0
R/W-0
—
U4ERIP2
U4ERIP1
U4ERIP0
—
USB1IP2
USB1IP1
USB1IP0
bit 15
bit 8
U-0
R/W-1
R/W-0
R/W-0
U-0
R/W-1
R/W-0
R/W-0
—
MI2C3IP2
MI2C3IP1
MI2C3IP0
—
SI2C3IP2
SI2C3IP1
SI2C3IP0
bit 7
bit 0
Legend:
R = Readable bit
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 15
Unimplemented: Read as ‘0’
bit 14-12
U4ERIP<2:0>: UART4 Error Interrupt Priority bits
111
= Interrupt is priority 7 (highest priority interrupt)
•
•
•
•
•
001
= Interrupt is priority 1
000
= Interrupt source is disabled
bit 11
Unimplemented: Read as ‘0’
bit 10-8
USB1IP<2:0>: USB1 (USB OTG) Interrupt Priority bits
111
= Interrupt is priority 7 (highest priority interrupt)
•
•
•
•
•
001
= Interrupt is priority 1
000
= Interrupt source is disabled
bit 7
Unimplemented: Read as ‘0’
bit 6-4
MI2C3IP<2:0>: Master I2C3 Event Interrupt Priority bits
111
= Interrupt is priority 7 (highest priority interrupt)
•
•
•
•
•
001
= Interrupt is priority 1
000
= Interrupt source is disabled
bit 3
Unimplemented: Read as ‘0’
bit 2-0
SI2C3IP<2:0>: Slave I2C3 Event Interrupt Priority bits
111
= Interrupt is priority 7 (highest priority interrupt)
•
•
•
•
•
001
= Interrupt is priority 1
000
= Interrupt source is disabled