Register Descriptions
•
•
10 = IRQ is priority level 1
11 = IRQ is priority level 2
5.6.4
Interrupt Priority Register 3 (IPR3)
Base + $3
Read
15
14
13
12 11 10
9
8
7
6
5
4
3
2
1
0
0
0
GPIOD
IPL
GPIOE
GPIOF
IPL
FCMSGBUF IPL
FCWKUP IPL
FCERR IPL
FCBOFF IPL
IPL
Write
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RESET
Figure 5-6 Interrupt Priority Register 3 (IPR3)
GPIOD Interrupt Priority Level (GPIOD IPL)—Bits 15–14
5.6.4.1
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.
They are disabled by default.
•
•
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 0
10 = IRQ is priority level 1
11 = IRQ is priority level 2
5.6.4.2
GPIOE Interrupt Priority Level (GPIOE IPL)—Bits 13–12
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.
They are disabled by default.
•
•
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 0
10 = IRQ is priority level 1
11 = IRQ is priority level 2
5.6.4.3
GPIOF Interrupt Priority Level (GPIOF IPL)—Bits 11–10
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.
They are disabled by default.
•
•
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 0
10 = IRQ is priority level 1
11 = IRQ is priority level 2
5.6.4.4
FlexCAN Message Buffer Interrupt Priority Level (FCMSGBUF IPL)—
Bits 9–8
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.
They are disabled by default.
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
Preliminary
83
FREESCALE [ Freescale ]
