Register Descriptions
5.6.1.6
EOnCE Breakpoint Unit Interrupt Priority Level
(BKPT_U IPL)— Bits 3–2
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 1 through 3.
It is disabled by default.
•
•
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
5.6.1.7
EOnCE Step Counter Interrupt Priority Level
(STPCNT IPL)— Bits 1–0
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 1 through 3.
It is disabled by default.
•
•
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
5.6.2
Interrupt Priority Register 1 (IPR1)
Base + $1
Read
15
14
13
12
11
10
9
0
8
0
7
6
5
4
3
2
1
0
0
GPIOB IPL
GPIOC IPL
GPIOD IPL
FM_CBE IPL
FM_CC IPL
FM_ERR IPL
PLL IPL
Write
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RESET
Figure 5-4 Interrupt Priority Register 1 (IPR1)
GPIOB Interrupt Priority Level (GPIOB IPL)—Bits 15–14
5.6.2.1
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.
It is 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
5.6.2.2
GPIOC Interrupt Priority Level (GPIOC 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.
It is 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
56F8014 Technical Data, Rev. 9
Freescale Semiconductor
Preliminary
49