Register Descriptions
•
•
10 = IRQ is priority level 2
11 = IRQ is priority level 3
5.6.3
Interrupt Priority Register 2 (IPR2)
Base + $2
Read
15
14
13
12
11
10
9
8
7
6
0
5
0
4
0
3
2
1
0
FMCBE IPL
FMCC IPL
FMERR IPL
LOCK IPL
LVI IPL
IRQB IPL
IRQA IPL
Write
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RESET
Figure 5-5 Interrupt Priority Register 2 (IPR2)
5.6.3.1
Flash Memory Command, Data, Address Buffers Empty Interrupt
Priority Level (FMCBE IPL)—Bits 15–14
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
5.6.3.2
Flash Memory Command Complete Priority Level (FMCC 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
5.6.3.3
Flash Memory Error Interrupt Priority Level (FMERR 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.
It is disabled by default.
•
•
00 = IRQ disabled (default)
01 = IRQ is priority level 0
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
Preliminary
81