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DSP56857 Datasheet(PDF) 526 Page - Freescale Semiconductor, Inc

Part # DSP56857
Description  Digitial Signal Controller
PDF  662 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56857 Datasheet(HTML) 526 Page - Freescale Semiconductor, Inc

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Application:
Date:
Programmer:
Sheet
C
5685X Digital Signal Controller User Manual, Rev. 4
B-24
Freescale Semiconductor
4 of 24
ITCN
Interrupt Priority Register 2 (IPR2) continued
Interrupt Priority
Register 2 (IPR2)
$1FFF20 + $2
Bits
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
DMA2 IPL
DMA1 IPL
DMA0 IPL
0
0
LOCK IPL
0
0
IRQB IPL
IRQA IPL
Write
Reset
0
0
0
0
0
0
0000
0000
00
Bits
Name
Description
7 - 6
LOCK IPL
Loss of Lock Interrupt Priority Level
This bit field is used to set the interrupt priority levels for this peripheral IRQ.
00
IRQ disabled by default
01
IRQ is priority level 1
10
IRQ is priority level 2
11
IRQ is priority level 3
3 - 2
IRQB IPL
External IRQB Interrupt Priority Level
This bit field is used to set the interrupt priority levels for this peripheral IRQ.
00
IRQ disabled by default
01
IRQ is priority level 1
10
IRQ is priority level 2
11
IRQ is priority level 3
1 - 0
IRQA IPL
External IRQA Interrupt Priority Level
This bit field is used to set the interrupt priority levels for this peripheral IRQ.
00
IRQ disabled by default
01
IRQ is priority level 1
10
IRQ is priority level 2
11
IRQ is priority level 3
denotes Reserved Bits



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