mc56f8335 Freescale Semiconductor, Inc, mc56f8335 Datasheet - Page 76

• Manufacturer Part Number: mc56f8335
• Description: 16-bit Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

5.6.1
5.6.1.1
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.1.2
This field is used to set the interrupt priority levels for IRQs. This IRQ is limited to priorities 1 through 3.
It is disabled by default.
5.6.1.3
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.
5.6.1.4
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.2
76
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•
•
•
•
•
•
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Base + $0
Base + $1
RESET
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
RESET
Read
Write
Read
Write
Interrupt Priority Register 0 (IPR0)
Interrupt Priority Register 1 (IPR1)
Reserved—Bits 15–14
EOnCE Breakpoint Unit 0 Interrupt Priority Level (BKPT_U0 IPL)—
Bits13–12
EOnCE Step Counter Interrupt Priority Level (STPCNT IPL)—
Bits 11–10
Reserved—Bits 9–0
15
15
0
0
0
0
14
14
0
0
0
0
Figure 5-3 Interrupt Priority Register 0 (IPR0)
Figure 5-4 Interrupt Priority Register 1 (IPR1)
Figure 5-2 ITCN Register Map Summary
BKPT_U0IPL
13
13
0
0
0
12
12
0
0
0
56F8335 Technical Data, Rev. 5
11
STPCNT IPL
0
0
11
0
10
0
0
10
0
9
0
0
9
0
0
8
0
0
8
0
0
7
0
0
7
0
0
6
0
0
6
0
0
RX_REG IPL
5
0
5
0
0
4
0
4
0
0
TX_REG IPL
3
0
3
0
0
Freescale Semiconductor
2
0
2
0
0
TRBUF IPL
1
0
1
0
0
Preliminary
0
0
0
0
0