MC56F8345 Freescale Semiconductor, Inc, MC56F8345 Datasheet - Page 80

• Manufacturer Part Number: MC56F8345
• Description: 56f8300 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

5.6.2
5.6.2.1
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.2.2
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.
5.6.2.3
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.
5.6.2.4
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.
80
•
•
•
•
•
•
•
•
•
•
Base + $1
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
00 = IRQ disabled (default)
01 = IRQ is priority level 1
RESET
Read
Write
Interrupt Priority Register 1 (IPR1)
Reserved—Bits 15–6
EOnCE Receive Register Full Interrupt Priority Level
(RX_REG IPL)—Bits 5–4
EOnCE Transmit Register Empty Interrupt Priority Level
(TX_REG IPL)—Bits 3–2
EOnCE Trace Buffer Interrupt Priority Level (TRBUF IPL)—
Bits 1–0
15
0
0
14
0
0
Figure 5-4 Interrupt Priority Register 1 (IPR1)
13
0
0
12
0
0
56F8345 Technical Data, Rev. 17
11
0
0
10
0
0
9
0
0
8
0
0
7
0
0
6
0
0
RX_REG IPL
5
0
4
0
TX_REG IPL
3
0
Freescale Semiconductor
2
0
TRBUF IPL
1
0
Preliminary
0
0