參數(shù)資料
型號: 56F8014
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 57/124頁
文件大?。?/td> 1878K
代理商: 56F8014
Register Descriptions
56F8014 Technical Data, Rev. 3
Freescale Semiconductor
Preliminary
57
5.6.10
Fast Interrupt 1 Match Register (FIM1)
Figure 5-12 Fast Interrupt 1 Match Register (FIM1)
5.6.10.1 Reserved—Bits 15–6
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.10.2 Fast Interrupt 1 Vector Number (FAST INTERRUPT 1)—Bits 5–0
These values determine which IRQ will be Fast Interrupt 1. Fast Interrupts vector directly to a service
routine based on values in the Fast Interrupt Vector Address registers without having to go to a jump table
first. IRQs used as Fast Interrupts
must
be set to priority level 2. Unexpected results will occur if a Fast
Interrupt vector is set to any other priority. A Fast Interrupt automatically becomes the highest-priority
level 2 interrupt regardless of its location in the interrupt table prior to being declared as Fast Interrupt.
Fast Interrupt 0 has priority over Fast Interrupt 1. To determine the vector number of each IRQ, refer to
the vector table.
5.6.11
Fast Interrupt 1 Vector Address Low Register (FIVAL1)
Figure 5-13 Fast Interrupt 1 Vector Address Low Register (FIVAL1)
5.6.11.1 Fast Interrupt 1 Vector Address Low (FIVAL1)—Bits 15–0
The lower 16 bits of the vector address used for Fast Interrupt 1. This register is combined with FIVAH1
to form the 21-bit vector address for Fast Interrupt 1 defined in the FIM1 register.
5.6.12
Fast Interrupt 1 Vector Address High Register (FIVAH1)
Figure 5-14 Fast Interrupt 1 Vector Address High Register (FIVAH1)
5.6.12.1 Reserved—Bits 15–5
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
Base + $9
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
Write
RESET
0
0
0
0
0
0
0
0
0
0
FAST INTERRUPT 1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Base + $A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
Write
RESET
FAST INTERRUPT 1 VECTOR ADDRESS LOW
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Base + $B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
Write
RESET
0
0
0
0
0
0
0
0
0
0
0
FAST INTERRUPT 1 VECTOR
ADDRESS HIGH
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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