參數(shù)資料
型號(hào)： MC56F8322VFAE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號(hào)處理
英文描述： 0-BIT, 120 MHz, OTHER DSP, PQFP48
封裝： ROHS COMPLIANT, LQFP-48
文件頁數(shù)： 108/136頁
文件大?。?/td> 719K
代理商： MC56F8322VFAE
Register Descriptions
56F8322 Technical Data, Rev. 16
Freescale Semiconductor
73
Preliminary
5.6.12
Fast Interrupt 0 Match Register (FIM0)
Figure 5-14 Fast Interrupt 0 Match Register (FIM0)
5.6.12.1
Reserved—Bits 15–7
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.12.2
Fast Interrupt 0 Vector Number (FAST INTERRUPT 0)—Bits 6–0
This value determines which IRQ will be a Fast Interrupt 0. 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; see Section 5.3.3 for details. 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. Fast interrupts automatically become
the highest-priority level 2 interrupt, regardless of their 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 Table 4-3.
5.6.13
Fast Interrupt 0 Vector Address Low Register (FIVAL0)
Figure 5-15 Fast Interrupt 0 Vector Address Low Register (FIVAL0)
5.6.13.1
Fast Interrupt 0 Vector Address Low (FIVAL0)—Bits 15–0
The lower 16 bits of the vector address used for Fast Interrupt 0. This register is combined with FIVAH0
to form the 21-bit vector address for Fast Interrupt 0 defined in the FIM0 register.
5.6.14
Fast Interrupt 0 Vector Address High Register (FIVAH0)
Figure 5-16 Fast Interrupt 0 Vector Address High Register (FIVAH0)
5.6.14.1
Reserved—Bits 15–5
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
Base + $B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
FAST INTERRUPT 0
Write
RESET
00000
0000000
0000
Base + $C
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
FAST INTERRUPT 0 VECTOR ADDRESS LOW
Write
RESET
00000
0000000
0000
Base + $D
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
FAST INTERRUPT 0 VECTOR
ADDRESS HIGH
Write
RESET
00000
0000000
0000
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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