參數(shù)資料
型號: S568013MFA00E
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 8 MHz, OTHER DSP, PQFP32
封裝: ROHS COMPLIANT, LQFP-32
文件頁數(shù): 81/125頁
文件大?。?/td> 1702K
代理商: S568013MFA00E
Register Descriptions
56F8013/56F8011 Data Sheet, Rev. 11
Freescale Semiconductor
59
5.5.8.1
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.
5.5.9
Fast Interrupt 0 Vector Address High Register (FIVAH0)
Figure 5-11 Fast Interrupt 0 Vector Address High Register (FIVAH0)
5.5.9.1
Reserved—Bits 15–5
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.5.9.2
Fast Interrupt 0 Vector Address High (FIVAH0)—Bits 4–0
The upper five bits of the vector address used for Fast Interrupt 0. This register is combined with FIVAL0
to form the 21-bit vector address for Fast Interrupt 0 defined in the FIM0 register.
5.5.10
Fast Interrupt 1 Match Register (FIM1)
Figure 5-12 Fast Interrupt 1 Match Register (FIM1)
5.5.10.1
Reserved—Bits 15–6
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.5.10.2
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.
Base + $8
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
Base + $9
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
FAST INTERRUPT 1
Write
RESET
00000
0000000
0000
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