参数资料
型号: MC56F8033VLC
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP32
封装: ROHS COMPLIANT, PLASTIC, LQFP-32
文件页数: 127/157页
文件大小: 2117K
代理商: MC56F8033VLC
Register Descriptions
56F8033/56F8023 Data Sheet, Rev. 6
Freescale Semiconductor
71
5.6.9
Fast Interrupt Match 0 Register (FIM0)
Figure 5-11 Fast Interrupt Match 0 Register (FIM0)
5.6.9.1
Reserved—Bits 15–6
This bit field is reserved. Each bit must be set to 0.
5.6.9.2
Fast Interrupt 0 Vector Number (FAST INTERRUPT 0)—Bits 5–0
These values determine which IRQ will be 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. 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.
5.6.10
Fast Interrupt 0 Vector Address Low Register (FIVAL0)
Figure 5-12 Fast Interrupt 0 Vector Address Low Register (FIVAL0)
5.6.10.1
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.
5.6.11
Fast Interrupt 0 Vector Address High Register (FIVAH0)
Figure 5-13 Fast Interrupt 0 Vector Address High Register (FIVAH0)
5.6.11.1
Reserved—Bits 15–5
This bit field is reserved. Each bit must be set to 0.
Base + $8
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 + $9
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 + $A
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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