參數(shù)資料
型號： MC56F8157
廠商： Electronic Theatre Controls, Inc.
英文描述： 16-BIT HYBRID CONTROLLERS
中文描述： 16位混合控制器
文件頁數(shù)： 43/172頁
文件大?。?/td> 2444K
代理商： MC56F8157
Interrupt Vector Table
56F8357 Technical Data, Rev. 8.0
Freescale Semiconductor
Preliminary
43
4.3 Interrupt Vector Table
Table 4-5
provides the reset and interrupt priority structure, including on-chip peripherals. The table is
organized with higher-priority vectors at the top and lower-priority interrupts lower in the table. The
priority of an interrupt can be assigned to different levels, as indicated, allowing some control over
interrupt priorities. All level 3 interrupts will be serviced before level 2, and so on. For a selected priority
level, the lowest vector number has the highest priority.
The location of the vector table is determined by the Vector Base Address (VBA) register. Please see
Part
5.6.11
for the reset value of the VBA.
In some configurations, the reset address and COP reset address will correspond to vector 0 and 1 of the
interrupt vector table. In these instances, the first two locations in the vector table must contain branch or
JMP instructions. All other entries must contain JSR
instructions.
Note:
PWMA, FlexCAN, Quadrature Decoder 1, and Quad Timers B and D are NOT available on the
56F8157 device.
Table 4-5 Interrupt Vector Table Contents
1
Peripheral
Vector
Number
Priority
Level
Vector Base
Address +
Interrupt Function
Reserved for Reset Overlay
2
Reserved for COP Reset Overlay
2
Illegal Instruction
SW Interrupt 3
HW Stack Overflow
Misaligned Long Word Access
OnCE Step Counter
OnCE Breakpoint Unit 0
Reserved
OnCE Trace Buffer
OnCE Transmit Register Empty
OnCE Receive Register Full
Reserved
SW Interrupt 2
SW Interrupt 1
SW Interrupt 0
IRQA
IRQB
Reserved
Low-Voltage Detector (power sense)
PLL
core
core
core
core
core
core
2
3
4
5
6
7
3
3
3
3
P:$04
P:$06
P:$08
P:$0A
P:$0C
P:$0E
1-3
1-3
core
core
core
9
1-3
1-3
1-3
P:$12
P:$14
P:$16
10
11
core
core
core
core
core
14
15
16
17
18
2
1
0
P:$1C
P:$1E
P:$20
P:$22
P:$24
0-2
0-2
LVI
PLL
20
21
0-2
0-2
P:$28
P:$2A
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