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参数资料
| 型号： | MA300014 |
| 厂商： | Microchip Technology |
| 文件页数： | 18/92页 |
| 文件大小： | 0K |
| 描述： | MODULE DSPIC30F SAMPLE 80QFP |
| 标准包装： | 1 |
| 附件类型： | 插拔式模块（PIM）- dsPIC30F6014A |
| 适用于相关产品： | dsPICDEM 板（DM300014 或 DM300019） |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
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dsPIC30F
6.0
EXCEPTION PROCESSING
Each individual interrupt source has its own vector
address and can be individually enabled and prioritized
The dsPIC30F has four processor exceptions (traps)
and up to 45 sources of interrupts, which must be
arbitrated based on a priority scheme.
The processor core is responsible for reading the
Interrupt Vector Table (IVT) and transferring the
address contained in the interrupt vector to the
program counter.
The Interrupt Vector Table (IVT) and Alternate Interrupt
Vector Table (AIVT) are placed near the beginning of
program memory (0x000004) for ease of debugging.
The interrupt controller hardware pre-processes the
interrupts before they are presented to the CPU.
The interrupts and traps are enabled, prioritized and
controlled using centralized Special Function
Registers.
in user software. Each interrupt source also has its own
status flag. This independent control and monitoring of
the interrupt eliminates the need to poll various status
flags to determine the interrupt source
vector.
Certain interrupts have specialized control bits for
features like edge or level triggered interrupts,
interrupt-on-change, etc. Control of these features
remains within the Peripheral module, which
generates the interrupt.
The special DISI instruction can be used to disable
the processing of interrupts of priorities 6 and lower for
a certain number of instruction cycles, during which
the DISI bit remains set.
TABLE 6-1:
INTERRUPT VECTORS
Vector
Number
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
DS70043F-page 16
IVT Address
0x000014
0x000016
0x000018
0x00001A
0x00001C
0x00001E
0x000020
0x000022
0x000024
0x000026
0x000028
0x00002A
0x00002C
0x00002E
0x000030
0x000032
0x000034
0x000036
0x000038
0x00003A
0x00003C
0x00003E
0x000040
0x000042
0x000044
0x000046
0x000048
0x00004A
AIVT Address
0x000094
0x000096
0x000098
0x00009A
0x00009C
0x00009E
0x0000A0
0x0000A2
0x0000A4
0x0000A6
0x0000A8
0x0000AA
0x0000AC
0x0000AE
0x0000B0
0x0000B2
0x0000B4
0x0000B6
0x0000B8
0x0000BA
0x0000BC
0x0000BE
0x0000C0
0x0000C2
0x0000C4
0x0000C6
0x0000C8
0x0000CA
Interrupt Source
INT0 – External Interrupt 0
IC1 – Input Compare 1
OC1 – Output Compare 1
T1 – Timer1
IC2 – Input Capture 2
OC2 – Output Compare 2
T2 – Timer2
T3 – Timer3
SPI1
U1RX – UART1 Receiver
U1TX – UART1 Transmitter
ADC – ADC Convert Done
NVM – NVM Write Complete
I2C Slave Operation – Message Detect
I2C Master Operation – Message Event Complete
Change Notice Interrupt
INT1 – External Interrupt 1
IC7 – Input Capture 7
IC8 – Input Capture 8
OC3 – Output Compare 3
OC4 – Output Compare 4
T4 – Timer4
T5 – Timer5
INT2 – External Interrupt 2
U2RX – UART2 Receiver
U2TX – UART2 Transmitter
SPI2
CAN1
? 2005 Microchip Technology Inc.
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