參數(shù)資料
型號： UPD784037Y
廠商： NEC Corp.
英文描述： 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 16-/8-bit的單晶片微控制器
文件頁數(shù)： 48/94頁
文件大?。?/td> 503K
代理商： UPD784037Y
μ
PD784035Y, 784036Y, 784037Y, 784038Y
48
8.2
Vectored Interrupt
Execution branches to a servicing routing by using the memory contents of a vector table address corresponding
to the interrupt source as the address of the branch destination.
So that the CPU performs interrupt servicing, the following operations are performed:
On branching: Saves the status of the CPU (contents of PC and PSW) to stack
On returning: Restores the status of the CPU (contents of PC and PSW) from stack
To return to the main routine from an interrupt service routine, the RETI instruction is used.
The branch destination address is in a range of 0 to FFFFH.
Table 8-3. Vector Table Address
Interrupt Source
Vector Table Address
BRK instruction
003EH
Operand error
003CH
NMI
0002H
WDT
0004H
INTP0
0006H
INTP1
0008H
INTP2
000AH
INTP3
000CH
INTC00
000EH
INTC01
0010H
INTC10
0012H
INTC11
0014H
INTC20
0016H
INTC21
0018H
INTC30
001AH
INTP4
001CH
INTP5
001EH
INTAD
0020H
INTSER
0022H
INTSR
0024H
INTCSI1
INTST
0026H
INTCSI
0028H
INTSER2
002AH
INTSR2
002CH
INTCSI2
INTST2
002EH
INTSPC
0030H
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