參數(shù)資料
型號: HD404618FS
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數(shù): 19/89頁
文件大?。?/td> 358K
代理商: HD404618FS
HD404618 Series
19
Table 3 Interrupt Processing and Activation Conditions
Interrupt Source
Interrupt
Control Bit
INT
0
IE
IF0·
IM0
IF1·
IM1
IFTA·
IMTA
IFTB·
IMTB
IFTC·
IMTC
IFS·
IMS
Note: Bits marked by
*
can be either 0 or 1. Their values have no effect on operation.
INT
1
1
Timer A
Timer B
Timer C
Serial
1
1
1
1
1
1
0
0
0
0
0
*
1
0
0
0
0
*
*
1
0
0
0
*
*
*
1
0
0
*
*
*
*
1
0
*
*
*
*
*
1
Instruction cycles
1
2
3
4
5
6
Instruction
execution
*
IE reset
Interrupt
acceptance
Execution of JMPL
instruction at vector address
Execution of
instruction at
start address
of interrupt
routine
Vector address
generation
Note:
*
The stack is accessed and the IE reset after the instruction
is executed, even if it is a two-cycle instruction.
Stacking
Figure 8 Interrupt Processing Sequence
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