参数资料
型号: HD404449H
元件分类: 微控制器/微处理器
英文描述: MROM, MICROCONTROLLER, PQFP80
封装: PLASTIC, QFP-80
文件页数: 15/33页
文件大小: 440K
代理商: HD404449H
HD404449 Series
20
Table 3
Interrupt Processing and Activation Conditions
Interrupt Source
Interrupt
Control Bit
INT
0
INT
1
Timer A
Timer B or
INT
2
Timer C or
INT
3
Timer D or
A/D
Serial 1 or
Serial 2
IE
11
1
11
IF0
. IM0
10
00
0
00
IF1
. IM1
*
10
000
0
IFTA
. IMTA
**
1
000
0
IFTB
. IMTB
+ IF2
. IM2
**
*
100
0
IFTC
. IMTC
+ IF3
. IM3
**
10
0
IFTD
. IMTD
+ IFAD
. IMAD
**
*
10
IFS1
. IMS1
+ IFS2
. IMS2
**
*
1
Note:
Bits marked * can be either 0 or 1. Their values have no effect on operation.
Instruction cycles
12
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 10 Interrupt Processing Sequence
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