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HD404374FT Datasheet(PDF) 37 Page - Renesas Technology Corp

Part # HD404374FT
Description  Low-Voltage AS Microcomputers with On-Chip A/D Converter
PDF  161 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404374FT Datasheet(HTML) 37 Page - Renesas Technology Corp

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HD404374/HD404384/HD404389/HD404082/HD404084 Series
Rev.5.00, Sep.11.2003, page 37 of 161
Table 3
Interrupt Processing and Activation Conditions
Interrupt Source
Interrupt Control Bit
WU
WU
WU
WU
0
INT
INT
INT
INT
0
Timer A
Timer B
Timer C
A/D or
Serial
IE
1
1
1
1
1
1
IFWU•
IMWU
1
0
0
0
0
0
IF0•
IM0
*
1
0
0
0
0
IFTA•
IMTA
*
*
1
0
0
0
IFTB•
IMTB
*
*
*
1
0
0
IFTC•
IMTC
*
*
*
*
1
0
IFAD•
IMAD+IFS•IMS
*
*
*
*
*
1
Note: * Operation is not affected whether the value is 0 or 1.
1
2
3
4
5
6
Instruction
execution*
Interrupt
acceptance
Save to stack
IE reset
Execution of JMPL instruction
at vector address
Save to stack
Vector address
generated
Execution of
instruction at
start address of
interrupt routine
Instruction cycle
Note: * The stack is accessed and the IE reset after the instruction is executed, even if it is a 2cycle instruction.
Figure 9 Interrupt Sequence



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