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Chapter 7
Interrupt/Exception Processing Function
User’s Manual U16580EE3V1UD00
7.3.4 Interrupt control register (PICn)
An interrupt control register is assigned to each interrupt request (maskable interrupt) and sets the
control conditions for each maskable interrupt request.
This register can be read/written in 8-bit or 1-bit units.
Figure 7-10:
Interrupt Control Register (PICn)
Note:
Automatically reset by hardware when interrupt request is acknowledged.
Remark:
n = 0 to 105 (see
Addresses and Bits of Interrupt Control Registers
After reset:
47H
R/W
Address:
Refer to Table 7-2
7
6
5
4
3
2
1
0
PICn
IFn
MKn
0
0
0
PRn2
PRn1
PRn0
IFn
Interrupt Request Flag n
Note
0
Interrupt request is not issued
1
Interrupt request issued
MKn
Interrupt Mask Flag n
0
Interrupt servicing enabled
1
Interrupt servicing disabled (IFn flag hold pending)
PRn2
PRn1
PRn0
Interrupt Priority Specification n
0
0
0
Specifies level 0 (highest)
0
0
1
Specifies level 1
0
1
0
Specifies level 2
0
1
1
Specifies level 3
1
0
0
Specifies level 4
1
0
1
Specifies level 5
1
1
0
Specifies level 6
1
1
1
Specifies level 7 (lowest)
Summary of Contents for MuPD70F3187
Page 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Page 16: ...16 User s Manual U16580EE3V1UD00 ...
Page 28: ...28 User s Manual U16580EE3V1UD00 ...
Page 32: ...32 User s Manual U16580EE3V1UD00 ...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
Page 1052: ...1052 User s Manual U16580EE3V1UD00 ...
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