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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)
Содержание MuPD70F3187
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Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
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Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
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