m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 89

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

INTERRUPTS
6.3 Interrupt control
Table 6.3.1 Setting of interrupt priority level
Table 6.3.2 Enabled interrupt’s levels according to IPL contents
IPL
IPL
IPL
6-8
Interrupt priority level select bits
0
1
2
IPL
: Bit 8 in processor status register (PS)
: Bit 9 in processor status register (PS)
: Bit 10 in processor status register (PS)
b2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
IPL
b1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
IPL
b0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Level 0 (Interrupt disabled)
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 1 and above are enabled.
Level 2 and above are enabled.
Level 3 and above are enabled.
Level 4 and above are enabled.
Level 5 and above are enabled.
Levels 6 and 7 are enabled.
Only level 7 is enabled.
All maskable interrupts are disabled.
7905 Group User’s Manual Rev.1.0
Interrupt priority level
Enabled interrupt’s level
Priority
High
Low
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