HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 55

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 3-1 Interrupt Mask Levels
Priority
High
Low
Table 3-2 Interrupt Mask Bits after an Interrupt is Accepted
Level of Interrupt Accepted
NMI (8)
7
6
5
4
3
2
1
Mask
Level
7
6
5
4
3
2
1
0
Mask Bits
I2
1
1
1
1
0
0
0
0
I1
1
1
0
0
1
1
0
0
I0
1
0
1
0
1
0
1
0
Interrupts Accepted
NMI
Level 7 and NMI
Levels 6 to 7 and NMI
Levels 5 to 7 and NMI
Levels 4 to 7 and NMI
Levels 3 to 7 and NMI
Levels 2 to 7 and NMI
Levels 1 to 7 and NMI
I2
1
1
1
1
1
0
0
0
36
I1
1
1
1
0
0
1
1
0
I0
1
1
0
1
0
1
0
1