z86l88 ZiLOG Semiconductor, z86l88 Datasheet - Page 37

• Manufacturer Part Number: z86l88
• Description: Low-voltage Ir Microcontroller
• Manufacturer: ZiLOG Semiconductor

PS024102-0804
Figure 23. Interrupt Priority Register—F9H: Write Only
Figure 24. Interrupt Request Register—FAH: Read/Write
R250 IRQ
R249 IPR
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
IRQ0 = P32 Input
IRQ1 = P23 Input
IRQ2 = P31 Input
IRQ3 = T16
IRQ4 = T8
Inner Edge
P31 ↓ P32 ↓ = 00
P31 ↓ P32 ↑ = 01
P31 ↑ P32 ↓ = 10
P31 ↑↓ P32 ↑↓ = 11
Reserved (must be 0)
Interrupt Group Priority
000 = Reserved
001 = C>A>B
010 = A>B>C
011 = A>C>B
100 = B>C>A
101 = C>B>A
110 = B>A>C
111 = Reserved
IRQ1, IRQ4, Priority (Group C)
0 = IRQ1>IRQ4
1 = IRQ4>IRQ1
IRQ0, IRQ2, Priority (Group B)
0 = IRQ2>IRQ0
1 = IRQ0>IRQ2
IRQ3, IRQ5, Priority (Group A)
0 = IRQ5>IRQ3
1 = IRQ3>IRQ5
Low-Voltage IR Microcontroller
Z86L88
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