Z8673312PSG Datasheet, PDF (78/84 Pages) Zilog, Inc. – CMOS Z8 OTP Microcontrollers

CMOS Z8^® OTP Microcontrollers
Product Specification
74
R249 IPR
D7 D6 D5 D4 D3 D2 D1 D0
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
Reserved (Must be 0)
Figure 49. Interrupt Priority Register (F9_h: Write Only)
R250 IRQ
D7 D6 D5 D4 D3 D2 D1 D0
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = P30 Input
IRQ4 = T0
IRQ5 = T1
Default After Reset = 00h
Inter Edge
P31 ↓ P32 ↓
P31 ↓ P32 ↑
P31 ↑ P32 ↓
P31 ↑↓ P32↑↓
= 00
= 01
= 10
= 11
Figure 50. Interrupt Request Register (FA_h: Read/Write)
PS022901-0508
Electrical Characteristics