Z86D86 Datasheet, PDF (63/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller

Z86D86
28-Pin Low-Voltage OTP Microcontroller
55
P31 P32 P33
IRQ Register
D6, D7
Interrupt
Edge Select
Timer
16
Timer
8
IRQ2 IRQ0 IRQ1 IRQ3 IRQ4
Low Battery
Detection
IRQ5
IRQ
IMR
5
Interrupt
Request
Global
Interrupt
Enable
IPR
Priority
Logic
Vector Select
Figure 44. Interrupt Block Diagram
Table 21. Interrupt Types, Sources, and Vectors
Name
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
Source
P32
P33
P31, T_IN
T16
T8
LBD
Vector Location Comments
0,1
External (P32), Rising Falling Edge Triggered
2,3
External (P33), Falling Edge Triggered
4,5
External (P31), Rising Falling Edge Triggered
6,7
Internal
8,9
Internal
10,11
Internal
PS008905-0105
PRELIMINARY