Z86E30 Zilog., Z86E30 Datasheet - Page 40

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Z86E30

Manufacturer Part Number
Z86E30
Description
Z8 4K OTP Microcontroller
Manufacturer
Zilog.
Datasheet

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Z86E30/E31/E40
Z8 4K OTP Microcontroller
Interrupts. The MCU has six different interrupts from six
different sources. The interrupts are maskable and priori-
tized (Figure 28). The six sources are divided as follows:
four sources are claimed by Port 3 lines P33-P30) and two
40
Name
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
Interrupt
Request
/DAV2, IRQ2, T
/DAV0, IRQ0
Source
IRQ1
IRQ3
T0
TI
Table 10. Interrupt Types, Sources, and Vectors
Interrupt
Enable
Global
IN
Figure 28. Interrupt Block Diagram
P R E L I M I N A R Y
Vector Location
10, 11
0, 1
2, 3
4, 5
6, 7
8, 9
IRQ1, 3, 4, 5
Vector Select
in counter/timers. The Interrupt Mask Register globally or
individually enables or disables the six interrupt requests
(Table 10).
Priority
Logic
IMR
IRQ
IPR
IRQ0 IRQ2
Interrupt
External (P32), Rising/Falling Edge Triggered
External (P33), Falling Edge Triggered
External (P31), Rising/Falling Edge Triggered
External (P30), Falling Edge Triggered
Internal
Internal
Select
Edge
Comments
IRQ (D6, D7)
6
DS97Z8X0500
Zilog

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