Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 85
Z8F16800144ZCOG
Manufacturer Part Number
Z8F16800144ZCOG
Description
KIT DEV FOR Z8F642 MCU 44 PIN
Manufacturer
Zilog
Series
Z8 Encore!®r
Type
MCUr
Specifications of Z8F16800144ZCOG
Contents
Hardware, Software and Documentation
For Use With/related Products
Z8F642
For Use With
269-4661 - KIT ACC ETHERNET SMART CABLE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4678
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Interrupt Controller
Overview
Interrupt Vector Listing
PS025011-1010
Note:
The interrupt controller on the Z8 Encore! XP F1680 Series products prioritizes the
interrupt requests from the on-chip peripherals and the GPIO port pins. The interrupt
controller includes the following features:
•
•
•
•
Interrupt requests (IRQs) allow peripheral devices to suspend CPU operation in an orderly
manner and force the CPU to start an interrupt service routine (ISR). Usually this interrupt
service routine is involved with the exchange of data, status information, or control
information between the CPU and the interrupting peripheral. When the service routine is
completed, the CPU returns to the operation from which it was interrupted.
The eZ8 CPU supports both vectored and polled interrupt handling. For polled interrupts,
the interrupt controller has no effect on operation. For more information on interrupt
servicing by the eZ8 CPU, refer to eZ8 CPU User Manual (UM0128). The eZ8 CPU User
Manual is available on www.zilog.com.
Table 34
vector is stored with the most-significant byte (MSB) at the even Program Memory
address and the least-significant byte (LSB) at the following odd Program Memory
address.
Some port interrupts are not available on the 20-pin and 28-pin packages.
The ADC interrupt is unavailable on devices not containing an ADC.
Thirty-one interrupt sources using twenty-four unique interrupt vectors
–
–
Flexible GPIO interrupts
–
–
Three levels of individually programmable interrupt priority
WDT can be configured to generate an interrupt
16 GPIO port pin interrupt sources (seven interrupt vectors are shared,
see
15 on-chip peripheral interrupt sources (three interrupt vectors are shared,
see
Twelve selectable rising and falling edge GPIO interrupts
Four dual-edge interrupts
on page 72 lists all the interrupts available in order of priority. The interrupt
Table 34
Table 34
on page 72)
on page 72)
P R E L I M I N A R Y
Z8 Encore! XP
Product Specification
®
Interrupt Controller
F1680 Series
71
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