Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 319
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
- Current page: 319 of 399
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Oscillator Control
Overview
Operation
PS025011-1010
System Clock Selection
The Z8 Encore! XP F1680 Series devices use five possible clocking schemes, each user-
selectable:
•
•
•
•
•
In addition, Z8 Encore! XP F1680 Series devices contain:
•
•
This chapter discusses the logic used to select the system clock and handle primary
oscillator failures. A description of the specific operation of each oscillator is outlined
elsewhere in this document. The detailed description of the
starts on page 137, the
chapter outlining the
The oscillator control block is selected from the available clocks.
details each clock source and its usage.
On-chip precision trimmed RC oscillator
On-chip oscillator using off-chip crystal or resonator
On-chip oscillator using external RC network
External clock drive
On-chip low precision Watchdog Timer oscillator
A clock failure detection and recovery circuitry allowing continued operation despite a
failure of the primary oscillator
A peripheral clock that allows timers to be clocked directly from an external
32 kHz watch crystal
Crystal Oscillator
Internal Precision Oscillator
P R E L I M I N A R Y
begins on page 311.
description starts on page 317, and the
Z8 Encore! XP
Watchdog Timer
Product Specification
Table 168
®
Oscillator Control
F1680 Series
on page 306
Oscillator
305
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