Z16F2800100ZCOG Zilog, Z16F2800100ZCOG Datasheet - Page 347
Z16F2800100ZCOG
Manufacturer Part Number
Z16F2800100ZCOG
Description
DEV KIT FOR Z16F ZNEO
Manufacturer
Zilog
Series
ZNEO™r
Type
MCUr
Datasheets
1.Z16F2800100ZCOG.pdf
(2 pages)
2.Z16F2800100ZCOG.pdf
(30 pages)
3.Z16F2800100ZCOG.pdf
(388 pages)
Specifications of Z16F2800100ZCOG
Contents
Evaluation Board, Software and Documentation
For Use With/related Products
Z16F Series
For Use With
269-4661 - KIT ACC ETHERNET SMART CABLE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4537
- Current page: 347 of 388
- Download datasheet (22Mb)
Table 179. Oscillator Configuration and Selection
Oscillator Control
Operation
PS022008-0810
Clock Source
Internal Precision
Oscillator
External Crystal/
Resonator/
External Clock
Drive
Internal
Watchdog Timer
Oscillator
System Clock Selection
The ZNEO
•
•
•
In addition, ZNEO Z16F Series contain clock failure detection and recovery circuitry,
allowing continued operation despite a failure of the primary oscillator.
The on-chip system clock frequency is reduced through a clock divider allowing reduced
dynamic power dissipation. The FLASH is powered down during portions of the clock
period when running slower than 10 MHz.
This section explains the logic used to select the system clock, divide down the system
clock, and handle oscillator failures. A description of the specific operation of each
oscillator is outlined elsewhere in this document. See
Internal Precision Oscillator
The oscillator control block selects from the available clocks.
details each clock source and its usage.
Characteristics
• 5.5 MHz
• High precision possible when
• No external components
• 0 to 20 MHz
• Very high accuracy (dependent
• Requires external components
• 10 kHz nominal
• Low accuracy
• No external components
• Low power consumption
Trimmable internal precision oscillator.
On-chip oscillator using off-chip crystal/resonator or external clock driver.
On-chip low precision Watchdog Timer oscillator.
required
on crystal/resonator or external
source)
required
trimmed
®
Z16F Series uses three possible user-selectable clocking schemes:
P R E L I M I N A R Y
on page 335, and
Required Setup
• This is the reset default.
• Configure Option Bits for correct external
• Unlock and write Oscillator Control Register
• Wait for required stabilization time
• Unlock and write Oscillator Control Register
• Unlock and write Oscillator Control Register
(OSCCTL) to select external oscillator
(OSCCTL) to enable and select Internal WDT
oscillator
oscillator mode
(OSCCTL) to enable external oscillator
On-Chip Oscillator
Watchdog Timer
Table 179
Product Specification
on page 327.
ZNEO
on page 239,
on page 331
Oscillator Control
Z16F Series
331
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