Z8F1233QH020SG Zilog, Z8F1233QH020SG Datasheet - Page 159
Z8F1233QH020SG
Manufacturer Part Number
Z8F1233QH020SG
Description
IC ENCORE XP MCU FLSH 12K 20QFN
Manufacturer
Zilog
Series
Encore!®r
Specifications of Z8F1233QH020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, LED, POR, PWM, WDT
Number Of I /o
17
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
For Use With
770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Other names
269-4656
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F1233QH020SG
Manufacturer:
Zilog
Quantity:
670
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Crystal Oscillator
Operating Modes
Crystal Oscillator Operation
PS025111-1207
Note:
The products in the Z8 Encore!
with external crystals with 32 kHz to 20 MHz frequencies. In addition, the oscillator
supports external RC networks with oscillation frequencies up to 4 MHz or ceramic
resonators with frequencies up to 8 MHz. The on-chip crystal oscillator can be used to
generate the primary system clock for the internal eZ8 CPU and the majority of the
on-chip peripherals. Alternatively, the X
input signal (32 kHz–20 MHz). If an external clock generator is used, the X
be left unconnected. The on-chip crystal oscillator also contains a clock filter function. For
details settings of this clock filter, see
filter is disabled and no divide to the input clock, namely the frequency of the signal on the
X
Although the X
pin is better suited for such use. See
mation.
The Z8 Encore! F0830 Series products support four OSCILLATOR modes.
•
•
•
•
The OSCILLATOR mode is selected using user-programmable Flash option bits. See
Flash Option Bits
The Flash option bit XTLDIS controls whether the crystal oscillator is enabled during
reset. The crystal may later be disabled after reset if a new oscillator has been selected as
the system clock. If the crystal is manually enabled after reset through the OSCCTL
register, the user code must wait at least 5000 IPO cycles for the crystal to stabilize. After
this, the crystal oscillator may be selected as the system clock.
Figure 25
fundamental-mode, parallel-resonant crystal operating at 20 MHz. Recommended 20
IN
Minimum power for use with very low frequency crystals (32 kHz to 1 MHz).
Medium power for use with medium frequency crystals or ceramic resonators
(0.5 MHz to 8 MHz).
Maximum power for use with high frequency crystals (8 MHz to 20 MHz).
On-chip oscillator configured for use with external RC networks (<4 MHz).
input pin determines the frequency of the system clock in default settings.
displays a recommended configuration for connection with an external
IN
pin can be used as an input for an external clock generator, the CLKIN
on page 117 for more information.
®
F0830 Series contain an on-chip crystal oscillator for use
System Clock Selection
Table 86
IN
input pin can also accept a CMOS-level clock
on page 125. But by default, this clock
Z8 Encore!
on page 143 for more infor-
Product Specification
®
Crystal Oscillator
F0830 Series
OUT
pin must
149
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