Z8F012ASB020SG Zilog, Z8F012ASB020SG Datasheet - Page 204

IC ENCORE XP MCU FLASH 1K 8SOIC

Z8F012ASB020SG

Manufacturer Part Number
Z8F012ASB020SG
Description
IC ENCORE XP MCU FLASH 1K 8SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet

Specifications of Z8F012ASB020SG

Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
IrDA, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
6
Program Memory Size
1KB (1K x 8)
Program Memory Type
FLASH
Eeprom Size
16 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
Z8F012Ax
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
Z8F04A08100KITG, Z8F04A28100KITG, ZENETSC0100ZACG, ZENETSC0100ZACG, ZUSBOPTSC01ZACG, ZUSBSC00100ZAC, ZUSBSC00100ZACG
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4039
Z8F012ASB020SG
Crystal Oscillator
Operating Modes
Crystal Oscillator Operation
PS022825-0908
Note:
Note:
The products in the Z8 Encore! XP
oscillator for use 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 Z8 Encore! XP F082A Series products do not contain an internal
clock divider. The frequency of the signal on the X
frequency of the system clock.
Although the XIN pin can be used as an input for an external clock generator, the CLKIN
pin is better suited for such use (see
The Z8 Encore! XP F082A Series products support four oscillator modes:
The oscillator mode is selected using user-programmable Flash Option Bits. See
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 regis-
ter, the user code must wait at least 1000 crystal oscillator cycles for the crystal to
stabilize. After this, the crystal oscillator may be selected as the system clock.
The stabilization time varies depending on the crystal or resonator used, as well as on the
feedback network. See
lization times.
Minimum power for use with very low frequency crystals (32 kHz–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).
on page 153 for information.
Table 111
for transconductance values to compute oscillator stabi-
®
System Clock Selection
F082A Series contain an on-chip crystal
IN
input pin can also accept a CMOS-level clock
IN
input pin determines the
Z8 Encore! XP
on page 187).
Product Specification
®
F082A Series
Crystal Oscillator
OUT
pin must
Flash
193

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