Z8F022ASJ020SC Zilog, Z8F022ASJ020SC Datasheet - Page 38
![IC ENCORE XP MCU FLASH 2K 28SOIC](/photos/6/91/69136/269-28-soic_sml.jpg)
Z8F022ASJ020SC
Manufacturer Part Number
Z8F022ASJ020SC
Description
IC ENCORE XP MCU FLASH 2K 28SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F022ASJ020SC
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
23
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3355
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F022ASJ020SC
Manufacturer:
Zilog
Quantity:
372
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PS022825-0908
Internal RESET
System Clock
Note: Not to Scale
VCC = 3.3 V
signal
Watchdog Timer Reset
External Reset Input
V
V
POR
VBO
The POR level is greater than the VBO level by the specified hysteresis value. This
ensures that the device undergoes a Power-On Reset after recovering from a VBO
condition.
If the device is in NORMAL or HALT mode, the Watchdog Timer can initiate a System
Reset at time-out if the WDT_RES Flash Option Bit is programmed to 1. This is the
unprogrammed state of the WDT_RES Flash Option Bit. If the bit is programmed to 0, it
configures the Watchdog Timer to cause an interrupt, not a System Reset, at time-out.
The WDT bit in the Reset Status (RSTSTAT) register is set to signify that the reset was
initiated by the Watchdog Timer.
The RESET pin has a Schmitt-Triggered input and an internal pull-up resistor. Once the
RESET pin is asserted for a minimum of four system clock cycles, the device progresses
through the System Reset sequence. Because of the possible asynchronicity of the system
clock and reset signals, the required reset duration may be as short as three clock periods
Execution
Program
Figure 6. Voltage Brownout Reset Operation
Brownout
Voltage
Reset, Stop Mode Recovery, and Low Voltage Detection
counter delay
POR
Z8 Encore! XP
Product Specification
Execution
Program
®
F082A Series
VCC = 3.3 V
27
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