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Target Applications
• Battery chargers
• Electronic power meters
• Handheld devices
• Home appliance
• Human input devices
• Industrial control
• Lighting control
• PC peripherals
• Remote control
• Secure boot co-processors
• Security and alarm systems
• Sensing systems
• SMAC as part of Zigbee configuration
• Small appliances
• Smart Battery
• Smoke and CO detection
• Toys
• Wireless communications
• Wireless sensor applications
• Watchdog co-processor
Overview
The MC9S08QA4 is a member of the low-
cost, low-power, high-performance HCS08
Family of 8-bit microcontroller units (MCUs).
All MCUs in the family use the enhanced
HCS08 core and are available with a variety of
modules, memory sizes, memory types, and
package types.
CWX-H08-SE Free**
CodeWarrior Special Edition for HC(S)08
MCUs; includes integrated development
environment (IDE), linker, debugger, unlimited
assembler, Processor Expert™ auto-code
generator, full-chip simulation and 16 KB
C compiler
Cost-Effective Development Tools
For more information on development tools,
please refer to the Freescale Development
Tool Selector Guide (SG1011).
DEMO9S08QA4E—$50 MSRP
Cost-effective demonstration board with
potentiometer, LEDs, serial port and built-
in USB-BDM cable for debugging and
programming
8-bit Microcontrollers
MC9S08QA4/2
Package Options
Part Number Package Temp. Range
MC9S08QA4CFCE 8-pin DFN -40°C to 85°C
MC9S08QA4CPCE 8-pin PDIP -40°C to 85°C
MC9S08QA4CSCE 8-pin SOIC -40°C to 85°C
MC9S08QA2CFCE 8-pin DFN -40°C to 85°C
MC9S08QA2CPCE 8-pin PDIP -40°C to 85°C
MC9S08QA2CSCE 8-pin SOIC -40°C to 85°C
MC9S08QA4/2
COP ICS
256/160B
RAM
GPIO
4-Ch. KBI
16-bit Timer
1-Ch. + mod
4-Ch., 10-bit
ADC
ACMP
S08 Core
MTIM
Flash
4K
Flash
2K
Flash
