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Freescale understands the challenge of performance within an energy budget and offers a wide portfolio of S08 devices that help you reach target performance levels while minimizing low-power in your design. The S08QB family demonstrates extreme energy-efficiency for ultra-long operating life in battery-powered applications.
Features
Power-Saving Features
- Two ultra-low-power stop modes, one of which allows limited use of peripherals
- New low-power run and wait modes
- 6 µs typical wake up time from stop mode
- Internal clock Source (ICS)—module containing a frequency locked-loop (FLL) controlled by internal or external reference
- Oscillator (OSC)—loop-control Pierce oscillator
- crystal or ceramic resonator range of 31.25 kHz to 38.4 kHz or 1 MHz to 16 MHz
- Clock gating disables clocks to unused peripherals
8-bit HCS08 Central Processing Unit (CPU)
- Up to 20 MHZ HCS08 CPU from 1.8V to 3.6V and across temperature range of -40°C to +85°C
- HCS08 instruction set with added BGND instruction
On-Chip Memory
- Up to 8 KB flash read/program/erase over full operating voltage and temperature
- Up to 512 bytes of random access memory(RAM) with low ram retention voltage and security feature
Peripherals
- ADC—8-channel
- 12-bit resolution for 28-pin and 24-pin packages
- 10-bit resolution for 16-pin package
- 2.5 µs conversion time for both 10-bit and 12-bit resolution
- Automatic compare function
- Internal temperature sensor
- Internal bandgap reference channel
- Operation in low-power stop mode
- Timer/pulse-width modulator (TPM)
- One channel with 16-bit counter
- Selectable input capture
- Output compare
- Buffered edge- or centeraligned PWM
- Located at PTA0 by default but it can also be selected by software to relocate at PTB5 port
- Serial communications interface (SCI)
- Offering asynchronous communications
- 13-bit break option
- Flexible baud rate generator
- Optional H/W parity checking and generation
- Analog comparator (ACMP)
- Option to compare to an internal reference voltage
- Output can be optionally routed to TPM as input capture trigger
- 8-bit module timer module with 8-bit prescaler (MTIM)
Input/Output
- Up to 22 general purpose input/output (GPIO), one input-only and one output-only pin
- 8 keyboard interrupts (KBI) pins with selectable polarity
System Protection
- Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source or bus clock
- Low-voltage detection with reset or interrupt, selectable trip points
- Illegal op code and illegal address detection with reset
- Flash block protection
Development Support
- Breakpoint capability
Energy Efficient Solutions Quick Facts
- 6us wake up time allows an application to wake up, perform task and quickly go back to sleep, thus saving power.
- CPU and peripherals can run with the voltage regulator in low-power mode to allow full functionality at reduced frequency for lower power operation.
- User–selectable peripheral clock gating saves power in run and wait modes.
- Ultra-low-power, real–time counter can be used with low-power oscillator, internal or external clock sources in run, wait and stop modes.
- Learn more about Freescale energy-efficient product solutions
Featured Documentation
- 9S08QB84FS: MC9S08QB8/4: Simplicity with Substance Taking the lead in low power - Fact Sheet
- MC9S08QB8: MC9S08QB8 Series - Data Sheet
- MC9S08QB8RM: MC9S08QB8 MC9S08QB4 - Reference Manual
Featured Software and Tools
- DEMO9S08QB8: QB8 Demonstration Board
- CW-MICROCONTROLLERS: CodeWarrior for Microcontrollers (Classic IDE) - RS08/HC(S)08, ColdFire V1
- CW-MCU10: CodeWarrior for MCUs (Eclipse IDE) - ColdFire, 56800/E DSC, Kinetis, Qorivva 56xx, RS08/S08, S12Z
- EGUI: Freescale eGUI: Graphical LCD Driver for MCUs/MPUs
- UMultilink: Universal Multilink Development Interface
Target Applications
- Consumer
- Remote Controls
- Toys
- Smoke Detectors
- Residential/Commercial Garage Door Openers
- Remote Window Shutters
Featured Tool
