target applications ? low-power wireless applications ? security systems ? personal health care devices ? cell phone accessories ? commercial smoke detectors ? security sensors ? toys overview achieving raw performance is no longer the number one issueits now performance within an energy budget. freescale understands this challenge and offers a wide portfolio of s08 devices that help you reach target performance levels while minimizing low power in your design. the qe family demonstrates extreme energy efficiency for ultra-long operating life in battery-powered applications. a member of the qe family, the qe8 32-pin-lqfp device is pin compatible with the qe128 s08 and coldfire ? v1 devices. the s08qe8 (qe8) microcontroller offers low-power features such as two ultra-low-power stop modes, new low-power run and wait modes, six s wake-up time, ultra-low-power external oscillator and clock gating registers to disable clocks to unused peripherals. the qe8 offers up to 8 kb of flash memory and a 10-channel, 12-bit resolution analog-to-digital converter (adc). the s08qe8 programs down to 1.8v, a 20 mhz cpu core, two timers, uart, spi, i 2 c and two analog comparatorsperfect for cost-effective portable health care applications. to test your application with the qe8, take the battery calculator challenge, available at www.freescale.com/lowpower . 8-bit fact sheet ultra-low-power microcontrollers mc9s08qe8/4 taking the lead in low power features benefits power-saving features ? two ultra-low-power (ulp) stop modes, one of which allows limited use of peripherals ? allows continued application sampling in a reduced power state which extends battery life ? allows use of all chip peripherals in a low-power state ? enables faster execution out of stop modes ? new low-power run and wait modes ? 6 s typical wake up time from stop mode ? internal clock source (ics)module containing a frequency locked-loop (fll) controlled by internal or external reference ? provides choice of frequencies on-the-fy. reducing frequency saves current. ? 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 ? includes ultra-low-power osc for accurate timebase in low-power modes ? clock gating disables clocks to unused peripherals ? provides fexibility to turn off individual modules ? reduces power consumption 8-bit hcs08 central processing unit (cpu) ? up to 20 mhz hcs08 cpu from 1.8v to 3.6v and across temperature range of -40c to +85c ? offers high performance, even at low voltage levels for battery-operated applications ? provides bus speed operation of 10 mhz from 1.8v to 3.6v ? hcs08 instruction set with added bgnd instruction ? easy to learn and use architecture ? backward object code compatibility with 68hc08 and 68hc05 for reuse of existing libraries can still be used ? allows for effcient, compact module coding in assembly or c compiler ? bgnd allows user to enter background debug mode that takes advantage of on-chip in-circuit emulator (ice) on-chip memory ? up to 8 kb fash read/program/erase over full operating voltage and temperature ? allows user to take full advantage of in-application, reprogrammability benefts in virtually any environment ? up to range of 1.8v to 3.6v random-access memory (ram) ? security circuitry prevents unauthorized access to ram and fash contents to reduce system power consumption
8-bit fact sheet learn more: for more information about the flexis qe family, please visit www.freescale.com/lowpower. freescale and the freescale logo are trademarks or registered trademarks of freescale semiconductor, inc. in the u.s. and other countries. all other product or service names are the property of their respective owners. ? freescale semiconductor, inc. 2009. document number: qe84fs rev 2 features benefits peripherals ? analog-to-digital converter (adc)10-channel, 12-bit resolution; 2.5 s conversion time; automatic compare function; internal temperature sensor; internal bandgap reference channel; operation in stop mode ? having 10 channels allows up to 10 analog devices to be sampled at extremely high speeds ? accuracy and full functionality guaranteed across 1.8v to 3.6v operating voltage of the mcu ? timertwo 3-channel (tpm1 and tpm2); selectable input capture, output compare, or buffered edge- or center-aligned pwm on each channel ? two tpms allow for two different time bases, with a total of twelve timer channels ? serial communications interface (sci)module offering asynchronous communications,13-bit break option, fexible baud rate generator, double buffered transmit and receive and optional h/w parity checking and generation ? provides standard uart communications peripheral ? allows full-duplex, asynchronous, nrz serial communication between mcu and remote devices ? edge interrupt can wake up mcu from low-power mode ? two analog comparators with option to compare to an internal referenceoutput can be optionally routed to timer/pulse width modulator (pwm) as input capture trigger ? requires only single pin for input signal, freeing additional pins for other use ? allows other components in system to see result of comparator with minimal delay ? can be used for single slope adc and rc time constant measurements ? serial peripheral interface (spi)one module with full-duplex or single-wire bidirectional; double-buffered transmit and receive; master or slave mode; msb-frst or lsb-frst shifting ? allows high speed (up to 5 mbps) communications to other mcus or peripherals such as mc1319x rf transceivers ? i 2 c with up to 100 kbps with maximum bus loading; multi-master operation; programmable slave address; interrupt-driven byte-by-byte data transfer; supports broadcast mode and 10-bit addressing ? i 2 c port enables increased system memory by using an additional i 2 c eeprom. this also creates an opportunity to add an additional i 2 c device. input/output ? 27 general purpose input/output (gpio), one input-only and one output-only pin ? results in large number of fexible i/o pins that allow developers to easily interface device into their own designs ? 8 keyboard interrupts (kbi) pins with selectable polarity ? can be used for reading input from a keypad or used as general pin interrupts system protection ? watchdog computer operating properly (cop) reset with option to run from dedicated 1 khz internal clock source or bus clock ? allows device to recognize runaway code (infnite loops) and resets processor to avoid lock-up states ? low-voltage detection with reset or interrupt; selectable trip points ? alarms the developer of voltage drops outside of the typical operating range ? illegal op code and illegal address detection with reset ? allows the device to recognize erroneous code and resets the processor to avoid lock-up states ? flash block protection ? prevents unintentional programming of protected fash memory, which greatly reduces the chance of losing vital system code for vendor applications development support ? single-wire background debug interface ? allows developers to use the same hardware cables between s08 and v1 coldfire ? platforms ? breakpoint capability ? allows single breakpoint setting during in-circuit debugging (plus three more breakpoints in on-chip debug module) ? ice debug module containing three comparators and nine trigger modes. eight deep fifo for storing change-of-fow addresses and event-only datadebug module supports both tag and force breakpoints. ? provides built-in full emulation without expense of traditional emulator cost-effective development tools demo9s08qe8 $69* cost-effective demonstration kit including the qe8 daughter card, as well as serial port and built-in usb-bdm cable for debugging and programming. this tool includes a lab that demonstrates the ultra-low-power benefits. dc9s08qe8 $10* daughter card of qe8 to use on your demoqe128 demonstration kit. codewarrior ? development studio for microcontrollers 6.1 complimentary** special edition codewarrior development studio for microcontrollers is a single tool suite that supports software development for freescales 8- and 32-bit v1 coldfire microcontrollers. designers can further accelerate application development with the help of processor expert?, an award-winning rapid application development tool integrated into the codewarrior tool suite. * prices indicated are msrp ** subject to license agreement package options part number temp. range package mc9s08qe4cpg -40c to +85c 16-pin pdip mc9s08qe4ctg -40c to +85c 16-pin tssop mc9s08qe4cwj -40c to +85c 20-pin soic MC9S08QE4CWL -40c to +85c 28-pin soic mc9s08qe4clc -40c to +85c 32-pin lqfp mc9s08qe8cpg -40c to +85c 16-pin pdip mc9s08qe8ctg -40c to +85c 16-pin tssop mc9s08qe8cwj -40c to +85c 20-pin soic mc9s08qe8cwl -40c to +85c 28-pin soic mc9s08qe8clc -40c to +85c 32-pin lqfp
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