128 kb flash internal bus hcs12 cpu 16-key wake-up irq ports vreg 5v to 2.5v enhanced capture timer 16-bit, 8-ch. atd0 10-bit, 8-ch. 8 kb ram 2 kb eeprom atd1 10-bit, 8-ch. 2 x sci 2 x spi i 2 c pwm 8-bit, 8-ch./16-bit, 4-ch. up to 91 gpio 16-bit microcontrollers mc9s12a128 overview freescale semiconductors mc9s12a128 flash microcontroller (mcu) is the next generation of the highly successful 68hc12 architecture. using freescales industry-leading 0.25 s flash, the a128 is part of a pin-compatible family that scales from 32 kb to 512 kb of flash memory. the mc9s12a128 provides an upward migration path from freescales 68hc08, 68hc11 and 68hc12 architectures for applications that need larger memory, more peripherals and higher performance. target applications > instrumentation > energy management > industrial control > robotics > safety equipment > security features benefits high-performance 16-bit hcs12 cpu core > 25 mhz bus operation at 5v for 40 ns minimum instruction cycle time > opcode compatible with the 68hc11 and 68hc12 > c-optimized architecture produces extremely compact code on-chip debug interface > dedicated serial debug interface > on-chip breakpoints > real-time in-circuit emulation and debug without expensive and cumbersome box emulators > read/write memory and registers while running at full speed integrated third-generation flash memory 2 kb integrated eeprom > flexible protection scheme for protection against accidental program or erase > eeprom can be programmed in 46 s > can erase 4 bytes at a time and program 2 bytes at a time for calibration, security, personality and diagnostic information > in-application reprogrammable > self-timed, fast programming ? fast flash page erase20 ms (512 bytes) ? can program 16 bits in 20 s while in burst mode > 5v flash program/erase/read > flash granularity512 byte flash erase/2 byte flash program > two independently programmable flash arrays > flexible block protection and security > flexibility to change code in the field > efficient end-of-line programming > total program time for 128 kb code is less than five seconds > reduces production programming cost through ultra-fast programming > no external high voltage or charge pump required > virtual eeprom implementation, flash array usable for ee extension > can erase one array while executing code from another 10-bit analog-to-digital converter (adc) > two, 8-channel adcs > 7 s, 10-bit single conversion time, scan mode available > fast, easy conversion from analog inputs like position sensors, analog meters and photovoltaic cells to digital values for cpu processing > can effectively have 3.5 s conversion time by sampling same signal with both adcs
freescale? and the freescale logo are trademarks of freescale semiconductor, inc. all other product or service names are the property of their respective owners. this product incorporates superflash ? technology licensed from sst. ? freescale semiconductor, inc. 2005 document number: mc9s12a128fs rev 4 learn more: for more information about freescale products, please visit www.freescale.com . features benefits clock generation module with phase-lock loop (pll) > clock monitor with limp home mode in case of no external clock > programmable clock frequency with 1024 options ranging from divide by 16 to multiply by 64 form base oscillator > real-time interrupt > watchdog > reliable, robust operation > provides high performance using low-cost reference crystals > reduces generated noise > reduces power consumption > easily able to implement real-time clock enhanced capture timer > 8-channel, 16-bit with input capture, output compare and pulse accumulator > 16-bit modulus down counter > flexible, programmable timer system 8-bit or 16-bit pulse-wide modulation (pwm) > 8-channel, 8-bit or 4-channel, 16-bit pwm > pwm supports center-aligned operation > efficiently implement motor control, battery charging or digital-to-analog (dac) functions two serial communications interfaces > 8192 prescaler option > asynchronous communication between the mcu and a terminal, computer or a network of mcus two serial peripheral interfaces > 256 clock rate options > high-speed synchronous communication between multiple mcus or between mcu and serial peripherals application notes and engineering bulletins AN2206 security and protection on the hcs12 family an2213 using cosmic softwares m68hc12 compiler for mc9s12dp256 software development an2216 mc9s12dp256 software development using metrowerks codewarrior? an2250 audio reproduction on hcs12 microcontrollers eb386 hcs12 d-family compatibility inter ic (i 2 c) bus > provides a simple, efficient method of data exchange between devices > minimizes the need for large numbers of connections between devices and eliminates the need for an address decoder up to 91 input/output (i/o) lines > programmable pull-ups/pull-downs > dual drive capability > reduce system cost > able to tailor application for minimum emc or high current loads 112-lead lqfp 80-lead lqfp package options part number package temp. range mc9s12a128cfu 80 qfp -40c to +85c mc9s12a128cpv 112 lqfp -40c to +85c cost-effective development tools for more information on development tools, please refer to the freescale development tool selector guide (sg1011). m68kit912dp256 evaluation kit for development and $495 evaluation of hcs12 application code that includes the m68evb912dp256 and usbmultilinkbdm m68cyclonepro hc08/hcs08/hc12/hcs12 $499 stand-alone flash programmer or in-circuit emulator, debugger, flash programmer; usb, serial or ethernet interface options usbmultilinkbdm universal hcs08/hcs12 in-circuit $99 emulator, debugger, and flash programmer; usb pc interface cwx-h12-se codewarrior? special edition for free hcs12 mcus; includes integrated development environment (ide), linker, debugger, unlimited assembler, processor expert? auto-code generator, full-chip simulation and limited c compiler data sheets s12dt128dgv2 mc9s12a128 device guide s12dt128pimv1 mc9s12a128 port integration module block guide s12atd10b8cv2 hcs12 10-bit 8-channel analog to digital block guide s12bdmv4 hcs12 background debug (bdm) block guide s12bkvd1 hcs12 breakpoint (bkp) block guide s12cpuv2 hcs12 cpu reference manual s12crgv3 hcs12 clock reset generator block guide s12eets2kv1 hcs12 2k eeprom block guide s12fts128kv1 hcs12 128k flash block guide s12iicv2 hcs12 i 2 c block guide s12intv1 hcs12 interrupt (int) block guide s12mebiv3 hcs12 multiplexed external bus interface (mebi) block guide s12mmcv4 hcs12 module mapping control (mmc) block guide s12pwm8b8cv1 hcs12 8-bit 8-channel pulse-width modulator block guide s12sciv2 hcs12 serial communications interface block guide s12spiv2 hcs12 serial peripheral interface block guide s12tim16b8cv1 hcs12 16-bit 8-channel timer block guide s12vregv1 hcs12 voltage regulator block guide
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