MM912_S812: S12XS MCU Plus Ignition and Injector Driver SiP

The MM912_S812 is an engine control IC, combining an MCU (S12XS) and analog control die (MC33812) intended for motorcycle and other single/dual cylinder small engine control applications.

The IC reduces design complexity, bill of materials and manufacturing cost while helping to shorten the customer’s time to market.

Other benefits for your small engine designs include:

MM912_S812 Simplified Application Drawing
Product image for the MM912_S812
特性
  • 8 KB or 12 KB RAM
  • Flash memory size of 128 KB or 256 KB
  • Designed to operate over the range of ~4.7 V ≤ VPWR ≤ 36 V
  • Relay/injector/fuel pump driver—current limit—4.0 A typical
  • Lamp driver—current limit—1.5 A typical
  • Error correction code (ECC) on flash memory
  • Separate data-flash module for code or data storage
  • Frequency modulated locked loop (IPLL)
  • Fast ATD converter
  • Three integrated low side drivers
  • One pre-driver
  • +5.0 V, voltage pre-regulator
  • MCU watchdog circuit
  • ISO 9141 K-Line interface
  • Parallel interface for MCU communication
  • All external outputs protected against short to battery and over-current
  • VCC voltage pre-regulator provides +5.0 V power for the MCU
  • MCU watchdog timer circuit with parallel refresh/time setting line
  • ISO-9141 K-Line transceiver for communicating diagnostic messages
  • All signal lines are accessible
  • Also available with MC9S12XEP100 MCU for calibration
  • Provides single package ECU for minimum PC board area
Recommended Documentation (2)
Name/DescriptionTypeModified Date
MM912_S812, S12XS MCU and Multifunctional Ignition and Injector Driver System In Package (SiP) - Data Sheet (REV 2.0) PDF (663.4 kB) MM912_S812Data Sheets20 Feb 2015
MM912_S812FS, S12XS Multifunctional Ignition and Injector Driver - Fact Sheet (REV 2.0) PDF (685.8 kB) MM912_S812FSFact Sheets19 Feb 2013
Data Sheets (1)
Name/DescriptionModified Date
MM912_S812, S12XS MCU and Multifunctional Ignition and Injector Driver System In Package (SiP) - Data Sheet (REV 2.0) PDF (663.4 kB) MM912_S81220 Feb 2015
Fact Sheets (1)
Name/DescriptionModified Date
MM912_S812FS, S12XS Multifunctional Ignition and Injector Driver - Fact Sheet (REV 2.0) PDF (685.8 kB) MM912_S812FS19 Feb 2013
Reports or Presentations (1)
Name/DescriptionModified Date
Engine Technology International - Article Reprint (REV 0) PDF (2.3 MB) ENGINETECHNOLOGYREPRINT01 Jan 2013
Ordering Information
ProductStatusBudgetary Price excluding tax(US$)Device FunctionPackage Type and Termination CountAmbient Operating Temperature (Min-Max) (°C)Additional Features-AnalogCAN TypeCommunication ProtocolLoad Supply Voltage (Min) (V)Load Supply Voltage (Max) (V)Core TypeCore: Number of cores (Spec)Operating Frequency (Max) (MHz)Core: Operating Voltage (Spec) (V)Data Rate (Min) (kbps)Data Rate (Max) (kbps)DiagnosticsInterface and Input ControlInternal Flash (KB)Internal RAM (KB)Current Limit per Output (Min) (A) (ILIM)Drain-to-Source On Resistance (Typ) (mOhm) (RDS(ON))Load Current (Max) (A) (IL)Number of ChannelsProtectionSupply Voltage (Min-Max) (V)Timer FeaturesRoHS
MM912KS812AMAFActive1K @ US$4.08Embedded MCU plus Power, Powertrain ControlLQFP-EP 100-40 to 125Watchdog Timer, PWM Capable, Output Open/Short Diagnostic, Output Current Limiting, Diagnostics Reporting, A/D Converter and Digital I/OCAN, ISO 91414.736S121405101000SPISPI256121.5, 41000, 2502.5, 61, 2Output Current, Bus Short Circuit to Battery4.7 to 36PWM, TPU, Watchdog[object Object]
MM912JS812AMAFR2Active1K @ US$3.71Embedded MCU plus Power, Powertrain ControlLQFP-EP 100-40 to 125Watchdog Timer, PWM Capable, Output Open/Short Diagnostic, Output Current Limiting, Diagnostics Reporting, A/D Converter and Digital I/OCAN, ISO 91414.736S121405101000SPISPI12881.5, 41000, 2502.5, 61, 2Output Current, Bus Short Circuit to Battery4.7 to 36PWM, TPU, Watchdog[object Object]
MM912KS812AMAFR2Active1K @ US$4.08Embedded MCU plus Power, Powertrain ControlLQFP-EP 100-40 to 125Watchdog Timer, PWM Capable, Output Open/Short Diagnostic, Output Current Limiting, Diagnostics Reporting, A/D Converter and Digital I/OCAN, ISO 91414.736S121405101000SPISPI256121.5, 41000, 2502.5, 61, 2Output Current, Bus Short Circuit to Battery4.7 to 36PWM, TPU, Watchdog[object Object]
MM912JS812AMAFActive1K @ US$3.71Embedded MCU plus Power, Powertrain ControlLQFP-EP 100-40 to 125Watchdog Timer, PWM Capable, Output Open/Short Diagnostic, Output Current Limiting, Diagnostics Reporting, A/D Converter and Digital I/OCAN, ISO 91414.736S121405101000SPISPI12881.5, 41000, 2502.5, 61, 2Output Current, Bus Short Circuit to Battery4.7 to 36PWM, TPU, Watchdog[object Object]
Package Information
Package DescriptionOutline VersionPackingProduct StatusPart NumberChemical ContentRoHS / Pb FreeChina RoHS LookupMSLPPT (°C)
100 14*14*1.6 P0.598ASA00371DMPQ - 90 TRAYPOQ - 900 BOXActiveMM912JS812AMAFMM912JS812AMAF.pdf3260
MPQ - 800 REELPOQ - 800 BOXActiveMM912JS812AMAFR2MM912JS812AMAFR2.pdf3260
MPQ - 90 TRAYPOQ - 900 BOXActiveMM912KS812AMAFMM912KS812AMAF.pdf3260
MPQ - 1000 REELPOQ - 1000 BOXActiveMM912KS812AMAFR2MM912KS812AMAFR2.pdf3260
MM912_S812, S12XS MCU and Multifunctional Ignition and Injector Driver System In Package (SiP) - Data Sheet MM912_S812
MM912_S812FS, S12XS Multifunctional Ignition and Injector Driver - Fact Sheet MM912_S812
Engine Technology International - Article Reprint MM912_S812
98ASA00371D mm912_s812
MM912JS812AMAF.pdf mm912_s812
MM912JS812AMAFR2.pdf mm912_s812
MM912KS812AMAF.pdf mm912_s812
MM912KS812AMAFR2.pdf mm912_s812