68HC908RF2 : Microcontroller

 

  • Available for Automotive Only


    • The MC68HC908RF2 MCU is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs). Optimized for low-power operation and available in a small 32-pin low-profile quad flat pack (LQFP), this MCU is well suited for remote keyless entry (RKE) transmitter designs.
    Page Contents
    Other Info
    68HC908RF2 Features

    • High-performance M68HC08 architecture
    • Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
    • Maximum internal bus frequency of 4 MHz at 3.3 volts
    • Maximum internal bus frequency of 2 MHz at 1.8 volts
    • 2 Kbytes of on-chip FLASH memory
    • FLASH program memory security (1)
    • 128 bytes of on-chip RAM
    • 16-bit, 2-channel timer interface module (TIM)
    • 6-bit keyboard interrupt with wakeup feature
    • External asynchronous interrupt pin with internal pullup (IRQ1)

     

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    68HC908RF2 Parametrics

    RAM
    Bytes
    Flash
    KBytes
    Timer
    I/O
    PWM
    Operating Voltage
    V
    Bus Frequency
    (Max)
    MHz
    128
    2
    1-CH, 16-Bit
    12
    See Timer
    1.8 to 3.6
    4.0

     

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    68HC908RF2 Documentation

    Application Note
    ID Name Format Size K Rev # Date Last Modified
    AN1711 DMA08 Systems Compatibilities pdf 305 0 1/01/1997
    AN2154 Low-Cost, 3-Phase, AC Motor Control System with Power Factor Correction Based on MC68HC908MR32 pdf 170 0 7/23/2001
    AN1828 FLASH Programming Via CAN pdf 74 0 1/01/1999
    AN2093 Creating Efficient C Code for the MC68HC08 pdf 35 0 1/01/2000
    AN1837 Non-Volatile Memory Technology Overview pdf 116 0 3/27/2000
    AN1705 Noise Reduction Techniques for Microcontroller-Based Systems pdf 67 0 1/01/1999
    AN1057 Selecting the Right Microcontroller Unit pdf 241 0 1/01/2000
    AN1731 VPW J1850 Multiplexing and Motorola Byte Data Link Controller (BDLC) Module pdf 235 0 1/01/1998
    AN1274 HC08 SCI Operation with Various Input Clocks pdf 57 0 1/01/1996
    AN1221 Hamming Error Control Coding Techniques with the HC08 MCU pdf 73 0 1/01/1993
    AN1219 M68HC08 Integer Math Routines pdf 170 1 1/01/1997
    AN1783 Determining MCU Oscillator Start-Up Parameters pdf 48 1 1/01/1999
    AN1771 Precision Sine-Wave Tone Synthesis Using 8-Bit MCUs pdf 250 0 1/01/1998
    AN1744 Resetting Microcontrollers During Power Transitions pdf 80 0 1/01/1998
    AN1752 Data Structures for 8-Bit Microcontrollers pdf 213 1 5/07/2001
    AN1775 Expanding Digital Input with an A/D Converter pdf 86 1 1/01/1998
    AN4006 Digital Captive Discharge Ignition System Using HC05/HC08 8-Bit Microcontrollers pdf 61 0 3/27/2000
    AN2103 Local Interconnect Network (LIN) Demonstration pdf 953 0 12/01/2000
    AN1743 Scrolling Message Software pdf 127 0 1/01/1998
    AN1263 Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers pdf 104 0 1/01/1995
    AN1259 System Design and Layout Techniques for Noise Reduction in MCU-Based Systems pdf 78 0 1/01/1995
    AN1222 Arithmetic Waveform Synthesis with the HC05/08 MCUs pdf 26 0 1/01/1993
    AN1218 HC05 to HC08 Optimization pdf 347 2 1/01/1993
    AN1050 Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers pdf 82 0 1/01/2000
    AN477 Simple A/D for MCUs without Built-In A/D Converters pdf 224 0 1/01/1993


    Data Sheets
    ID Name Format Size K Rev # Date Last Modified
    MC68HC908RF2 MC68HC908RF2 Advance Information pdf 2699 1 6/15/2001


    Engineering Bulletin
    ID Name Format Size K Rev # Date Last Modified
    EB349 RAM Data Retention Considerations for Motorola Microcontrollers pdf 45 0 6/22/2000


    Miscellaneous
    ID Name Format Size K Rev # Date Last Modified
    BR1792 BR1792 Access and Remote Control Systems pdf 717 1 4/04/2001
    BR1857 BR1857 Automotive FLASH pdf 293 0 3/26/2001


    Reference Manual
    ID Name Format Size K Rev # Date Last Modified
    CPU08RM CPU08RM Central Processor Unit Reference Manual pdf 2342 3 3/19/2001
    CPU08RMAD CPU08 Reference Manual Addendum pdf 234 0 1/01/1995
    TIM08RM TIM08 Timer Interface Module Reference Manual pdf 771 1.0 1/10/1996
    TIM08RMAD TIM08 Timer Interface Module Reference Manual Addendum pdf 557 0 1/01/1995
    DMA08RM Direct Memory Access Reference Manual pdf 463 1 2/23/2000
    M68HC08RG HC08 Family Reference Guide pdf 3374 1 2/23/2000
    M68HC08RGAD Addendum to HC08 Family Reference Guide, Revision 1 pdf 686 0 2/23/2000


    Selector Guide
    ID Name Format Size K Rev # Date Last Modified
    SG187 Automotive Selector Guide 3Q, 2001 pdf 823 7 6/29/2001
    SG188 Microcontroller Development Tool Configuration and Order Information Selector Guide pdf 154 2 1/01/2001
    SG186 Microcontroller Selector Guide Quarter 3, 2001 pdf 490 8 6/29/2001

     

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