MC705J1ACDWE

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1. Describe

MC705J1ACDWE is Motorola's low-cost, high-performance M68HC05 series 8-bit microcontroller unit (microcontroller). The M68HC05 series is based on a customer-specific integrated circuit (CSIC) design strategy. All MCUs in this series use the popular M68HC05 central processing unit (CPU) and provide various subsystems, memory sizes and types, and package types. The on-chip memory of MC68HC705J1A includes 1240 bytes of Erasable programmable read-only memory (EPROM). In the package There is no transparent window for EPROM erasing, 1240 EPROM These bytes are used as one-time programmable read-only memory (OTPROM).

2. Feature

    1. External interrupt (edge and Only level sensitive or edge sensitive)

    2. On-chip oscillator with the following connections:

        - crystal

        - Ceramic resonator

        - Resistor Capacitor (RC) Oscillator

        - External clock

    3. 1240 bytes of EPROM/OTPROM, including 8 bytes for users to use vector

    4. 64 bytes of user random access memory (RAM)

    5. Memory mapped I/O register

    6. Fully static operation without minimum clock speed

    7. Energy-saving stop, pause, wait and data retention modes

    8. External interrupt mask bit and confirmation bit

    9. Illegal address reset

  10. Internal steering diode and pull-up resistor from RESET pin to VDD

3. Pin configuration

4. product description