■ DESCRIPTION
MB90385 series devices are general-purpose high-performance 16-bit micro controllers designed for process control of consumer products, which require high-speed real-time processing. The devices of this series have the built-in full-CAN interface.

■ FEATURES
• Clock
    • Built-in PLL clock frequency multiplication circuit
    • Selection of machine clocks (PLL clocks) is allowed among frequency division by two on oscillation clock, and multiplication of 1 to 4 times of oscillation clock (for 4-MHz oscillation clock, 4 MHz to 16 MHz).
    • Operation by sub-clock (8.192 kHz) is allowed.
    • Minimum execution time of instruction: 62.5 ns (when operating with 4-MHz oscillation clock, and 4-time multiplied PLL clock).
• 16 Mbyte CPU memory space
    • 24-bit internal addressing
• Instruction system best suited to controller
    • Wide choice of data types (bit, byte, word, and long word)
    • Wide choice of addressing modes (23 types)
    • Enhanced multiply-divide instructions and RETI instructions
    • Enhanced high-precision computing with 32-bit accumulator
• Instruction system compatible with high-level language (C language) and multitask
    • Employing system stack pointer
    • Enhanced various pointer indirect instructions
    • Barrel shift instructions
• Increased processing speed
    • 4-byte instruction queue
• Powerful interrupt function with 8 levels and 34 factors
• Automatic data transfer function independent of CPU
    • Expanded intelligent I/O service function (EI2 OS): Maximum of 16 channels
• Low power consumption (standby) mode
    • Sleep mode (a mode that halts CPU operating clock)
    • Time-base timer mode (a mode that operates oscillation clock, sub clock, time-base timer and clock timer only)
    • Clock mode (a mode that operates sub clock and clock timer only)
    • Stop mode (a mode that stops oscillation clock and sub clock)
    • CPU blocking operation mode
• Process
    • CMOS technology
• I/O port
    • General-purpose input/output port (CMOS output) :
        MB90387, MB90F387 : 34 ports (including 4 high-current output ports)
        MB90387S, MB90F387S : 36 ports (including 4 high-current output ports)
• Timer
    • Time-base timer, clock timer, watchdog timer: 1 channel
    • 8/16-bit PPG timer: 8-bit x 4 channels, or 16-bit x 2 channels
    • 16-bit reload timer: 2 channels
    • 16-bit input/output timer
        - 16-bit free run timer: 1 channel
        - 16-bit input capture: (ICU): 4 channels
        Interrupt request is issued upon latching a count value of 16-bit free run timer by detection of an edge on pin input.
• CAN controller: 1 channel
    • Compliant with Ver2.0A and Ver2.0B CAN specifications
    • 8 built-in message buffers
    • Transmission rate of 10 Kbps to 1 Mbps (by 16 MHz machine clock)
    • CAN wake-up
• UART (SCI): 1 channel
    • Equipped with full-duplex double buffer
    • Clock-asynchronous or clock-synchronous serial transmission is available.
• DTP/External interrupt: 4 channels, CAN wakeup: 1channel
    • Module for activation of expanded intelligent I/O service (EI2OS), and generation of external interrupt.
• Delay interrupt generator module
    • Generates interrupt request for task switching.
• 8/10-bit A/D converter: 8 channels
    • Resolution is selectable between 8-bit and 10-bit.
    • Activation by external trigger input is allowed.
    • Conversion time: 6.125 µs (at 16-MHz machine clock, including sampling time)
• Program patch function
    • Address matching detection for 2 address pointers.