■ DESCRIPTION
MB89820 series is a line of single-chip microcontrollers using the F2MC-8L* CPU core which can operate at low voltage but at high speed. In addition to an LCD controller/driver allowing 200-pixel display the microcontrollers contain a variety of peripheral functions such as timers, a UART, a serial interface, and an external interrupt. The configuration of the MB89820 series is therefore best suited to control of LCD display panels.

■ FEATURES
• Minimum execution time : 0.8 µs/5 MHz (VCC = +5.0 V)
• F2MC-8L family CPU core
    Instruction set optimized for controllers
                              Multiplication and division instructions
                              16-bit arithmetic operations
                              Test and branch instructions
                              Bit manipulation instructions, etc.
• LCD controller/driver
    Max 50 segments × 4 commons
    Divided resistor for LCD power supply
• Three types of timers
    8-bit PWM timer (also usable as a reload timer)
    8-bit pulse width count timer (also usable as a reload timer)
    20-bit time-base timer
• Two serial interfaces
    8-bit synchronous serial interface (Switchable transfer direction allows communication with various equipment.)
    UART (5-, 7-, 8-bit transfer capable)
• External interrupt : 2 channels
    Capable of wake-up from low-power consumption modes (with an edge detection function)
• Low-power consumption modes
    Stop mode (Oscillation stops to minimize the current consumption.)
    Sleep mode (The CPU stops to reduce the current consumption to approx. 1/3 of normal.)