Features
• Pins are compatible with µPD78234 Subseries, µPD784026 Subseries, and µPD784038Y Subseries
• On-chip memory capacity of µPD78234 Subseries and µPD784026 Subseries is expanded.
• Minimum instruction execution time 125 ns/250 ns/500 ns/1,000 ns (at 32 MHz operation)
• On-chip memory
• ROM
  Mask ROM : None (µPD784031, 784031(A))
    48 KB (µPD784035, 784035(A))
    64 KB (µPD784036, 784036(A))
    96 KB (µPD784037)
    128 KB (µPD784038)
  PROM : 128 KB (µPD78P4038)
• RAM : 2,048 bytes (µPD784031, 784035, 784036, 784031(A), 784035(A), 784036(A))
            3,584 bytes (µPD784037)
            4,352 bytes (µPD784038)
• I/O port: 64
• Timer/counter: 16-bit timer/counter× 3 units
                      16-bit timer× 1 unit
• Watchdog timer: 1 channel
• A/D converter: 8-bit resolution× 8 channels
• D/A converter: 8-bit resolution× 2 channels
• 12-bit PWM output: 2 channels
• Serial interface
    UART/IOE (3-wire serial I/O): 2 channels
    CSI (3-wire serial I/O, 2-wire serial I/O): 1 channel
• Interrupt controller (4-level priority)
    Vectored interrupt/macro service/context switching
• Standby function
    HALT/STOP/IDLE mode
• Clock output function
    Selectable from fCLK, fCLK/2, fCLK/4, fCLK/8, and fCLK/16 (except µPD784031)
• Power supply voltage: VDD= 2.7 to 5.5 V

APPLICATIONs
Standard-grade devices: Laser beam printers, autofocus cameras, plain paper copiers, printers, electronic
typewriters, air conditioners, electronic musical instruments, cellular phones, etc.
Special-grade  devices: Control equipment in automobile electrical system, gas detector and cut off equipment, and various safety equipment.