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UPD78031x

The UPD78031x microcontroller is 8-bit microocntroller for LCD control applications.

 

Key Features:

  • Operating voltage: VDD = 1.8 to 5.5 V
  • Max. frequency: 10 MHz
  • ROM capacities: 48 KB to 60 KB mask ROM and 60 KB flash memory
  • RAM capacities: 2.5 KB
  • 120-pin plastic TQFP package
  • Minimum instruction execution time changeable from high speed (0.2 µs: @10 MHz operation with main system clock) to ultra-low speed (122 µs: @32.768 kHz operation with subsystem clock)
  • Instruction set suited to system control
    • Bit manipulation possible in all address spaces
    • Multiply and divide instructions

 

  • I/O port: 70 (Medium voltage N-ch open-drain: 4)
  • 10-bit resolution A/D converter: 10 channels
  • 8-bit resolution D/A converter: 1 channel
  • LCD controller/driver
    • Segment signal output 24 max.
    • LCD reference voltage generator: booster type (x3 only)
    • Fine tuning of LCD reference voltage possible with external resistor
    • Blinking display possible (blinking interval can be selected: 0.5 s or 1 s)
    • Static display and dynamic display (1/3 bias only) can be used simultaneously (Static display up to 12)

 

  • Serial interface
    • UART/3-wire serial I/O mode: 1 channel
    • 3-wire serial I/O mode: 1 channel

 

  • Timer: 7 channels
    • 16-bit timer/event counter: 2 channels
    • 8-bit timer/event counter: 3 channels
    • Watch timer: 1 channel
    • Watchdog timer: 1 channel

 

  • ROM correction
  • Vectored interrupt sources: 25
  • 2 types of on-chip clock oscillators (main system clock and subsystem clock)

 

Pin Count / Memory Size Lineup:

Below you will find information to support the development of your application.
You can find an explanation of orderable part numbers here.

 

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