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UPD78035x

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Product Overview:

The UPD78035x 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: 24 KB to 32 KB mask ROM and 32 KB flash memory
RAM capacities: 1 KB to 1.5 KB
100-pin plastic LQFP and 113-pin FBGA 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)
A circuit to multiply the subsystem clock by 4 is selectable (30.52 µs: @131 kHz operation = subsystem clock 32.768 kHz operation x 4)
I/O port: 66 (N-ch open-drain: 6 (middle voltage: 4))
10-bit resolution A/D converter: 8 channels
LCD controller/driver

  • Segment signal output: 40 max., common signal output: 4 max.
  • LCD reference voltage generator: booster type (x3 only)
  • Blinking display possible (blinking interval can be selected: 0.5 s or 1 s)

Serial interface

  • 3-wire serial I/O mode (SIO3): 1 channel - 3-wire serial I/O mode (CSI1): 1 channel - UART: 1 channel - I2C bus: 1 channel (µPD780354Y microcontroller only)

Timer: 7 channels

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

ROM correction
Vectored interrupt sources: 26

Key Applications:

  • Cordless telephones (handset), compact cameras, etc.

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