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Microdigital TK 85 Teardown

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Microdigital TK 85 Teardown, Microchips identification: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microdigital TK 85 Teardown, Microchips identification: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
Microchips identification
  • Microprocessor

  • Rom

  • Eprom

  • Ram

  • Oscilator 555. Works as an PWM 5 Volt power supply to the micropocessor.

  • Spare space for an audio integrated circuit. It was never implemented in producion in this model.

  • Voltage regulator 7805

  • Frequency divider = 6,5Mhz used for video and 3,25Mhz used for actual clock.

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