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DP8350 - Programmable CRT Controllers

General Description

The DP8350 Series of CRT Controllers are single

chip bipolar (12L technology) circuits in a 40'pin package.

They are designed to be dedicated CRT display refresh circuits.

Key Features

  • Internal crystal controlled dot rate oscillator.
  • External dot rate clock input.
  • Buffered dot rate clock output.
  • Timing pulses for character generation.
  • Character memory address outputs (12 bits).
  • Internal cursor address register.
  • Internal row starting address register.
  • Top.
  • of.
  • page address register (for scrolling) Three on.
  • chip registers provide for external loading of the row starting address, cursor address, a.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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~National ~ Semiconductor AUGUST·1978 DP8350 Series Programmable CRT Controllers General Description The DP8350 Series of CRT Controllers are single·chip bipolar (12L technology) circuits in a 40'pin package. They are designed to be dedicated CRT display refresh circuits. The CRTC also provides system sync and program inputs including 50/60 Hz control, system clear, external character/1 ine rate clock, and character generator pro· gram. The CRT Controller (CRTC) provides an internal dot rate crystal controlled oscillator for ease of system design. For systems where a dot rate clock is al ready provided, an external clock input may be used by the CRTC. In either case system synchronization is made possible with the use of the buffered Dot Rate Clock Output.