ZX-204

SKU: ZX-204

ZX-204 UNIVERSAL DISKETTE CONTROLLER

  • Single and Double Density IBM Formats 
  • 5 Volt only Operation
  • Direct Memory Access Controller
  • Standard and Mini FDD Interfaces
  • MULTIBUS Compatible
  • Bus Arbitrator for Master Mode Operation 
  • Memory-to-Memory Block Move Latch
  • Digital Data Separator
  • Up to 4 M BYTES of Storage
  • Write Precompensation On-Line

The ZX-204 is intended for use by the OEM systems designer who requires the maximum in speed and efficiency and a minimum of hardware costs in a Diskette Controller. The ZX-204 includes an integrated Floppy Disk Controller (FDC) chip, DMA Controller, Digital Data Separators, MULTIBUS Arbitration Logic, Standard and Mini FDD Interface, and MULTIBUS Interface circuits all on a standard sized card that requires 5 Volts only.

The disk operation is set-up and described by 10 Channel Commands and data transfers are carried out by a Direct Memory Access (DMA) Controller. The operation when complete is signaled by interrupt and the results are obtainable by further 10 Channel Command executions.