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   | Product Brief
ATP 865
PCI Ultra ATA133 IDE Chip
 
 
Overview

The ATP865 is a high performance IDE controller for PCI bus, aiming to suit file server class or RAID application and it meets the ATA-6 specification and IDE PIO mode, multiword DMA and Ultra DMA modes, up to 133MB/s rate.

ATP865 conforms to PCI 32-bit bus Master transfer capability including PCI enhanced data transfer commands (133 MB/s),and provides the Scatter/Gather to reduce interrupt handle and improve performance. Also, provides the PCI power management capability meet the mother board and add-in card design.

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Specifications

PCI interface

  • PCI specifications Rev.2.1 compliant.

  • PCI Bus Power Management Interface Specification Ver.1.1 compliant.

  • Both PIO mode and master DMA mode support.

  • 32-bit PCI bus master burst data rate up to 133 MB/s.

  • Fully PCI configuration header support.

  • Scatter/Gather function compliant to Bus Master Programming Interface for IDE ATA Controller Rev 1.0.

  • Flash ROM interface setup utility and booting

  • 128Pins PQFP package.

IDE interface
  • Conforms to ATA-6 specification.

  • Support PIO mode 0, 1, 2, 3 and 4 over 16.6MB/s data rate.

  • Supports multiword DMA mode 0, 1, 2 over 16.6MB/s data rate.

  • Supports Ultra DMA 0, 1, 2, 3, 4, 5, 6 up to 133MB/s rate.

  • Support two independent IDE channels (each channel supports two devices).

  • Independent timing for disk command and data register.

  • Programmable active and recovery cycle register timing per disk.

  • Each IDE channel consist of 128 byte FIFO for Write Back or Read Ahead buffers.

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