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JM20335 - Hi-Speed USB to PATA Bridge

General Description

The JM20335 is single chip solution to bridge between Hi-Speed USB and ATA/ATAPI-based mass storage device.

It provides the capability to translate USB mass storage commands to ATA/ATAPI communication protocol.

Key Features

  • Compliance with USB 2.0 electrical specification.
  • Support USB High-Speed and Full-Speed Operation.
  • Compliance with USB Mass Storage Class, Bulk-Only Transport Specification.
  • Support ATA/ATAPI Ultra DMA Mode 0, 1, 2, 3, 4, 5.
  • Support ATA/ATAPI Multi-Word DMA Mode 0, 1, 2.
  • Support ATA/ATAPI PIO Mode 0, 1, 2, 3, 4.
  • Support ATA/ATAPI PACKET command set.
  • Support ATA/ATAPI LBA48 addressing mode.
  • Support dual LUN (Logic U.

📥 Download Datasheet

Datasheet Details

Part number JM20335
Manufacturer JMicron
File Size 162.48 KB
Description Hi-Speed USB to PATA Bridge
Datasheet download datasheet JM20335 Datasheet

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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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JMicron/JM20335 JM20335 Hi-Speed USB to PATA Bridge Description The JM20335 is single chip solution to bridge between Hi-Speed USB and ATA/ATAPI-based mass storage device. It provides the capability to translate USB mass storage commands to ATA/ATAPI communication protocol. The USB adheres the Mass Storage Class Bulk-Only Transport Specification, and supports dual LUN operation, which could connect to two ATA/ATAPI devices. The embedded command parser supports both ATA and ATAPI command set with LBA48 addressing capability. This chip is designed by 0.18um CMOS technology with 64 LQFP package . Features • Compliance with USB 2.