PDF JM20337 Download

Description

The JM20337 is single chip solution to bridge between USB 2.0, SATA and ATA/ATAPI-based mass storage device.

It provides the capability to translate USB 2.0 mass storage commands to serial ATA and ATA/ATAPI communication protocol. The USB adheres to the Mass Storage Class Bulk-Only Transport Specification, and supports dual LUN operation, which could connect to two ATA/ATAPI devices or one ATA/ATAPI device associated with one SATA device.

The embedded command parser supports both ATA and ATAPI command set with LBA48 bit addressing capability.

Features : 

1. Compliance with Gen1i, and Gen1m of Serial ATA II Electrical Specification 1.0

2. Support SATA spread-spectrum transmitter

3. Support SATA II Asynchronous Signal Recovery (Hot Plug) feature

4. Compliance with USB 2.0 (Hi-Speed) electrical specification