JM20339-LGCA1C JM20339 JMICRON Hi-Speed USB to SATA Bridge (Flash Version)

JM20339-LGCA1C JM20339 JMICRON Hi-Speed USB to SATA Bridge (Flash Version)

The JM20339 is the single chip solution to bridge between USB host and SATA device. The highly integrated Hi-Speed USB and SATA Phys technology provides a cost-effective solution to apply USB to SATA device enclosure. The USB adheres the Mass Storage Class Bulk-Only Transport Specification. The embedded command parser supports both ATA and ATAPI command set with LBA48 addressing capability.


Features
Compliance with Gen1i/Gen1m of Serial ATA II Electrical Specification 2.5
Support SATA II Asynchronous Signal Recovery (Hot Plug) feature
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 PACKET command set
Support ATA/ATAPI LBA48 addressing mode
Support 12MHz external crystal or 12MHz internal embedded oscillator.
Support external NVRAM for Vender Specific VID/PID of USB Device Controller
- Support PMC/SST/ST SPI interface EEPROM for External NVRAM
Embedded 5V to 3.3V and 1.8V voltage regulator
64 LQFP package and support 5V tolerance GPIO pins
Support the external firmware flexibility
- Support PMC/SST/ST SPI interface serial flash for external firmware
- Maximum size is 16Kbyte
Support on line USB firmware update ( e.g. ISP)
Embedded six hardware PWM
-Four PWM output are located on GPIO[16, 18, 22, 23] pins
-One PWM output is located on HDDA.
-One PWM/Fading output are programmable to HDDA or other GPIO pins
Embedded 2K bytes data FIFO for USB data transfer
Embedded high performance 8-bit MCU
Support 4K sectors HDD command
Support auto-get SPI serial flash hardware engine.