JMB321 - Port Multiplier Chip

Description

JMB321 is a highly integrated single chip.

It integrates six high-speed Serial I/O’s, three SATA upper layers, a microprocessor, SRAM, PROM, a highly efficient data bus and other control logic into the chip.

JMicron

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Datasheet Details

Part number	JMB321
Manufacturer	JMicron
File Size	238.44 KB
Description	Port Multiplier Chip
Datasheet	JMB321 Datasheet
Additional preview pages of the JMB321 datasheet.

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Full PDF Text Transcription

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JMicron/JMB321 JMB321 Port Multiplier Chip Overview JMicron JMB321 is a single chip. It integrated six independent SATA channels and a micro-processor. With proper setting, the chip can be configured as an 1 to 5-ports Serial ATA II Port Multiplier or a 5 to 1-port Serial ATA II Port Selector. JMB321 contains 15 GPIOs which can be configured as various standard interfaces. It also has the capability to load external firmware code to extend its functionality. Compliance Compliant with Serial ATA II Port Multiplier Spec. Revision 1.2 Compliant with Serial ATA II Port Selector Spec. Revision 1.0 Compliant with Serial ATA II PHY Electrical Spec. Revision 1.0 Compliant with Serial ATA High Speed Serialized AT Attachment Spec. Revision 2.5 General www.DataSheet.co.

Published: Apr 20, 2012 |