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JMB320

JMicron
Part Number JMB320
Manufacturer JMicron
Description Port Multiplier Chip
Published Apr 20, 2012
Detailed Description JMicron/JMB320 JMB320 Port Multiplier Chip Overview JMicron JMB320 is a single chip. It integrated three independent SA...
Datasheet PDF File JMB320 PDF File

JMB320
JMB320


Overview
JMicron/JMB320 JMB320 Port Multiplier Chip Overview JMicron JMB320 is a single chip.
It integrated three independent SATA channels and a micro-processor.
With proper setting, the chip can be configured as an 1 to 2-ports Serial ATA II Port Multiplier or a 2 to 1-port Serial ATA II Port Selector.
JMB320 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, Features Compliance • • • • Compliant with Serial ATA II Port Multiplier Spec.
Revision 1.
2 SATA Connection, eSATA) • • • • • Output swing control and automatic impedance calibration for SATA II PHY Supports asynchronous signal recovery Supports spread spectrum clocking Supports partial / slumber power saving mode Automatically speed negotiation for 3 Gbps or 1.
5 Gbps Supports BIST and loopback mode Supports staggered spin-up Supports ATAPI drives Supports Native Command Queue (NCQ) Supports Hot-Plug Supports Asynchronous Notification Supports PM aware and non-PM aware host Compliant with Serial ATA II Port Selector Spec.
Revision 1.
0 Compliant with Serial ATA II PHY Electrical Spec.
Revision 1.
0 www.
DataSheet.
co.
kr Compliant with Serial ATA High Speed Serialized AT Attachment Spec.
Revision 2.
5 General • • • • • • • Integrated 3-port SATA II PHY Integrated PLL for SATA II interface Total three independent SATA channel Integrated uP, PROM and SRAM for firmware programming Fabricated in 0.
13um CMOS Standard Logic Process 1.
3V core and 3.
3V I/O power supply Available in 48-pin QFN package • • • • • • • GPIO • • • • • Supports 15 GPIOs Supports I2C interface Supports ISA interface Supports SPI interface Supports firmware extension SATA • • Supports 3-port 3.
0Gbps SATA II interface Supports SATA II Gen2i and Gen2m (External Copyright © 2009 JMicron Inc.
All rights reserved.
Product Brief Page 1 2009/01/11 Datasheet pdf - http://www.
DataSheet4U.
net/ JMicron/JMB320 Functional Description...


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