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PDF JMB321 Data sheet ( Hoja de datos )
| Número de pieza | JMB321 | |
| Descripción | Port Multiplier Chip | |
| Fabricantes | JMicron | |
| Logotipo |  |
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JMB321 Port Multiplier Chip
JMicron/JMB321
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
Integrated 6-port SATA II PHY
Integrated PLL for SATA II interface
Total six 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 64-pin QFN
SATA
Supports 6-port 3.0Gbps SATA II
interface
Supports SATA II Gen2i and Gen2m
(External 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 48-bit LBA addressingwww.DataSheet.co.kr
Supports ATAPI drives
Supports Native Command Queue (NCQ)
Supports Hot-Plug
Supports Asynchronous Notification
Supports PM aware and non-PM aware
host
GPIO
Supports 15 GPIOs
Supports I2C interface
Supports ISA interface
Supports SPI interface
Supports firmware extension
Functional 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.
JMB321 can work as an 1 to 5-ports Port Multiplier or 5 to 1-port Port Selector using internal embedded
Copyright © 2009 JMicron Inc. All rights reserved.
Product Brief
Page 1
2009/01/11
Datasheet pdf - http://www.DataSheet4U.net/
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet JMB321.PDF ] | |
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