Datasheet Details
| Part number | JMB321 |
|---|---|
| Manufacturer | JMicron |
| File Size | 238.44 KB |
| Description | Port Multiplier Chip |
| Datasheet | JMB321_JMicron.pdf |
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Overview: 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. pliance pliant with Serial ATA II Port Multiplier Spec. Revision 1.2 pliant with Serial ATA II Port Selector Spec. Revision 1.0 pliant with Serial ATA II PHY Electrical Spec. Revision 1.0 pliant with Serial ATA High Speed Serialized AT Attachment Spec. Revision 2.5 General .DataSheet.co.kr 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 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 addressing Supports ATAPI drives Supports Native mand 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 SATA Supports 6-port 3.
| Part number | JMB321 |
|---|---|
| Manufacturer | JMicron |
| File Size | 238.44 KB |
| Description | Port Multiplier Chip |
| Datasheet | JMB321_JMicron.pdf |
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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.
JMB3
| Part Number | Description |
|---|---|
| JMB320 | Port Multiplier Chip |
| JMB322 | RAID Port Multiplier |
| JMB310 | USB2.0 UVC WebCam Controller |
| JMB311 | USB2.0 UVC WebCam Controller |
| JMB312 | USB2.0 UVC WebCam Controller |
| JMB313 | USB2.0 UVC WebCam Controller |
| JMB350 | SATA II Port Multiplier |
| JMB352 | High-Speed USB & SATA II Combo to Dual SATA II RAID Bridge |
| JMB352U | High-Speed USB & SATA II Combo to Dual SATA II Port Multiplier(1 to 2) Bridge |
| JMB353 | 1394a + USB20 to SATA Host Adapter |