JMS586U

JMS586U

  • USB 3.2 Gen 2x2 to x2 PCIe NVMe/AHCI Gen3 x2
  • Support CLONE / Port Multiplier / Erase functions
  • Comply with USB Mass Storage Class BOT and UASP

Overview

JMS586U is a USB 3.2 Gen 2x2 to 2 ports PCIe Gen3 x2 bridge controller. The upstream port supports USB 20Gbps connectivity. The downstream port supports two PCIe Gen 3x2 ports, which can be configured to either (1) two ports of PCIe NVMe, or (2) Port0 in PCIe AHCI and Port1 in PCIe NVMe. They can be connected to the storage devices such as SSDs and CFexpress cards which NVMe/AHCI protocol with CLONE/Erase/Port Multiplier function.



Key Features

  • USB 3.2 Gen 2x2 to two PCIe Gen 3x2 Bridge
  • Integrate with USB Type-C multiplexer & configuration channel (CC) logic
  • Support TRIM to the SSD
  • Comply with PCI Express Base Specification Revision 3.1a
  • Comply with NVM Express 1.4
  • Comply with AHCI 1.3.1
  • Comply with USB Mass Storage Class, Bulk-Only Transport Specification (Revision 1.0)
  • Comply with USB Attached SCSI Protocol (UASP) Specification (Revision 4)
  • Support SSD Duplicator and Erase Function

Block Diagram

586U
586U_1
586U_2
JMS586A

JMS586A

  • USB 3.2 Gen 2x2 to PCIe NVMe/AHCI Gen3 x2
  • Support TCG passthru and TRIM command
  • Comply with USB Mass Storage Class BOT and UASP

Overview

JMS586A is a USB 3.2 Gen 2x2 to 2 ports PCIe Gen 3x2 bridge controller. The upstream port supports USB 20Gbps connectivity. The downstream port supports two PCIe Gen 3x2 ports, which can be configured to either (1) one PCIe AHCI/NVMe Gen 3x2 port, or (2) Port0 in PCIe AHCI Gen 3x2 and Port1 in PCIe NVMe Gen 3x2. They can be connected to the storage devices such as SSDs and CFexpress cards which NVMe/AHCI protocol.



Key Features

  • Support USB 3.2 Gen 2x2, up to 20Gb/s
  • Integrate with USB Type-C multiplexer & configuration channel (CC) logic
  • Support TRIM to the SSD
  • Comply with PCI Express Base Specification Revision 3.1a
  • Comply with AHCI 1.3.1
  • Comply with NVM Express 1.4
  • Comply with USB Mass Storage Class, Bulk-Only Transport Specification (Revision 1.0)
  • Comply with USB Attached SCSI Protocol (UASP) Specification (Revision 4)
  • Support SCSI to AHCI ATA / NVM Express pass-through command

Block Diagram

JMS586A
586A_1
JMS586A (1)
JMS583

JMS583

  • USB 3.1 Gen 2 to PCIe NVMe Gen3 x2
  • Support TCG passthru and TRIM command
  • Comply with USB Mass Storage Class BOT and UASP

Overview

JMS583 is a USB 3.1 Gen 2 to PCIe Gen3 x2 bridge controller between USB host and PCIe storage device. The USB 3.1 Gen2 interface offers data transfer speed up to 10Gbps, doubling the USB 3.1 Gen 1 data rate. Meanwhile, the downstream port of the JMS583 is compatible with storage device with PCIe interface, such as SSD and CFexpress card.



Key Features

  • Integrate with USB Type-C multiplexer & configuration channel (CC) logic
  • Support TRIM to the SSD
  • Comply with PCI Express Base Specification Revision 3.1a
  • Comply with NVM Express 1.3
  • Comply with USB 3.1 Gen 1 and Gen 2 Specification, USB Mass Storage Class, Bulk-Only Transport Specification (Revision 1.0)
  • Comply with USB Attached SCSI Protocol (UASP) Specification (Revision 4)
  • Support external SPI NVRAM for Vendor VID/PID of USB 2.0/USB 3.1 Gen 1/2 device controller

Block Diagram

JMS583
TOP