·       USB 3.1 Gen1 to UFS 2.1/ UHS-I

·       Support TRIM for UFS

·       Support both UFS/SD cards in single card slot

Overview

The JMS901 is an innovative and cost-effective USB 3.1 Gen1 to UFS 2.1 and UHS-I bridge controller. It supports simultaneous data read/write to dual kinds of flash memory cards, SD and UFS card. The JMS901 supports TRIM to the UFS and can transmit and receive data by both of USB Mass Storage Class Bulk-Only Transport (BOT), and USB Attached SCSI Protocol (UASP) to and from the host respectively.

Key Features

·       Support TRIM to UFS

·       Integrate with USB Type-C multiplexer & configuration channel (CC) logic

·       Comply with USB Mass Storage Class, BOT (Revision 1.0) and USB Attached SCSI Protocol (UASP) Specification (Revision 4)

·       Support USB Super-Speed/High-Speed/Full-Speed Operation

·       Support USB 2.0/ USB 3.1 Gen 1 power saving mode

·       Support UFS 2.1 HS-G1A~HS-G3B & Type-I PWM G1~G5 in LS PWM mode

·       Support SDIO 3.1 (UHS-I, SDR104) with SD/SDHC/SDXC

Block Diagram