Datasheet Microchip USB4640-HZH-03 — Datenblatt

USB4640/USB4640i
High-Speed Inter-Chip (HSIC) USB 2.0 Hub
and Flash Media Controller
PRODUCT FEATURES Datasheet General Description Features The SMSC USB4640/USB4640i is a Hi-Speed HSIC USB
hub and card reader combo solution with an upstream port
that is compliant to HSIC 1.0 (supplement to the USB 2.0
Specification). The two downstream ports are compliant with
the USB 2.0 Specification.
High-Speed Inter-Chip (HSIC) is a digital interconnect bus
that enables the use of USB technology as a low-power chipto-chip interconnect at speeds up to 480 Mb/s. The HSIC
interface is an industry standard 2-pin digital interface which
uses standard USB software. The USB4640/USB4640i
provides an ultra fast interface between an HSIC enabled
host and several popular flash media formats. The controller
allows read/write capability to flash media from the following
families:
—
—
—
— Secure DigitalTM (SD)
MultiMediaCardTM (MMC)
Memory StickВ® (MS)
xD-Picture CardTM (xD)1 пЃ® пЃ® пЃ® пЃ® пЃ® пЃ® пЃ® пЃ® The USB4640/USB4640i combo solution leverages SMSC’s …