Document
USB2640i/USB2641i
Industrial Temperature USB 2.0 Flash Media Controller and USB Hub Combo
PRODUCT FEATURES
Datasheet
General Description
Features
The SMSC USB2640i/USB2641i is a USB 2.0 compliant, HiSpeed hub for USB port expansion with an attached mass storage class peripheral controller. The controller allows read/write capability to popular flash media from the following families:
Secure DigitalTM (SD)
MultiMediaCardTM (MMC) xD-Picture CardTM (xD)1 Memory Stick®(MS)
The USB2640i/USB2641i is a fully integrated, single chip solution providing USB expansion and integrated flash card media reader/writer capability of ultra high performance operation. Average sustained transfer rates exceeding 35 MB/s are possible2.
Highlights
Hub controller with internally connected ultra fast flash media reader/writer and 2 exposed downstream ports for external peripheral expansion
Flash media reader/writer employs multiplexed card interfaces which are optimized for use with si.