USB2641-HZH-02 Microchip

USB2640/USB2641 Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo General Description Features The Microchip USB2640/USB2641 is a USB 2.0 com- Compliant with the following flash media card pliant, Hi-Speed hub for USB port expansion with an specifications: SD 2.0 / MMC 4.2 / MS 1.43 / MS- attached mass storage class peripheral controller. The Pro 1.02 / MS-PRO-HG 1.01 / MS-Duo 1.10 / xD controller allows read/write capability to popular flash 1.2 media from the following families: Supports a single external 3.3 V supply source TM internal regulators provide 1.8 V internal core volt- (SD) Secure Digital age for additional bill of materials and power sav- TM MultiMediaCard (MMC) ings 1 TM xD-Picture Card (xD) The transaction translator (TT) in the hub sup- (MS) Memory Stick ports operation of Full-Speed and Low-Speed The USB2640/USB2641 is a fully integrated, single peripherals chip solution providing USB expansion and integrated 9 K RAM 64 K on-chip ROM flash card media reader/writer capability of ultra high Enhanced EMI rejection and ESD protection per- performance operation. Average sustained transfer formance 2 rates exceeding 35 MB/s are possible . On board 24 MHz crystal driver circuit Optional external 24 MHz clock input Highlights 8051 8-bit microprocessor Hub controller with internally connected ultra fast Hub and flash media reader/writer configuration flash media reader/writer and 2 exposed down- 2 from a single source: External I C ROM or exter- stream ports for external peripheral expansion nal SPI ROM Flash media reader/writer employs multiplexed - Configures internal code using an external card interfaces which are optimized for use with 2 I C EEPROM single card insertion combo sockets - Supports external code using a SPI Flash Hardware-controlled data flow architecture for all EEPROM self-mapped media - Customizable vendor ID, product ID, lan- Optional support for external firmware access via guage ID SPI interface EEPROM update via USB PortMap 48-pin QFN RoHS compliant package (7 x 7 mm) - Flexible port mapping and port disable sequencing supports multiple platform Applications designs Desktop and mobile PCs PortSwap - Programmable USB differential-pair pin loca- Personal mobile devices tions eases PCB design by aligning USB sig- Printers nal traces directly to connectors GPS navigation systems PHYBoost Media Players/Viewers - Programmable USB transceiver drive Consumer A/V strength recovers signal integrity Set-top boxes 1. Support and capabilities for xD-Picture Card are not applicable for the USB2641. Please obtain a user license from the xD-Picture Card License Of- fice to support this flash media format. 2. Host and media dependent. 2015-2021 Microchip Technology Inc. DS00001947C-page 1USB2640/USB2641 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: