Mr. Judd HeapeWrong Judd Heape?
Vice President of Product Applica...
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"Handheld device designers are looking to expand their product's data storage beyond the 8 Gbyte limit of today's memory cards, but don't want to use hard disk drives," said Judd Heape, QuickLogic's senior director of systems engineering.
The base SDIO controller supports SD, SDHC, and MMC memory cards with 4-bit and 8-bit widths. The enhanced design includes multi-drive control logic and a multiplexer to connect the controller to multiple cards using a single set of I/O lines. Cards can be of any capacity to as large as the 32 Gbytes that the SD 2.0 specification allows. Mr. Heape pointed out that this would permit a four-card implementation to give a portable device up to 128 Gbytes of storage, comparable to mini hard drives but with the reliability and flexibility advantages of removable solid state memory.
Because the controller treats each card slot as an independent solid state drive, users can mix card types and capacities in the slots without restriction.
"The performance enhancement that the new UDMA PSB gives our ATA interface will support the design of mobile devices that stream movies from a hard disk drive," said QuickLogic's Principal Architect and Senior Director of Systems Engineering, Judd Heape.