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SDIO card controller ASIC improves performance

Posted: 18 May 2006     Print Version  Bookmark and Share

Keywords:Arasan Chip Systems Inc.  SDIO Card Controller ASIC  electronic design services 

Arasan Chip Systems Inc. has launched its next generation SDIO card controller ASIC, the AC2200i. The AC2200i is designed using the company's SDIO card controller IP core technology, which has been licensed by over 50 companies worldwide. Arasan, supplier of reusable intellectual property (IP) cores, semiconductors and electronic design services, is headquartered in San Jose, California, with design centres in India.

"The AC2200i improves performance, compatibility and adds features while maintaining pin compatibility with the AC21C00. We would like the transition to be easy on our customers." says Rich Timpa, vice president of sales at Arasan.

The AC2200i has also been upgraded to the SDIO Specification Version 1.20, which supports 200Mbps transfers at 50MHz throughput in SD-4 bit mode. In order to utilise this throughput increase, and make the AC2200i suitable for a wider range of applications, SPI mode, 8051 mode (8/16bit) and APB mode have been added. The AC2200i has been tested with a wide range of PDAs, smart phones and multimedia devices.

"To further reduce system costs we have eliminated the need for an EPROM when the AC2200i is used in UART Mode, and if an external EPROM is attached, it can be easily programmed from the host platform eliminating the need for expensive EPROM programmers," explained Prakash Kamath, vice president of engineering at Arasan.

An SDIO in a Box hardware development kit (HDK) is available to customers using the AC2200i in UART mode. An HDK, SDIO in a Box DLX will be made available to those using SPI, 8051 or APB modes.

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