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The West Bridge Astoria peripheral controller supports up to 16 MLC (multi-level-cell) NAND Flash devices, which, for the same storage density, cost approximately three times less than SLC (single-level-cell) alternatives. The controller delivers the same industry-leading, high-speed USB data-transfer performance as the West Bridge Antioch controller. The Astoria version adds to this performance with a configurable multimedia storage interface and a flexible processor interface, easing connections to a broad range of embedded processors and mass-storage devices. The controller marks the debut of Cypress's fast-interleaving N-Xpress MLC NAND Flash control technology, with static wear-leveling, bad-block management and 4-bit ECC (error-correction coding). The storage port can be configured so designers can select up to two SDIO devices, such as Bluetooth, Wi-Fi, GPS, and SD cards. The IC also supports other types of storage from a list that includes Secure Digital High Capacity (SDHC) v. 2.0, MultiMedia Card+ (MMC+) v. 4.2 cards, CE-ATA for HDD, as well as various types of controlled NAND. It features up to 27 programmable GPIOs and 16 USB end points. It comes in a 100-ball VFBGA (Very Fine Ball Grid Array) package that measures only 6x6mm, with a 0.5mm pitch.