GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
2.4 Flash Memory Interface
• Direct interface to NAND/AND flash chips (SAMSUNG / TOSHIBA / HITACHI / RENESAS /
MICRON / ST / HYNIX)
• Direct interface to NOR/OR Flash chips (die only)
• Supports dual-channel, 16 bits flash (die only)
• Drives up to 4 flash memory chips, respectively (die only)
• Supports 64 Mb / 128 Mb / 256 Mb / 512 Mb /1Gb / 2Gb / 4Gb / 8Gb flash chips
• Embedded firmware support for flash file system (FTL)
• Built-in flash management algorithm
• Powerful ECC for error detection and correction up to 6 bytes per 512 bytes
2.5 Micro Controller and Analog System
• RISC core with fast speed and less code size
• Flexibility to update system code
• Ability to add customers’ own feature
2.6 Product Packages
• 56-pin QFN package
• 54-pin VFBGA package
2.7 Technology
• 0.18um process
2.8 Manufacture
• Easy firmware development environment
• Supports firmware upgrade tool via PC
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