GL424 Genesys Logic, GL424 Datasheet - Page 9

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GL424

Manufacturer Part Number
GL424
Description
Sd/mmc Flash Card Controller
Manufacturer
Genesys Logic
Datasheet
CHAPTER 2 FEATURES
2.1 SD Host Interface
2.2 MMC Host Interface
2.3 Flash Memory Interface
©2000-2007 Genesys Logic Inc. - All rights reserved.
Complies with SD Specification, Version 2.0
Complies with SD Specification, Version 1.1
Complies with SD Specification, Version 1.0
Supports SPI mode and CPRM functions
Supports clock rate up to 25 MHz for SD1.0
Supports clock rate up to 52 MHz for SD1.1 and SD2.0
Buffers for multi-block flash memory programming
DMA operation between buffers and flash memory
Supports automatic CRC16 generation and verification on DATA3-0
Supports SD card exceed 4Gbytes capacity
Complies with MultiMediaCard System Specification, Version 4.0
Complies with MultiMediaCard System Specification, Version 3.3
Supports SPI mode and CPRM functions
Supports clock rate up to 20 MHz for MMC3.3
Supports clock rate up to 52 MHz for MMC4.0
Buffers for multi-block flash memory programming
DMA operation between buffers and flash memory
Supports automatic CRC16 generation and verification on DATA7-0
Direct interface to NAND/AND flash chips (SAMSUNG / TOSHIBA / HITACHI / RENESAS /
MICRON / ST / HYNIX)
Supports dual-channel, 16 bits flash (VFBGA54 package and die)
Drives up to 4 flash memory chips, respectively (VFBGA54 package and die)
Supports 64M / 128M / 256M / 512M / 1G / 2G / 4G / 8G bits 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 512bytes
GL424 SD/MMC Flash Card Controller
Page 9

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