GL424 datasheet(9/34 Pages) GENESYS

9 / 34 page

GL424 SD/MMC Flash Card Controller

Page 9

CHAPTER 2

FEATURES

2.1 SD Host Interface

‧ 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

2.2 MMC Host Interface

‧ 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

2.3 Flash Memory Interface

‧ 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 Datasheet(PDF) 9 Page - GENESYS LOGIC