GENERAL DESCRIPTION
The  GL824/824C  USB  On-The-Go  (OTG)  Dual-Role-Device  controller  which  include  Milti-I/F  and ATA/ATAPI  interface  is  a  highly  integral  microprocessor,  which  optimized  and  specially  designed  for embedded  system,  portable  device,  multi-function  peripheral  and  consumer  products  with  External  uP interface,  SSI,  I2C  and  Flash  cards  interface.Using  the  GL824,  developers  can  create  OTG-compliant dual-role  products  capable  of  point-to-point  communication.  Its  focus  on  power  efficiency  makes  the  GL824 ideal  for  set  top  box,  DVD  player,  PDA,  PMP,  Digital  TV and home  entertainment  with  USB  OTG  and  Flash card reader.

FEATURES
·    USB OTG Controller
-  Compliant with USB speci fication Rev . 2.0 at high-speed and full-speed data transfer rate
-  Compliant with On-The-Go (OTG) supplement Rev . 1.0
-  Complies with USB Storage Class specification rev. 1.0
-  Support Suspend, Resume, HNP and SRP
-  External source to drive Vbus signal
-  Supports1 device address and up to4 endpoints: Control (0)/ Bulk Read (1)/ Bulk Write (2)/Interrupt (3).
·  Integrated USB  building blocks
-  USB2.0 transceiver macro (UTM), Serial Interface Engine (SIE), Build-in power-on reset (POR) and low-voltage detector (LVD)
·  Embedded 8051 micro-controller
-  Operate @ 60 MHz clock, 1 clocks per instruction cycle
-  Embedded 64K*2 Byte reprogrammable flash memory and internal 256 byte SRAM
-  Embedded 8K Byte external SRAM
·  Support power saving mode
·  Support firmware upgrade via USB and external serial flash memory
·  On-Chip power MOSFETs for supplying flash media card power except Compact Flash. (GL824 only)
·  Interface
-  Support external SDRAM interface (option)
-  Support 16bit host interface (Support external uP Read/Write Status/Command and Read/Write FIFO) (option)
-  Supports  A TA/A TAPI interface
-  Support serial MP3 decoder interface
-  Support serial LCD Panel interface
-  Support memory cards interface
-  Support SSI interface for master and slave mode up to 15MHz
-  Support I2C interface
-    Support UAR T interface
·  ATA/ATAPI interface
-  Complies with ATA/ATAPI-6 specification rev 1.0
-  Support 16-bit Multiword DMA mode and Ultra DMA mode interface (Ultra 33/66)
·  CompactFlash^TM interface ( GL824 only )
-  Support CFA specification v2.1 / v3.0
-  Support True IDE mode
-  Support 8 / 16 bit data mode and different timing