GL822 Product Overview

©2012 Genesys Logic, Inc. - All rights reserved.

Page 6

MCU

8051 micro-controller inside.

 8051 Core

Compliant with Intel 8051 high speed micro-controller

 ROM

FW code on ROM

 SRAM

Internal RAM area for MCU access



MHE

 MIF

Media Interface: SD/MMC/MS/MS PRO/MS PRO-HG

 MCFIFO

It can access by MCU for memory card short data packet.

Regulator

 5V to 3.3V

Band Gap Regulator for stable voltage supply for USB PHY, PMOS..

When Power source is 3.3V, the 5V to 3.3V regulator will be disabled.

 3.3V to 1.8V

For core logic and internal memory.

PMOS

On-Chip power MOSFETs provide Over-Current protection mechanism.