GL822 Product Overview

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

Page 4

CHAPTER 2

FEATURES



USB specification compliance

-

Comply with 480Mbps Universal Serial Bus specification rev. 2.0

-

Comply with USB Storage Class specification rev. 1.0

-

Support one device address and up to four endpoints:

Control (0)/ Bulk Read (1)/ Bulk Write (2)/Interrupt (3)



Integrated USB building blocks

-

USB 2.0 transceiver macro (UTM), Serial Interface Engine (SIE), Build-in power-on reset (POR)



Embedded 8051 micro-controller

-

Embedded mask ROM and internal SRAM



Secure Digital

TM

(SD)

-

Support SD specification v1.0 / v1.1 / v2.0/ SDHC (Up to 32GB)

-

Support SD specification v3.0 UHS-I: SDR25/SDR50/DDR50/SDR104

-

Support 1.8V/3.3V switch signal pads

-

Support up to 208 MHz clock frequency

-

Support SDXC (Up to 2TB)



MultiMediaCard

-

Support MMC specification v3.x / v4.0 / v4.1 / v4.2.

-

x1 / x4 / x8 bit data bus



Memory Stick

PRO-HG / Memory Stick XC

-

Comply with Memory Stick specification: MS 1.43 / MS PRO 1.05 / MS HG Micro 1.00 / MS

PRO-HG Duo 1.03 with 8-bit data bus / MS XC 1.00

-

Support Read/Write quad data access (512Bytex4) for MS PRO-HG to enhance the transmission rate



On chip clock source (OCCS) and no need of 12MHz Crystal Clock input.



On-Chip 5V to 3.3V and 3.3V to 1.8V regulators



Support 5V to 3.3V Band Gap Regulator for stable voltage supply



Provide Over-Current protection mechanism for safety power supply



On-Chip power MOSFETs for supplying flash media card power



Support Power Saving mode/ Selective suspend mode for better power management.

Available in QFN-28(A) and LQFP-48 package.



Support external serial EEPROM interface for the flexibility to load the vendor information and system

options. Only available in LQFP-48 package.



Package available in 28 pin QFN (5x5 mm) , 28 pin SSOP (209 mil) and 48 pin LQFP(7x7 mm)

Table 2.1 - Product Difference Overview

Package Type

Version

Power Source

Power Management

SSOP-28

01, 03, …N

5V

Not support

QFN-28 (A)

01, 03, …N

3.3V

Power Saving Mode/ Selective Suspend Mode

QFN-28 (B)

02, 04, …N+1

5V

Not support

LQFP-48

01, 03, …N

5V/3.3V

Power Saving Mode/ Selective Suspend Mode