GL852

GL852 is Genesys Logic’s premium 4-port Hub solution which fully complies with Universal Serial Bus Specification Revision 2.0. GL852 implements multiple TT* (Note1) architecture that provide dedicated TT* to each downstream (DS) ports, which guarantee Full-Speed(FS) data passing bandwidth when multiple FS device perform heavy loading operations. The controller inherits Genesys Logic’s cutting edge technology on cost and power efficient serial interface design. GL852 has proven compatibility, lower power consumption figure and better cost structure above all USB2.0 hub solutions worldwide.

GL852 implements multiple hub configuration features onto internal mask ROM, which traditionally requires one external EEPROM. The microprocessor detects general purpose I/O (GPIO) status during the initial stage to configure hub settings such as (1) number of DSport, (2) declare of compound device (3)gang/individual mode selection…etc. External EEPROM can be removed if no vendor specified PID/VID or product string is required for the application.

GL852 supports four package types, summarized as below table. LQFP48 package provides full hub features such as (1) two-color (green/amber) status LEDs for each DS ports,(2) Individual/Gang mode power management scheme that indicates DS port over-current events. (3) Number of DS ports setting configured by GPIO setting (4) non-removable declaration configured by GPIO setting (5) Support both 93C46 and 24C02 EEPROM (6) power switch polarity selections…etc. QFN28 package support only partial hub features but provide smaller footprint (5x5mm) that targets space limited PCB layout environments such as embedded system or UMPC/MID applications.

 GL852 package – feature summary

Supplier

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	Part Number	Mfg	Pack	D/C	Qty	Note

	GL852		QFP		20
	HK MEIHANG TECHNOLOGY CO.,LTD China (Mainland) Contact: Ms. Ruby   Tel: 86-755-83752779 Fax: 86-755-83752881

	GL852	GENESYS	LQFP		2142
	Majestic Trading Development Co., Ltd China (Mainland) Contact: Ms. Ivy Tian   Tel: 86-755-8300 2395 Fax: 86-755-8300 2466

	GL852	GENESYS	LQFP	08+	2750	instock,original,good price,
	Big Seashell Electronic Co. China (Mainland) Contact: Mr. Jayco   Tel: +86-189-2479-1245 Fax: +86-755-8253-6827

	GL852			08+	9245
	E-Sailing Electronic Tech Co.,Ltd. China (Mainland) Contact: Ms. Lee   Tel: 86-755-83669519 Fax: 86-755-83669519

	GL852	GENESYS		08+	2500
	Section Yida Electronics (HK) Co.,Limited Hong Kong Contact: Ms. joe   Tel: 852-8135-7827 Fax: 852-8135-7904

	GL852	GENESYS	QFP	02+	908
	DINGXING (HK) ELECTRONIC CO.,LIMITED China (Mainland) Contact: Mr. Jack Chan   Tel: 86-755-88359349 Fax: 86-755-83232768

	GL852				1200
	A-GRADE ELECTRONICS COMPANY China (Mainland) Contact: Ms. Nancy Cheng   Tel: 86-755-85548532 Fax: 86-755-85545755

	GL852	142	GENESYS	08+
	JFJ Electronics Co.,Ltd China (Mainland) Contact: Ms. Vivi   Tel: 86-0755-82861472 Fax: 86-0755-82539692

	GL852			08+	9245
	Anterwell Technology Ltd. China (Mainland) Contact: Ms. Ellen   Tel: 86-755-61352205 Fax: 86-755-61352206

	GL852	Genesys	QFP	07+	37
	Windy Int'l Electronics Tech (HK) Limited Hong Kong Contact: Ms. Jenny   Tel: 86-852-30591777 Fax: 86-852-30592232

	GL852	1200
	ZHW HIGH-TECH (HK) Company Limited China (Mainland) Contact: Mr. Jack wei   Tel: 0086-0755-84157334 Fax: 0086-0755-84155119

	GL852	GENESYS		08+	142	NEW&ORIGINAL
	ANP Technology (HK) Co., Ltd Hong Kong Contact: Mr. Starbuck   Tel: 86-0755-82543553 Fax:

	GL852	Genesys	QFP	09+	6973
	YRT(HK) ELECTRONIC TECHNOLOGY LIMITED China (Mainland) Contact: Mr. WU jack   Tel: 886-0755-83331339 Fax: 886-0755-83373250

	GL852	Genesys			111	original STOCK
	HK JIAWEIYI TECHNOLOGY LIMITED China (Mainland) Contact: Ms. liya wang   Tel: 86-755-83001206 Fax: 86-755-83798223

	GL852	CYPRESS	QFP		230	New & Original
	Good Electronic Co.,Limited China (Mainland) Contact: Mr. ke   Tel: 86-0755-83237973 Fax: 86-0755-82544600

	GL852	GENESYS	QFP	06+	10	new and original
	Bizon Industry Co., Limited China (Mainland) Contact: Ms. Echo   Tel: 0086-0755-82567682 Fax: 0086-0755-82567683

	GL852	Genesys	9+		900
	HK TOSEN TRADE LTD China (Mainland) Contact: Mr. Richard   Tel: 0086-0754-84478540 Fax: 0086-0754-84478540

	GL852	GL	TQFP	09+	20	New and original
	HK CHEONG TAI ELECTRONIC TECHNOLOGY CO.,LIMITED China (Mainland) Contact: Mr. jackie   Tel: 86-755-8366-6525 Fax: 86-755-8322-4745

	GL852	GENESYS	QFP	06＋	3680	new and original
	Beijing United Rayleigh co.,Ltd China (Mainland) Contact: Ms. qi   Tel: 086-010-63820211 Fax: 086-010-63717988

	GL852	CYPRESS	QFP		230	New & Original
	HONGKONG HUNGYICK ELECTRONICS CO.,LIMITED  China (Mainland) Contact: Ms. Daisy   Tel: 86-754-88884972 Fax: 86-754-88877763

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