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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- GENERAL DESCRIPTION
- GL852 is Genesys Logic’s brand new Hub solutions which fully comply with Universal Serial Bus Specification Revision 2.0. This series includes GL852.
- GL852 embeds an 8-bit RISC processor to manipulate the control/status registers and respond to the requests from USB host. Firmware of GL852 will control its general purpose I/O (GPIO) to access the external EEPROM and then respond to the host the customized PID and VID configured in the external EEPROM.
- Default settings in the internal mask ROM is responded to the host without having external EEROM. GL852 is designed for customers with much flexibility. The more complicated settings such as PID, VID, and number of downstream ports settings are easily achieved by programming the external EEPROM (Ref. to Chapter 5).
- Each downstream port of GL852 supports two-color (green/amber) status LEDs to indicate normal/abnormal status.
- FEATURES
- • Compliant to USB specification Revision 2.0
- − 4 downstream ports
- − Upstream port supports both high-speed (HS) and full-speed (FS) traffic
- − Downstream ports support HS, FS, and low-speed (LS) traffic
- − 1 control pipe (endpoint 0, 64-byte data payload) and 1 interrupt pipe (endpoint 1, 1-byte data payload)
- − Backward compatible to USB specification Revision 1.1
- • On-chip 8-bit micro-processor
- − RISC-like architecture
- − USB optimized instruction set
- − Dual cycle instruction execution
- − Performance: 6 MIPS @ 12MHz
- − With 64-byte RAM and 2K internal ROM
- − Support customized PID, VID by reading external EEPROM
- − Support downstream port configuration by reading external EEPROM
- • Multiple Transaction translator (MTT)
- − MTT provides respective TT control logics for each downstream port. This is a performance better choice for USB 2.0 hub.
- • Each downstream port supports two-color status indicator, with automatic and manual modes compliant to USB specification Revision 2.0
- • Support both individual and gang modes of power management and over-current detection for downstream ports
- • Support gang mode of power management and over-current detection for downstream ports
- • Conform to bus power requirements
- • Automatic switching between self-powered and bus-powered modes
- • Integrate USB 2.0 transceiver
- • PLL embedded with external 12 MHz crystal
- • Operate on 3.3 Volts
- • Embed serial resister for USB signals and integrate pull-up resister for upstream USB signal
- • Improve output drivers with slew-rate control for EMI reduction
- • Internal power-fail detection for ESD recovery
- • 64-pin LQFP package , 48-pin LQFP package , 48-pin QFN package
- • Applications:
- − Stand-alone USB hub
- − Monitor hub
- − PC motherboard USB hub, Docking of notebook
- − Any compound device to support USB HUB function
Order guide
-
TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
-
- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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