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GL852 [USB 2.0 MTT HUB Controller ]

other parts : GL852-ONG  GL852-MSN  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONGXX  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MNG [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNN  GL852-ONG  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX  GL852-ONGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MNN [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNG  GL852-ONG  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX  GL852-ONGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MSG [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MNN  GL852-MNG  GL852-ONG  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX  GL852-ONGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MSN [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONG  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX  GL852-ONGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-ONG [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSG  GL852-MNN  GL852-MNG  GL852-MSN  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX  GL852-ONGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MNGXX [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONG  GL852-ONGXX  GL852-MSNXX  GL852-MSGXX  GL852-MNNXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MNNXX [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONG  GL852-ONGXX  GL852-MSNXX  GL852-MSGXX  GL852-MNGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MSGXX [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONG  GL852-ONGXX  GL852-MSNXX  GL852-MNNXX  GL852-MNGXX 

GENESYS
GENESYS LOGIC

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

View
GL852-MSNXX [USB 2.0 MTT HUB Controller ]

other parts : GL852  GL852-MSN  GL852-MSG  GL852-MNN  GL852-MNG  GL852-ONG  GL852-ONGXX  GL852-MSGXX  GL852-MNNXX  GL852-MNGXX 

GENESYS
GENESYS LOGIC

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

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