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CY7C65640A_09 Datasheet, PDF (1/23 Pages) Cypress Semiconductor – TetraHub™ High Speed USB Hub Controller | |||
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CY7C65640A
TetraHub⢠High Speed USB
Hub Controller
Features
â USB 2.0 hub
â Four downstream ports
â Multiple transaction translators - one per downstream port for
maximum performance
â VID, PID, and DID configured from external SPI EEPROM
â 24 MHz external crystal
â Small package - Quad Flat Pack, no leads (QFN)
â Integrated upstream pull up resistor
â Integrated downstream pull down resistors for all downstream
ports
.
Logic Block Diagram
D+
Dâ
24 MHz
Crystal
USB 2.0 PHY
PLL
USB Upstream
â Integrated upstream and downstream series termination
resistors
â Configurable with external SPI EEPROM
â Number of Active Ports
â Number of Removable Ports
â Maximum Power
â Hub Controller Power
â Power-On Timer
â Overcurrent Timer
â Disable Overcurrent Timer
â Enable Full Speed Only
â Disable Port Indicators
â Gang Power Switching
â Enable Single TT Mode Only
â Enable NoEOPatEOF1
Serial
Interface
Engine
High speed
USB Control Logic
SPI Communication
Block
SPI_SCK
SPI_SD
SPI_CS
Hub Repeater
Transaction Translator (X4)
TT RAM
Routing Logic
USB Downstream
USB Port Pow- Port
2.0 er Control Sta-
USB Downstream
USB Port Pow- Port
2.0 er Control Sta-
USB Downstream
USB Port Pow- Port
2.0 er Control Sta-
USB Downstream
USB Port Pow- Port
2.0 er Control Sta-
D+ Dâ PWR#[1 OVR#[1LED D+ Dâ PWR#[2 OVR#[2LED D+ Dâ PWR#[3 OVR#[3LED D+ Dâ PWR#[4 OVR#[4LED
Cypress Semiconductor Corporation ⢠198 Champion Court
Document #: 38-08019 Rev. *J
⢠San Jose, CA 95134-1709 ⢠408-943-2600
Revised February 10, 2009
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