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CY7C65640A_11 Datasheet, PDF (1/25 Pages) Cypress Semiconductor – TetraHub™ High Speed USB Hub Controller
CY7C65640A
TetraHub™ High Speed USB
Hub Controller
TetraHub™ High Speed USB Hub Controller
Features
■ USB 2.0 Hub
■ Four Downstream Ports
■ Multiple Transaction Translators - One per Downstream Port
for Maximum Performance
■ VID, PID, and DID configured from External SPI EEPROM
■ 24 MHz External Crystal
■ Small Package - Quad Flat Pack, No Leads (QFN)
■ Integrated Upstream Pull Up Resistor
■ Integrated Downstream Pull Down Resistors for all
Downstream Ports
.
Logic Block Diagram
D+
D–
24 MHz
Crystal
USB 2.0 PHY
PLL
USB Upstream
■ Integrated Upstream and Downstream Series Termination
Resistors
■ Configurable with External SPI EEPROM
❐ Number of Active Ports
❐ Number of Removable Ports
❐ Maximum Power
❐ Hub Controller Power
❐ Power On Timer
❐ Overcurrent Timer
❐ Disable Overcurrent Timer
❐ Enable Full Speed Only
❐ Disable Port Indicators
❐ Gang Power Switching
❐ Enable Single TT Mode Only
❐ Enable NoEOP at EOF1
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+ D– PWR#[1 OVR#[1LED D+ D– PWR#[2 OVR#[2LED D+ D– PWR#[3 OVR#[3LED D+ D– PWR#[4 OVR#[4LED
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 38-08019 Rev. *N
• San Jose, CA 95134-1709 • 408-943-2600
Revised January 20, 2011
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