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CY7C65640A_09 Datasheet, PDF (1/23 Pages) Cypress Semiconductor – TetraHub™ High Speed USB Hub Controller
CY7C65640A
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 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+ 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 #: 38-08019 Rev. *J
• San Jose, CA 95134-1709 • 408-943-2600
Revised February 10, 2009
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