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CY7C65640A Datasheet, PDF (1/21 Pages) Cypress Semiconductor – TetraHub™ High-Speed USB Hub Controller
CY7C65640A
TetraHub™ High-Speed USB Hub Controller
1.0 TetraHub™ Features
• Configurable with external SPI EEPROM
• USB 2.0 hub
• Four downstream ports
• Multiple transaction translators—one per downstream port
for maximum performance
— Number of Active Ports
— Number of Removable Ports
— Maximum Power
— Hub Controller Power
• VID, PID, and DID configured from external SPI EEPROM
— Power-On Timer
• 24-MHz external crystal
— Overcurrent Timer
• Small package—Quad Flat Pack, no leads (QFN)
— Disable Overcurrent Timer
• Integrated upstream pull-up resistor
— Enable Full-Speed Only
• Integrated downstream pull-down resistors for all down-
stream ports
• Integrated upstream and downstream series termination re-
sistors
— Disable Port Indicators
— Gang Power Switching
— Enable Single TT Mode Only
— Enable NoEOPatEOF1
Figure 1-1. Block Diagram
.
24 MHz
Crystal
D+
D–
USB 2.0 PHY
PLL
USB Upstream Port
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 Port 1
USB 2.0 Port Power Port
PHY Control Status
USB Downstream Port 2
USB 2.0 Port Power Port
PHY Control Status
USB Downstream Port 3
USB 2.0 Port Power Port
PHY Control Status
USB Downstream Port 4
USB 2.0 Port Power Port
PHY Control Status
D+ D– PWR#[1] OVR#[1] LED D+ D– PWR#[2] OVR#[2] LED D+ D– PWR#[3] OVR#[3] LED D+ D– PWR#[4] OVR#[4] LED
Cypress Semiconductor Corporation
Document #: 38-08019 Rev. *I
• 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Revised October 18, 2006
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