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CY7C65640A Datasheet, PDF (1/21 Pages) Cypress Semiconductor – TetraHub™ High-Speed USB Hub Controller | |||
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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 translatorsâone per downstream port
for maximum performance
â Number of Active Ports
â Number of Removable Ports
â Maximum Power
â Hub Controller Power
⢠VID, PID, and DID configured from external SPI EEPROM
â Power-On Timer
⢠24-MHz external crystal
â Overcurrent Timer
⢠Small packageâQuad Flat Pack, no leads (QFN)
â Disable Overcurrent Timer
⢠Integrated upstream pull-up resistor
â Enable Full-Speed Only
⢠Integrated downstream pull-down resistors for all down-
stream ports
⢠Integrated upstream and downstream series termination re-
sistors
â Disable Port Indicators
â Gang Power Switching
â Enable Single TT Mode Only
â Enable NoEOPatEOF1
Figure 1-1. Block Diagram
.
24 MHz
Crystal
D+
Dâ
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+ Dâ PWR#[1] OVR#[1] LED D+ Dâ PWR#[2] OVR#[2] LED D+ Dâ PWR#[3] OVR#[3] LED D+ Dâ 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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