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CY7C65621 Datasheet, PDF (1/27 Pages) Cypress Semiconductor – EZ-USB HX2LP Lite Low Power USB 2.0 Hub Controller Family | |||
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CY7C65621/31
EZ-USB HX2LP Liteâ¢
Low Power USB 2.0 Hub Controller Family
Features
â USB 2.0 hub controller
â Compliant with the USB 2.0 specification
â USB-IF certified: TID# 30000009
â Windows Hardware Quality Lab (WHQL) compliant
â Up to four downstream ports supported
â Supports bus powered and self powered modes
â Single transaction translator (TT)
â Bus power configurations
â Fit, form, and function compatible with CY7C65640 and
CY7C65640A (TetraHubâ¢)
â Space saving 56-pin QFN
â Single power supply requirement
â Internal regulator for reduced cost
â Integrated upstream pull up resistor
â Integrated pull down resistors for all downstream ports
â Integrated upstream and downstream termination resistors
â Integrated port status indicator control
â 24 MHz external crystal (integrated phase locked loop (PLL))
â In-system EEPROM programming
â Configurable with external SPI EEPROM:
â Vendor ID, Product ID, Device ID (VID/PID/DID)
â Number of active ports
â Number of removable ports
â Maximum power setting for high speed and full speed
â Hub controller power setting
â Power on timer
â Overcurrent detection mode
â Enabled and disabled overcurrent timer
â Overcurrent pin polarity
â Indicator pin polarity
â Compound device
â Enable full speed only
â Disable port indicators
â Ganged power switching
â Self and bus powered compatibility
â Fully configurable string descriptors for multiple language
support
Block Diagram CY7C65631
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
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]
LED D+ D- PWR#[2]
LED D+ D- PWR#[3]
LED D+ D- PWR#[4]
LED
OVR#[1]
OVR#[2]
OVR#[3]
OVR#[4]
Cypress Semiconductor Corporation ⢠198 Champion Court
Document #: 001-52934 Rev. *C
⢠San Jose, CA 95134-1709
â¢408-943-2600
Revised February 23, 2011
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