CY7C65621_11 Datasheet, PDF (1/27 Pages) Cypress Semiconductor – EZ-USB HX2LP Lite™ Low Power USB 2.0 Hub Controller Family

CY7C65621/31
EZ-USB HX2LP Lite™
Low Power USB 2.0 Hub Controller Family
Features
■ USB 2.0 hub controller
■ Compliant with the USB 2.0 specification
■ USB-IF certified: TID# 30000009
■ Windows Hardware Quality Lab (WHQL) compliant
■ Up to four downstream ports supported
■ Supports bus powered and self powered modes
■ Single transaction translator (TT)
■ Bus power configurations
■ Fit, form, and function compatible with CY7C65640 and
CY7C65640A (TetraHub™)
■ Space saving 56-pin QFN
■ Single power supply requirement
❐ Internal regulator for reduced cost
■ Integrated upstream pull up resistor
■ Integrated pull down resistors for all downstream ports
■ Integrated upstream and downstream termination resistors
■ Integrated port status indicator control
■ 24 MHz external crystal (integrated phase locked loop (PLL))
■ In-system EEPROM programming
■ Configurable with external SPI EEPROM:
❐ Vendor ID, Product ID, Device ID (VID/PID/DID)
❐ Number of active ports
❐ Number of removable ports
❐ Maximum power setting for high speed and full speed
❐ Hub controller power setting
❐ Power on timer
❐ Overcurrent detection mode
❐ Enabled and disabled overcurrent timer
❐ Overcurrent pin polarity
❐ Indicator pin polarity
❐ Compound device
❐ Enable full speed only
❐ Disable port indicators
❐ Ganged power switching
❐ Self and bus powered compatibility
❐ 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
•408-943-2600
Revised February 23, 2011
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