CY7C656xx
EZ-USB HX2LP™
Low Power USB 2.0 Hub Controller Family
Cypress Semiconductor Corporation
•
198 Champion Court
•
San Jose
, CA 95134-1709
•
408-943-2600
Document Number: 38-08037 Rev. *M
Revised June 12, 2009
Features
■ USB 2.0 Hub Controller
■ Automotive AEC Grade Option (–40°C to 85°C)
■ 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 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
Routing Logic
Hub Repeater
USB Upstream Port
USB 2.0 PHY
PLL
Serial
Interface
Engine
High-Speed
USB Control Logic
SPI Communication
Block
USB Downstream Port 1
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 2
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 3
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 4
USB 2.0
PHY
Port Power
Control
Port
Status
SPI_SCK
SPI_CS
SPI_SD
D+
D-
PWR#[4]
OVR#[4]
LED
D+
D-
PWR#[3]
OVR#[3]
LED
D+
D- PWR#[2]
OVR#[2]
LED
D+
D-
PWR#[1]
OVR#[1]
LED
Transaction Translator
TT RAM
D+
D -
24 MHz
Crystal
Block Diagram CY7C65630
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