CY7C656XX Datasheet, PDF (1/24 Pages) Cypress Semiconductor – EZ-USB HX2LP™ Low-Power USB 2.0 Hub Controller Family

CY7C656xx
EZ-USB HX2LP™
Low-Power USB 2.0 Hub Controller Family
Features
• USB 2.0 hub controller
• Automotive AEC grade option (–40 - 85C)
• 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/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/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
CY7C65630
24 MHz
Crystal
D+
D-
USB 2.0 PHY
PLL
USB Upstream Port
Hub Repeater
Serial
Interface
Engine
High-Speed
USB Control Logic
SPI Communication
Block
Transaction Translator
TT RAM
SPI_SCK
SPI_SD
SPI_CS
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
Document #: 38-08037 Rev. *H
• 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Revised May 3, 2007
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