ASM2074

The ASM2074 is a USB 3.2 compliant hub, which integrates seamlessly with ASMedia’s legacy and innovative self-designed PHY technology. The ASM2074 supports 4 downstream ports, and offers a low-power, configurable, and versatile solution for USB applications. The ASM2074 is fully compliant with USB 3.2 Specification Revision 1.0 and USB Battery Charging Specification Revision 1.2.

USB 3.2 Gen2x1 HUB Features

• Compliant with USB 3.2 specification Revision 1.0
• Upstream Port supports USB 3.2 Gen2x1 10Gbps, High-Speed and Full-Speed Connections
• 4 Downstream Ports support USB3.2 Gen2x1 10Gbps, High-Speed, Full-Speed and Low-Speed Connections
• Implements USB 3.0 power management function
• SuperSpeed Link Power Management support
• USB 2.0 Link Power Management support
• USB Attached SCSI Protocol Revision 1.0 Compliance
• Multiple Transaction Translator support
• Port Power Switching and Over-Current Protection per port control
• Individual or Gang mode selectable via strapping
• Can be defined as removable or permanently attached

Battery Charging Features

• Supports battery charging of most battery powered devices on all ports
• USB-IF Battery Charging rev. 1.2 support (DCP, CDP & SDP)
• Supports portable devices such as iPad and cellphones
• Supports automatic Battery Charger Detection
• Supports charging while the system enters the active or suspended state

General Features

• Integrated 8-bit microprocessor
• SPI flash support for customized firmware
• External I2C EEPROM for customized configuration
• Firmware & configuration capable of being uploaded via upstream ports
• Integrated 5V to 3.3V LDO
• Supports self-powered and bus-powered modes
• Automatic power type detection and dynamic power type switch
• Supports 25 MHz X’tal as clock source
• Multiple GPIOs for LED applications
• Two Power Supply domains
• IO power supply with 3.3V+/-0.3V and 2.5V +/-0.2V
• Core power supply 1.05V+/-0.05V

10x10 mm2 88-pin QFN package

Green Package with RoHS compliance