Description

VIA Lab’s VL830 is a USB4 Endpoint device controller, featuring an optimized cost-structure and full compliance with USB4 specification. VL830 offers both USB and DisplayPort functionality and operates at full performance when used with Thunderbolt™ 4 or USB4 systems, and is also backward compatible with previous system that support DisplayPort Alternate Mode over USB Type-C, and features integrated USB 3.2 SuperSpeed USB 10Gbps Hub. VL830 supports any combination of SuperSpeed (10Gbps), SuperSpeed (5Gbps), High Speed (480Mbps), Full Speed (12Mbps), and Low Speed (1.5Mbps) devices. The integrated DisplayPort 1.4 support maximum bandwidth of HBR3 (32.4 Gbit/s).

Block Diagram

Key Features

• USB Specification Compliant
  - Compliant to Universal Serial Bus 4 Specification
  Meets all USB 3.2 ECNs and Compliance Testing Updates to date.
  - Compliant to Universal Serial Bus 2.0 Specification
  USB 2.0 Hub Supports MTT
  - In-house USB PHY employs advanced CMOS process for low power consumption
• DisplayPort Specification Compliant
  - Compliant to DisplayPort version 1.4
• Security Feature Support
  - Hardware Support for Digitally Signed Firmware (256-bit ECDSA)
• Integrated USB Devices
  - USB 3.2 SuperSpeed USB 10Gbps Hub Device
  Implemented 5Ports DFP (4x USB SS, 1x USB HS).
  - USB Billboard Class 1.2.2 Device
  Implemented as a USB 2.0 Virtual Device
  Configurable for USB PD Accessory Support (Co-work with VL10X)
  - USB Firmware Update Virtual Device

• Full Sideband Signal Support
  - Supports both Individual and Ganged Mode Operation for All Ports
  - Supports PWM LED Status Lights
  - SPI Interface for Firmware. Firmware Upgradable over USB or I2C.
  - Management Interface for Specialized Applications
• Comprehensive USB Battery Charging Support
  - Supports USB Battery Charging Specification v1.2 (SDP, CDP, DCP)
  - Support for Vendor Specific Charging Modes eg. Apple 2.4A, Samsung, etc.
  - Supports YD/T 1591-2009
  - Supports Stand-Alone Charging when System is Suspend, Shut Down, or Disconnected
  - Any Combination of DFPs can be Configured to Support USB Battery Charging
• Power and Package
  - Requires 3.3V and 1.05V and 0.9V Inputs
  - 25MHz Xtal
  - FCCSP green package (10x10x1.03 mm, 19x19 Grid with 328Balls)