VSC055

Enhanced Two-Wire Serial Backplane Controller

Low-Cost Backplane Controller with 5V Tolerant GPIO

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Part Details

  • Up to 64 Bits of User-Definable, Bidirectional General-Purpose Inputs and Outputs
  • Integrated Port Bypass, Clock Recovery, and Signal Detect Support for Up to 16 Drives
  • Eight Programmable Fan Speed Monitoring Inputs
  • Eight Programmable Pulse-Width-Modulated Fan Control Outputs
  • Up to 32 Programmable Input-to-Output Bypass Pairs
  • Two Clock Input Ranges: 8.0MHz to 12.5MHz (External Crystal or External Clock Source) and 32.0MHz to 75.0MHz (External Clock Source)
  • Selectable Direct LED Drive Flashing Capability
  • Pin-Programmable Addressing for Up to 16 Devices on a Single Serial Bus
  • 5V Tolerant High-Current I/O, Slave Mode Two-Wire Serial Interface and Interrupt Output
  • 10 Programmable LED Pulse Train Circuits
  • One 24-Bit General-Purpose Timer (Supports a Timeout Greater Than Four Seconds with a 12.5MHz Core Clock)
VSC055
Enhanced Two-Wire Serial Backplane Controller
VSC055: Block Diagram
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