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CX28500

1,024 Channel HDLC Controller with PCI Interface


Overview

Description

The CX28500 is an advanced multichannel synchronous communications controller. This highly-integrated, cost-effective and monolithic device supports up to 1,024 bidirectional High-level Data Link Control (HDLC) channels, mapped via 32 independent serial ports. It has a throughput of 550 Mbps with eight HSSI ports running 52 Mbps each.

Features

  • Single-chip multichannel HDLC controller with a 66 MHz, 32-/64-bit PCI 2.1 compliant bus for configuration, monitoring, and transfer of packet data
  • 500 Mbps full-duplex throughput
  • Per-channel DMA buffer management
  • 64 Kbytes of on-chip memory for partial packet buffering
  • 32 independent serial interfaces
  • Per-channel protocol mode selection
  • Selectable Endian configuration
  • 2.5V core, 3.3V I/O with 5V tolerant inputs
  • JTAG boundary scan test support
Documentation
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