10/100/1000BASE-T Ethernet PCIe Controller with SD3.0 Card Reader (100MB/s) and ASF 2.0

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10/100/1000BASE-T Ethernet PCIe controller with SD3.0 card reader and ASF 2.0 for desktop and mobile PCs.
The device combines a triple-speed IEEE 802.3™-compliant Media Access Controller (MAC) with a triple-speed Ethernet transceiver, x1 PCIe™ bus interface, a single-slot 5-in-1 memory card reader interface and on-chip buffer memory in a single device. The device is fabricated in 1.2V CMOS process, providing a low-power system solution.
The device performs all the physical layer functions for 1000BASE-T, 100BASE-T and 10BASE-T Ethernet on standard Category 5 unshielded twisted-pair cable. Based on proven DSP technology, the BCM57785 combines digital adaptive equalizers, ADCs, PLLs, line drivers, echo cancellers, crosstalk cancellers and all other required support circuitry. A full-featured MAC provides full-/half-duplex capability at all speeds. The card reader provides feature-rich SD3.0 support.


  • Integrated 10/100/1000BASE-T transceiver with triple-speed MAC
  • Compliant with IEEE standards
  • Compliant with IEEE 802.3az draft standard for Energy Efficient Ethernet (EEE)
  • State-of-the-art physical layer interface that exceeds IEEE requirements
  • Integrated 5-in-1 memory card reader
  • SD Secure Digital® compliant with specification v3.0 (SD, miniSD™, microSD™, SDHC and mini SDHC)
  • MultiMediaCard compliant with specification v4.4 (MMC, MMCplus®, MMCmicro®, HS MMC and MMCmobile®)
  • Memory Stick® compliant with specification v1.43 and PRO v1.03 (MS, MS PRO, MS PRO Duo, MS PRO-HG, MS PROHG Duo, and Micro)
  • xD-Picture compliant with specification v1.2C (Type-M and Type-H)
  • Single-chip solution for LAN and memory card reader on Motherboard (LOM) applications
  • Proven technology built on 12 generations of controller products


  • Network Interface Cards (NICs)
  • Servers
  • Storage Area Networks


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