BCM57785

Integrated Gigabit Ethernet and Memory Card Reader Controller

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10/100/1000BASE-T Ethernet PCIe controller with SD3.0 card reader (25MB/s)
 
The BCM57785 is a Broadcom NetLink® highly integrated multifunction controller that integrates a single-port triple-speed 10/100/1000BASE-T Ethernet LAN controller along with a 5-in-1 memory card reader controller that supports the latest Flash™ memory cards for SD, MMC, MS, MS PRO and xD-Picture types. The device combines a triple-speed IEEE 802.3™- compliant Media Access Controller (MAC) with a triple-speed Ethernet transceiver, x1 PCIe bus interface, memory card interface controller and on-chip buffer memory in a single device. The BCM57785 is fabricated using a 65 nm 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- and half-duplex capability at all speeds.

Features

  • Integrated 10/100/1000BASE-T transceiver with triple-speed MAC
  • Compliant with IEEE standard
  • 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 miniSDHC)
  • 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

Applications

  • Notebook Computers
  • Network Interface Cards (NICs)
  • Routers
  • Hubs/Repeaters
  • Servers
  • Storage Area Networks
  • Switches
     

Lifecycle Status

Active

Specification Value
Lifecycle Active
Distrib. Inventory No

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