MPC837xE Modular Development System

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Block Diagram

PowerQUICC® MPC837XE Communications Processor

PowerQUICC<sup>&#174;</sup> MPC837XE Communications Processor Block Diagram

Supported Devices

Processors and Microcontrollers

PowerQUICC II Pro (MPC83xx)



  • MPC837xE with core frequency up to 667 MHz


  • 512 MB DDR2 up to 400 MHz data rate
  • 32 MB NOR Flash
  • 32 MB NAND Flash
  • 4 Mb SPI Flash
  • SD Card Connector

High-Speed Serial Interfaces (HSSI)

  • 2 SATA HSSI for a total of x4 SATA (MPC8379E)
  • 1 SATA and 1 PCI Express HSSI for a total of x2 SATA ports and x2 PCI Express (MPC8377E)
  • 1 PCI Express and 1 SGMII HSSI for a total of x2 PCI Express and 2 SGMII (MPC8378E)

Power Options

  • Can either be powered by 5V external power supply, through PCI edge connector as a PCI add-in card or through PIB when I/O and processor boards are combined


  • PCI support with riser connectors for PowerQUICC® platform I/O board (PIB) or PCI extender


  • Dual RS-232 transceiver connect to DUART
  • Dual 10/100/1000 Gigabit Ethernet transceivers supporting RGMII, RTBI, MII, and SGMII
  • USB 2.0 transceiver ULPI for high speed (480 Mb/s) and full speed (12 Mb/s), and serial USB transceiver for low speed (1.5 Mb/s)


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