PowerQUICC® Processor with CPM (4 SCC, 2 SMC), 10/100 Ethernet

MPC866

MPC866 PowerQUICC™ Family is a 0.18 micron version of the MPC862 PowerQUICC® Family and can operate up to 133 MHz on the MPC8xx core with a 66 MHz external bus. The MPC866 Family has a 1.8 V core and has a 3.3 V I/O operation with 5 V TTL compatibilty. The MPC866 Integrated Communications Controller Family is a versatile one-chip integrated microprocessor and peripheral combination that can be used in a variety of controller applications. It particularly excels in both communications and networking systems.

The MPC866 Family is a a Power Architecture-based derivative of Our Quad Integrated Communications Controller (PowerQUICC). The CPU on the MPC866 is the MPC8xx core, a 32-bit microprocessor built on Power Architecture technology, incorporating memory management units (MMUs) and instruction and data caches. The MPC866P is the superset of this family of devices.

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Block Diagram

MPC866_BLKDIAG

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Features

  • Maximum frequency operation of the external bus is 66 MHz
  • Single-issue, 32-bit core (compatible with Power Architecture technology) with 32, 32-bit general-purpose registers (GPRs)
  • The MPC866 Family provides enhanced ATM functionality as found on the MPC862. The MPC866 adds major new features available in "enhanced SAR" (ESAR) mode, including the following:
    • Improved operation, administration and maintenance (OAM) support
    • OAM performance monitoring (PM) support
    • Multiple APC priority levels available to support a range of traffic pace requirements
    • Port-to-port switching capability without the need for RAM-based microcode
    • Simultaneous MII (100Base-T) and UTOPIA (half-duplex) capability
    • Optional statistical cell counters per PHY
    • UTOPIA level 2 compliant interface with added FIFO buffering to reduce the total cell transmission time. (The earlier UTOPIA level 1 specification is also supported.)
    • Parameter RAM for both SPI and I2C can be relocated without RAM-based microcode
    • Supports full-duplex UTOPIA both leader (ATM side) and follower (PHY side) operation using a "split" bus
    • AAL2/VBR functionality is ROM-resident
  • Up to 32-bit data bus (dynamic bus sizing for 8, 16, and 32 bits)
  • 32 address lines
  • Memory controller (eight banks)
  • General-purpose timers
  • Fast Ethernet controller (FEC)
  • System integration unit (SIU)
  • Interrupts
  • Communications processor module (CPM)
  • Four baud rate generators
  • Four SCCs (serial communication controllers)
  • Two SMCs (serial management channels)
  • One SPI (serial peripheral interface)
  • One I2C (inter-integrated circuit) port
  • Time-slot assigner (TSA)
  • Parallel interface port (PIP)
  • PCMCIA interface
  • Debug interface
  • 1.8 V Core and 3.3 V I/O operation with 5-V TTL compatibility
  • 357-pin ball grid array (BGA) package

Comparison Table

MPC866 Family Versions and Masks

Qual Process Mask IMMR [16:31]
Rev 0.3 MC HiP6W 3L90H 0x0800
Rev A.0 MC HiP6W 0L96R 0x0801
Note 1: Where nn = 50, 66, 100, or 133

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  • Printed Circuit Boards and Schematics

    MPC866ADS Orcad Schematics

    ZIPRev 7.2Mar 31, 2005 00:00:00583.5 KBMPC866ADSORCAD
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