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| OVERVIEW |
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5-bus architecture, organization of a board based on MV6446X |
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Frequency domains, fast path between CPU and SRAM / SDRAM |
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Data integrity checking |
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Internal crossbar |
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Headers retarget |
| CPU INTERFACE |
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CPU address space decoding |
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CPU-to-PCI address remapping |
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Arbitration, multi-processor operation |
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Cache coherency |
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Transaction ordering |
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Hardware implementation |
| INTEGRATED SRAM |
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Functional description, SRAM access arbitration |
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Write-Through vs CopyBack coherency |
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ECC protection |
| DDR INTERFACE |
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Introduction to DDR SDRAM from Jedec specification |
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Initialization sequence |
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Page management |
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Read and write transactions |
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Transaction ordering |
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Cache coherency |
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ECC and read-modify-write transactions |
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Hardware implementation, SSTL technology |
| DEVICE CONTROLLER |
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Functional description, transaction queue, read and write data buffers |
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Connecting 8/16/32 bit devices |
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Timing parameters |
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External acknowledgement |
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Pack / unpack and burst support |
| PCI INTERFACE |
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PCI bus arbitration |
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Master operation in PCI and PCI-X mode |
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Target operation in PCI and PCI-X mode |
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PCI-to-PCI configuration transactions |
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Address decoding |
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Cache coherency |
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Messaging unit |
| GENERAL PURPOSE INPUT/ OUTPUT PINS |
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Pin direction and polarity definition |
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Interrupt request inputs |
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Multi Purpose Pin multiplexing |
| INTERRUPT CONTROLLERS AND TIMERS |
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Watchdog timer |
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Timers / counters |
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Interrupt controller functional description |
| TWSI CONTROLLER AND RESET |
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Master and slave operation, 7- or 10-bit addressing |
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Master write sequence, master read sequence |
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Slave write sequence, slave read sequence |
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Reset pins and configuration |
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Serial ROM initialisation |
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Requirement for an external Central Resource CPLD |
| IDMA CHANNELS |
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IDMA address decoding |
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Demand mode |
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Normal mode vs chained mode |
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Channel activation |
| XOR ENGINES |
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State machine : Active, Inactive and Paused states |
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XOR, CRC and DMA operation modes, format of transfer descriptors |
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Memory Initialization operation mode |
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ECC error cleanup operation mode |
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Address decode windows |
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Address override capability |
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Cache coherency |
| MULTI-PROTOCOL SERIAL CONTROLLERS |
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Address decoding |
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Pinout, connection to MPP logic |
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Baud Rate Generator |
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MPSC clocking |
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SDMA operation |
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Transmit descriptor format, ring organization |
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Receive descriptor format, ring organization |
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HDLC mode, UART mode, Transparent mode |
| GIGABIT ETHERNET CONTROLLERS |
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Interface to the PHY |
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Dedicated DMA |
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Transmit weighted round-robin arbitration |
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Backpressure mode |
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Transmit and receive sequences |
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Management interface |
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MIB |
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Synchronous FIFO interface |
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DMA operation |