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Applying Power......................................................................................................... 2-1
Description................................................................................................................. 2-2
Switches.............................................................................................................. 2-2
ABT (S1)..................................................................................................... 2-3
RST (S2)...................................................................................................... 2-3
Status Indicators ................................................................................................. 2-4
BFL (DS1)................................................................................................... 2-4
CPU (DS2) .................................................................................................. 2-4
PMC (DS3).................................................................................................. 2-4
PMC (DS4).................................................................................................. 2-4
10BaseT/100BaseTX Port.................................................................................. 2-4
DEBUG Port....................................................................................................... 2-5
PMC Slots........................................................................................................... 2-6
PCI Mezzanine Card (PMC Slot 1)............................................................. 2-6
PCI Mezzanine Card (PMC Slot 2)............................................................. 2-6
PMCspan ................................................................................................................... 2-7
CHAPTER 3 Functional Description
Introduction ............................................................................................................... 3-1
Features...................................................................................................................... 3-1
General Description................................................................................................... 3-3
Block Diagram........................................................................................................... 3-3
MPC603/MCP604R Processor........................................................................... 3-3
PCI Bus Latency ......................................................................................... 3-5
DRAM Memory ................................................................................................. 3-7
DRAM Latency........................................................................................... 3-8
Flash Memory...................................................................................................3-10
Flash Latency ............................................................................................ 3-11
Ethernet Interface ............................................................................................. 3-12
PCI Mezzanine Card (PMC) Interface ............................................................. 3-13
PMC Slot 1 (Single-Width PMC) .............................................................3-14
PMC Slot 2 (Single-Width PMC) .............................................................3-14
PMC Slots 1 and 2 (Double-Width PMC) ................................................3-15
PCI Expansion........................................................................................... 3-15
VMEbus Interface ............................................................................................ 3-15
Asynchronous Debug Port................................................................................ 3-16
PCI-ISA Bridge (PIB) Controller..................................................................... 3-16
Real-Time Clock/NVRAM/Timer Function.....................................................3-17
PCI Host Bridge ............................................................................................... 3-18
Interrupt Controller (MPIC) .............................................................................3-18