Motorola MVME2401-1 Installation And Use Manual page 10

BFL (DS1)................................................................................................... 2-4
CPU (DS2) .................................................................................................. 2-4
PMC2 (DS3)................................................................................................ 2-4
PMC1 (DS4)................................................................................................ 2-4
10/100 BASET Port............................................................................................ 2-4
DEBUG Port....................................................................................................... 2-5
PMC Slots........................................................................................................... 2-7
PCI MEZZANINE CARD (PMC Slot 1).................................................... 2-7
PCI MEZZANINE CARD (PMC Slot 2).................................................... 2-7
PMCspan ................................................................................................................... 2-8
CHAPTER 3 Functional Description
Introduction ............................................................................................................... 3-1
Features...................................................................................................................... 3-1
General Description ................................................................................................... 3-4
Block Diagram........................................................................................................... 3-4
MPC750 Processor ............................................................................................. 3-4
L2 Cache ..................................................................................................... 3-6
Hawk System Memory Controller (SMC)/PCI Host Bridge (PHB) ASIC ........ 3-7
PCI Bus Latency ......................................................................................... 3-8
PPC Bus Latency....................................................................................... 3-10
Assumptions .............................................................................................. 3-12
Clock Ratios and Operating Frequencies .................................................. 3-13
PPC60x Originated.................................................................................... 3-13
PCI Originated .......................................................................................... 3-14
SDRAM Memory ............................................................................................. 3-14
SDRAM Latency....................................................................................... 3-15
Flash Memory................................................................................................... 3-19
ROM/Flash Performance .......................................................................... 3-19
Ethernet Interface ............................................................................................. 3-22
PCI Mezzanine Card (PMC) Interface ............................................................. 3-23
PMC Slot 1 (Single-Width PMC) ............................................................. 3-23
PMC Slot 2 (Single-Width PMC) ............................................................. 3-24
PMC Slots 1 and 2 (Double-Width PMC) ................................................ 3-24
PCI Expansion........................................................................................... 3-24
VMEbus Interface ............................................................................................ 3-25
Asynchronous Debug Port................................................................................ 3-25
PCI-ISA Bridge (PIB) Controller..................................................................... 3-26
Real-Time Clock/NVRAM/Timer Function..................................................... 3-27
PCI Host Bridge (PHB) .................................................................................... 3-27
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