Motorola MVME2400 Series Installation And Use Manual page 8

Switches.............................................................................................................. 2-3
ABT (S1) ..................................................................................................... 2-3
RST (S2)...................................................................................................... 2-3
Front Panel Indicators (DS1 - DS4)................................................................... 2-4
BFL (DS1)................................................................................................... 2-4
CPU (DS2) .................................................................................................. 2-4
PMC2 (DS3)................................................................................................ 2-4
PMC1 (DS4)................................................................................................ 2-4
10/100BaseT Port ............................................................................................... 2-5
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 ................................................................................................... 3-3
Block Diagram........................................................................................................... 3-3
MPC750 Processor ............................................................................................. 3-5
L2 Cache ..................................................................................................... 3-5
Hawk System Memory Controller (SMC)/PCI Host Bridge (PHB) ASIC ........ 3-6
PCI Bus Latency ......................................................................................... 3-7
PPC Bus Latency......................................................................................... 3-9
Assumptions .............................................................................................. 3-11
Clock Ratios and Operating Frequencies .................................................. 3-11
PPC60x Originated.................................................................................... 3-11
PCI Originated .......................................................................................... 3-12
SDRAM Memory ............................................................................................. 3-12
SDRAM Latency....................................................................................... 3-13
Flash Memory................................................................................................... 3-16
ROM/Flash Performance .......................................................................... 3-17
Ethernet Interface ............................................................................................. 3-19
PCI Mezzanine Card (PMC) Interface ............................................................. 3-20
PMC Slot 1 (Single-Width PMC) ............................................................. 3-21
PMC Slot 2 (Single-Width PMC) ............................................................. 3-21
PMC Slots 1 and 2 (Double-Width PMC) ................................................ 3-22
PCI Expansion........................................................................................... 3-22
VMEbus Interface ............................................................................................ 3-22
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