Motorola MVME2400 Series Manuel de service Page 129
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Noté. / 5. Basé sur avis des utilisateurs
Specifications
http://www.mcg.mot.com/literature B-3
B
Note The power requirement listed for the MVME240x does not
include the power requirements for the PMC slots. The PMC
specification allows for 7.5 watts per PMC slot. The 15 watts
total can be drawn from any combination of the four voltage
sources provided by the MVME240x: +3.3V, +5V, +12V,
and -12V.
Cooling Requirements
The MVME240x VME processor Module is specified, designed, and
tested to operate reliably with an incoming air temperature range from 0°
to 55° C (32° to 131° F) with forced air cooling of the entire assembly
(base board and modules) at a velocity typically achievable by using a 100
CFM axial fan. Temperature qualification is performed in a standard
Motorola VMEsystem chassis. Twenty-five-watt load boards are inserted
in two card slots, one on each side, adjacent to the board under test, to
simulate a high power density system configuration. An assembly of three
axial fans, rated at 100 CFM per fan, is placed directly under the VME card
cage. The incoming air temperature is measured between the fan assembly
and the card cage, where the incoming airstream first encounters the
module under test. Test software is executed as the module is subjected to
ambient temperature variations. Case temperatures of critical, high power
density integrated circuits are monitored to ensure component vendors’
specifications are not exceeded.
While the exact amount of airflow required for cooling depends on the
ambient air temperature and the type, number, and location of boards and
other heat sources, adequate cooling can usually be achieved with 10 CFM
and 490 LFM flowing over the module. Less airflow is required to cool the
Asynchronous serial
debug port
PC16550
Front panel I/O through RJ45 connector
Front panel:switches and
status indicators
Reset and Abort switches
Four LEDs: BFL, CPU, PMC (one for PMC slot 2, one for slot 1)
Table B-1. MVME240
x
Specifications (Continued)
Characteristics Specifications
- MVME2400-Series 1
- Single Board Computer 1
- Installation and Use 1
- Restricted Rights Legend 2
- Document Terminology 4
- Safety Summary 5
- Safety Depends On You 5
- Contents 9
- Glossary 12
- List of Figures 13
- List of Tables 15
- 1Preparing and Installing the 17
- MVME2400-Series Module 17
- MVME240x Module 18
- PMCspan Expansion Mezzanine 19
- PCI Mezzanine Cards (PMCs) 19
- VMEsystem Enclosure 20
- System Console Terminal 20
- 1 2 3 4 5 6 7 8 25
- ESD Precautions 29
- 2064 9708 31
- Primary PMCspan 32
- 2081 9708 33
- Secondary PMCspan 34
- 2065 9708 35
- INTERRUPT ACKNOWLEDGE 38
- DEBUG port on 38
- Installation Considerations 39
- 2Operating Instructions 41
- Switches 42
- MVME240x 43
- Status Indicators 44
- 10/100 BASET Port 44
- DEBUG Port 45
- Operating Instructions 46
- PMC Slots 47
- 3Functional Description 49
- (RST) and Abort (ABT) 50
- General Description 52
- Block Diagram 52
- (PHB) ASIC 55
- PCI Bus Latency 56
- 3:1 clock ratio: 56
- PPC Bus Latency 58
- Assumptions 60
- SDRAM Memory 62
- Functional Description 66
- Flash Memory 67
- Ethernet Interface 70
- VMEbus Interface 73
- Asynchronous Debug Port 73
- PCI Host Bridge (PHB) 75
- Interrupt Controller (MPIC) 76
- Programmable Timers 76
- 4Programming the MVME240x 79
- Processor Bus Memory Map 80
- PCI Local Bus Memory Map 81
- VMEbus Memory Map 81
- Programming Considerations 82
- Interrupt Handling 84
- DMA Channels 86
- Sources of Reset 86
- Endian Issues 88
- Programming the MVME240x 90
- PPCBug Overview 91
- PPCBug Basics 91
- Diag> 92
- Memory Requirements 93
- PPCBug Implementation 93
- Debugger Commands 96
- Table 5-1. Debugger Commands 97
- Diagnostic Tests 100
- Using PPCBug 101
- 6Modifying the Environment 103
- Modifying the Environment 104
- ENV - Set Environment 105
- ∗ signal after 107
- ∗ signal during board 107
- 00001000? 111
- (Default) 112
- Ordering Related 119
- Documentation 119
- Manufacturers’ Documents 120
- Document Title and Source 121
- Publication 121
- Related Specifications 123
- Specifications 127
- Table B-1. MVME240 128
- Specifications (Continued) 128
- Cooling Requirements 129
- EMC Regulatory Compliance 130
- CConnector Pin Assignments 131
- VMEbus Connector - P1 132
- Connector Pin Assignments 133
- VMEbus Connector - P2 134
- Pin Assignments 136
- CPU Debug Connector - J1 137
- PCI Expansion Connector - J6 142
- DTroubleshooting the MVME240x 151
- Solving Startup Problems 152
- Troubleshooting the MVME240x 153
- Numerics 169
- Single Board Computer 177
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