Motorola MVME2400 Series Manuel de service Page 73
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Block Diagram
http://www.mcg.mot.com/literature 3-25
3
VMEbus Interface
The VMEbus interface is implemented with the CA91C142 Universe
ASIC. The Universe chip interfaces the 32/64-bit PCI local bus to the
VMEbus.
The Universe ASIC provides:
❏ The PCI-bus-to-VMEbus interface
❏ The VMEbus-to-PCI-bus interface
❏ The DMA controller functions of the local VMEbus
The Universe chip includes Universe Control and Status Registers
(UCSRs) for interprocessor communications. It can provide the VMEbus
system controller functions as well. For detailed programming
information, refer to the Universe User’s Manual and to the discussions in
the MVME2400-Series VME Processor Module Programmer's Reference
Guide.
Maximum performance is achieved with D64 Multiplexed Block
Transfers (MBLT). The on-chip DMA channel should be used to move
large blocks of data to/from the VMEbus. The Universe should be able to
reach 50MB/second in 64-bit MBLT mode.
The MVME2400 interfaces to the VMEbus via the P1 and P2 connectors,
which use the new 5-row 160-pin connectors as specified in the VME64
extension standard. It also draws +5V, +12V, and -12V power from the
VMEbus backplane through these two connectors. 3.3V and 2.5V supplies
are regulated onboard from the +5 power.
Asynchronous Debug Port
A Texas Instrument’s Universal Asynchronous Receiver/Transmitter
(UART) provides the asynchronous debug port. TTL-level signals for the
port are routed through appropriate EIA-232-D drivers and receivers to an
RJ45 connector on the front panel. The external signals are ESD protected.
- 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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