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| SpaceWire Router |
| UserManual |
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| Issue: | 3.4 |
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| User Manual |
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| Date: | 11th July 2008 |
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| Table |
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| Packet |
| Description |
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Config Port | The configuration port address field routes the packet to the configuration | 1 |
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Address | port of the router. The configuration port address is always present when |
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| configuring the SpaceWire Router. |
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Destination | The destination logical address is not used in the SpaceWire Router. The | 1 |
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Logical | SpaceWire router accepts packets which have the default destination logical |
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Address | address of 254h (FEh). |
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Protocol | The RMAP protocol identifier is 01h. |
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Identifier |
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Command | The command byte indicates a | 1 |
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Byte | address length fields are set to the number of source path addresses |
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| required as defined in section 7.6.9. |
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Destination | The destination key identifier must match the contents of the destination key | 1 |
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Key | register, see section 9.5.10. |
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Source | The source path address field is used to add source path addresses to the | 0,4,8,16 |
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Path | head of the reply packet. The expected number of source path addresses is |
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Address | specified in the command byte. See section 7.6.9 for source path address |
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| decoding. |
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Source | The source logical address should be set to the logical address of the node | 1 |
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Logical | which sent the command. |
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Address |
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Transaction | The transaction identifier identifies the command packet and reply packet | 2 |
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Identifier | with a unique number. |
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Extended | The extended read address is not used in the SpaceWire router and shall | 1 |
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RMW | always be set to zero. |
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Address |
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RMW | The | 4 |
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Address | address to modify. Valid RMW addresses are defined in section 9. |
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Data + | The data length of the | 3 |
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| Preliminary |
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| 67 |
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