
| Ref.: |
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SpaceWire Router |
| UserManual | |
Issue: | 3.4 | ||
User Manual | |||
Date: | 11th July 2008 | ||
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Table 9-6 SpaceWire Port Control/Status Register Fields.
Bits | Name | Reset Value |
| Description | Read/Write |
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0 | Error active | ‘0’ |
| The error active bit is set when | R |
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| one of the error bits are set. |
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1 | Packet | ‘0’ |
| The packet address error bit is | R |
| address error |
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| set when a packet is received |
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| with an incorrect address. |
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2 | Output port | ‘0’ |
| The output timeout error bit set | R |
| timeout error |
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| when the output port has |
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| become blocked for a period of |
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| time. |
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3 | Disconnect | ‘0’ |
| The disconnect error bit is set | R |
| error |
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| when a disconnect error occurs |
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| on the SpaceWire link |
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4 | Parity error | ‘0’ |
| The parity error bit is set when a | R |
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| parity error occurs on the |
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| SpaceWire link |
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5 | Escape error | ‘0’ |
| The escape error bit is set when | R |
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| an escape error occurs on the |
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| SpaceWire link |
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6 | Credit error | ‘0’ |
| The credit error bit is set when a | R |
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| credit error occurs on the |
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| SpaceWire link |
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7 | Character | ‘0’ |
| The character sequence error bit | R |
| sequence |
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| is set when a character |
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| error |
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| sequence error occurs on the |
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| SpaceWire link |
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10:8 | Interface state | “000” |
| The interface state bits indicate | R |
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| the state of the interface state |
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| machine in the SpaceWire link. |
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| “000” = Error Reset |
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| “001” = Error Wait |
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| “010” = Ready |
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| “011” = Started |
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| “100” = Connecting |
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| “101” = Run |
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11 | Running | ‘0’ |
| The running bit is set when the | R |
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| SpaceWire interface state |
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| machine is in the Run state. |
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12 | AutoStart | ‘1’ |
| When set the SpaceWire link will | R/W |
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| autostart as defined in the |
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| SpaceWire standard [AD1]: the |
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| Preliminary | 113 |