upgrade_of_fw
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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upgrade_of_fw [2018/05/16 09:36] acqilc [Data Format] |
upgrade_of_fw [2021/07/10 23:21] (current) |
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| Line 8: | Line 8: | ||
| * The Trigger TDC is allways channel 0 | * The Trigger TDC is allways channel 0 | ||
| * The mapping between TDC and PETIROC is direct: | * The mapping between TDC and PETIROC is direct: | ||
| - | * Channel 1 of TDC $ \rightarrow $ $\alpha$ Channel 0 of PETIROC | + | * Channel 1 of TDC $ \rightarrow $ Channel 0 of PETIROC |
| * .. | * .. | ||
| * Channel 24 of TDC $ \rightarrow $ Channel 23 of PETIROC | * Channel 24 of TDC $ \rightarrow $ Channel 23 of PETIROC | ||
| Line 19: | Line 19: | ||
| | | ||
| ^ Tag ^ Absolute BXID ^ GTC ^ 64 or 128 channels lengths^ | ^ Tag ^ Absolute BXID ^ GTC ^ 64 or 128 channels lengths^ | ||
| - | | 2 bytes (B4B$)| 6 bytes (81 days) | 4 bytes | 64 or 128 bytes , # channels per TDC| | + | | 2 bytes (BEBE)| 6 bytes (81 days) | 4 bytes | 64 or 128 bytes , # channels per TDC| |
| - | It's a fixed length packet of 76 or 140 bytes. Then eache NON EMPTY TDC is sending one packet | + | It's a fixed length packet of 76 or 140 bytes. Then each NON EMPTY TDC is sending one packet |
| * TDC packet | * TDC packet | ||
| - | ^Header^ Channel^ # Channels^ payload^ | + | |
| - | |2bytes B0B0 | 1 byte | 1bytes | ncx X channel info | | + | ^Header^ Channel number ^ Number of Measurements ^ payload^ |
| + | |2bytes B0B0 | 1 byte | ncx 1bytes | ncx $\times$ channel info | | ||
| | | ||
| + | The channel info is 5 bytes: | ||
| + | |||
| + | * BXID 3 bytes (40 MHz clock since **S**tart **O**f **A**cquisition front) | ||
| + | * Coarse 1 byte (400 MHz count in the BXID) | ||
| + | * fine 1 byte (fine TDC value 2.5 ns/256) | ||
| + | |||
| + | |||
| + | ==== Finite State Machine ==== | ||
| + | |||
| + | === Top Level === | ||
| + | |||
| + | {{ :lyon_mai2018:toptdcreadout.png |}} | ||
| + | |||
| + | === Acquisition === | ||
| + | |||
| + | == ILC Mode == | ||
| + | {{ :lyon_mai2018:acquisitiontdcilc.png |}} | ||
| + | == Trigger Mode == | ||
| + | |||
| + | On trigger the state machine is only modified before calling the readout FSM: | ||
| + | |||
| + | {{ :lyon_mai2018:acquisitiontdcbeamtest.png |}} | ||
| + | === Readout === | ||
| + | {{ :lyon_mai2018:wiznetfsm.png |}} | ||
upgrade_of_fw.1526463393.txt.gz · Last modified: 2021/07/10 23:20 (external edit)
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