Data Format: (For OSU R&D,
DDU testing)
Case 1: There is CFEB data or TMB data (for NO CFEB nor TMB data, see Case 2 below)
Header 1: 1, 0, 0, 1, Bb, Ba,
B9, B8, B7, B6, B5, B4, B3, B2, B1, B0
B0: CFEB1 Data Available
B1: CFEB2 Data Available
B2: CFEB3 Data Available
B3: CFEB4 Data Available
B4: CFEB5 Data Available
B5: CFEB1 CLCT sent (Active)
B6: CFEB2 CLCT sent (Active)
B7: CFEB3 CLCT sent (Active)
B8: CFEB4 CLCT sent (Active)
B9: CFEB5 CLCT sent (Active)
Ba: ALCT Data Available
Bb: TMB Data Available
Header 2: 1, 0, 0, 1, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: L1ACC counter bits[11:0]
Header 3: 1, 0, 0, 1, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: L1ACC counter bits[23:12]
Header 4: 1, 0, 0, 1, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: Beam Crossing Counter bits[11:0]
Header 5: 1, 0, 1, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0 (not implemented as of
Nov. 15, 2002)
B0: CFEB1 Data Available
B1: CFEB2 Data Available
B2: CFEB3 Data Available
B3: CFEB4 Data Available
B4: CFEB5 Data Available
B5: ALCT Data Available
B6: TMB Data Available
B7: ALCT Data Available
B8: TMB Data Available
B9: reserve (CFEB DAV-LCT mismatch)
Ba: ALCT Data Available
Bb: TMB Data Available
Header 6: 1, 0, 1, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
DAQMB ID. Bb-B4: Crate ID
B3-B0: Board ID
Header 7: 1, 0, 1, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
B6-B0: Beam Crossing Counter bits[6:0]
B7: CFEB1 Multi-overlap
B8: CFEB2 Multi-overlap
B9: CFEB3 Multi-overlap
Ba: CFEB4 Multi-overlap
Bb: CFEB5 Multi-overlap
Header 8: 1, 0, 1, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
B7-B0: L1ACC counter bits[7:0]
Bb-B8: DMB-CFEB Sync counter bits[3:0]
TMB data, if any
Refer to UCLA for data format
CFEB1 data, if any
Normally, 1600 words (16 bits) in total for 16 time samples. 100 words for each time sample. (For 8 time samples, there will be 800 words. This is indicated in the serialized data) Bit 15 is always 0 for normal CFEB data; Bit 14 of the first 96 words in each time sample means ~OVERLAP (0 for overlap); Bit 13 of the first 96 words in each time sample is the serialized SCA capacitor and trigger information (refer to the following table). Bit [12:0] of the first 96 words are the ADC values of the 96 channels. The last four words in each time sample (word 97-100) are information words.
word # | word1-6 | 7-12 | 13-18 | 19-24 | 25-30 | 31-36 | 37-42 | 43-48 | 49-54 | 55-60 | 61-66 | 67-72 | 73-78 | 79-84 | 85-90 | 91-96 |
bit 13 | B0 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | B8 | B9 | Ba | Bb | Bc | Bd | Be | Bf |
Case 2: There is no CFEB data, nor TMB data:
Header 1: 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
Header 2: 1, 0, 0, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: L1ACC counter bits[11:0]
Header 3: 1, 0, 0, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: L1ACC counter bits[23:12]
Header 4: 1, 0, 0, 0, Bb, Ba, B9, B8,
B7, B6, B5, B4, B3, B2, B1, B0
Bb-B0: Beam Crossing Counter bits[11:0]
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