Level 2 Trigger D-Bank

(TL2D) for Run 2

Displacement Content
Description
0
13
Number of Blocks
1
P0
Pointer to Block 0,Summary Block
2
P1
Pointer to Block 1,XTRP Tracks List Block
3
P2
Pointer to Block 2,SVT Tracks List Block
4
P3
Pointer to Block 3,Cluster List Block
5
P4
Pointer to Block 4,Isolation Cluster List Block
6
P5
Pointer to Block 5,XCES Data Block
7
P6
Pointer to Block 6,SL7 Data Block
8
P7
Pointer to Block 7,Central Muon List Block
9
P8
Pointer to Block 8,Forward Muon List Block
10
P9
Pointer to Block 9,CMP/CSP Muon List Block
11
P10
Pointer to Block 10,HAD TDC Block
12
P11
Pointer to Block 11,S ET Block
13
P12
Pointer to Block 12,L1 Trigger Block
14
P13
Pointer to Block 13,L2 Trigger Decision Block
15
 Pointer to End of Data




Block 0: Summary Block
Displacement
Data description
P0Number of XTRP Tracks NTRK (variable)
P0 + 1Number of SVT Tracks NSVT (variable)
P0 + 2Number of Clusters NCLS (variable)
P0 + 3Number of Clusters NISO (variable)
P0 + 4Number of XCES Data Words NCES (= 64)
P0 + 5Number of SL7 Data Words NSL7 (= 108)
P0 + 6Number of Total Energy Words NSE ( = 1)
P0 + 7Number of Central Muon Words NCNMU (variable)
P0 + 8Number of Forward Muon Words NFWMU (variable)
P0 + 9Number of CMP/CSP Muon Words NWALL (variable)
P0 + 10Number of HAD TDC Words NHTDC (variable)
P0 + 11Number of L1 Data Words NL1 ( = 4 )
P0 + 12Number of L2 Trigger Words NL2 (variable)


Block 1: XTRP Block
Displacement
Data description
P1Track 1 Data
P1 + 1Track 2 Data
.........................................
P1 + NTRK -1Track NTRK Data

where each data entry contains:

bits (0:8) Linker f wedge (288 max);

bits (9:11) pixel number in SL6 (6 max);

bits (12:15) unused;

bits (16:20) track pT;

bit (21) sign bit;

bit (22) isolation bit;

bits (23) SL6/SL8 bit;

bits (24) spare bit;

bits (25:31) unused

Block 2: SVT Block
Displacement Data description
P2Track 1 Part-1 Data
P2 + 1Track 1 Part-2 Data
P2 + 2Track 1 Part-3 Data
P2 + 3Track 1 Part-4 Data
P2 + 4Track 2 Part-1 Data
........................................................
P2 + 4*NSVT -2Track NSVT Part-3 Data
P2 + 4*NSVT -1Track NSVT Part-4 Data

where each group of 4 words contains:

Part-1 bits (0:12) track f;

bits (13:21) track curvature c (upper bit is for sign);

bits (22:31) track impact parameter d (upper bit is for sign);

Part-2 bits (0:8) track number from XFT;

bits (9:13) track c2;

bits (14:30) road ID;

bits (31) unused;


Part-3 bits (0:7) hit position in the first layer x1;

bits (8:15) hit position in the second layer x2;

bits (16:23) hit position in the third layer x3;

bits (17:31) hit position in the fourth layer x4;

Part-4 bits (0:7) hit position in the fifth layer x5;

bits (8:12) track z (SVX barrel number);

bits (13:24) Track Fitter Fitter status;

bits (25:31) unused.

Block 3: Cluster Block
Displacement Data description
P3Cluster 1 Part-1 Data
P3 + 1Cluster 1 Part-2 Data
P3 + 2Cluster 2 Part-1 Data
P3 + 3Cluster 2 Part-2 Data
..................................................
P3 + 2*NCLS -2Cluster NCLS Part-1 Data
P3 + 2*NCLS -1Cluster NCLS Part-2 Data

where each group of 2 words contains:

Part-1 bits (0:1) Seed pass number;

bits (2) reserved

bits (3:7) f Seed position;

bits (8) reserved;

bits (9:13) h Seed position;

bits (14:15) unused;

bits (16:25) Number of towers in the cluster;

bits (26:31) unused.

Part-2 bits (0:12) Cluster EM energy;

bits (13:15) unused;

bits (16:28) Cluster HAD energy;

bits (29:31) unused.







Block 4: Isolation Block
Displacement Data description
P4EM Cluster 1 Part-1 Data
P4 + 1EM Cluster 1 Part-2 Data
P4 + 2EM Cluster 1 Part-3 Data
P4 + 3EM Cluster 1 Part-4 Data
P4 + 4EM Cluster 1 Part-5 Data
P4 + 5EM Cluster 1 Part-6 Data
P4 + 5 + 1EM Cluster 2 Part-1 Data
......................................................
P4 + 6*NISO -2EM Cluster NISO Part-5 Data
P4 + 6*NISO -1EM Cluster NISOPart-6 Data

Each group of 6 words contains:

Part-1 bits (0:1) Seed pass number;

bits (2) reserved

bits (3:7) f Seed position;

bits (8) reserved;

bits (9:13) h Seed position;

bits (14:31) unused;

Part-2 bits (0:12) Cluster EM energy Isolation Sum i;

to bits (13:15) unused;

Part-6 bits (16:28) Cluster HAD energy Isolation Sum i;

bits (29:31) unused.

where i runs from 1 to 5, one for each of the five clusters used in calculating the isolation sums. These clusters are fixed-size clusters around, and excluding, the seed tower and are calculated only for passes aimed at identifying electron triggers.

Block 5: XCES Block

XCES sends the L2 the full unsparsified hit map, i.e.

2 (E/W) x 12 (wedges) x 16 (wires) x 2 (z @108 cm) x 2 (threshold) = 1536 bits.

Therefore, XCES Data Block will consist of a fixed number of 64 words.




Block 6: SL7 Block

Super Layer 7 sends the L2 the full unsparsified hit map, i.e. 2592 bits.

Therefore, SL7 Data Block will consist of a fixed number of 108 words.


Block 7: CENTRAL Muon Block
Displacement Data description
P7Central Muon 1 Data
P7 + 1Central Muon 2 Data
.............................................
P7 + NCNMU -1Central Muon NCNMU Data

where each word contains the muon primitives for 2.50 f wedges from CMU, CMX and CSX detectors. Only wedges with non-zero hits for at least one detector are listed.


Block 8: FORWARD Muon Block
Displacement Data description
P8Forward Muon 1 Data
P8 + 1Forward Muon 2 Data
.............................................
P8 + NFWMU -1Forward Muon NFWMU Data

where each word contains the muon primiteves for 2.50 f wedges from BMU, BMS, WMS and TMS detectors. Only wedges with non-zero hits for at least one detector are listed.













Block 9: CMP/CSP Muon Block
Displacement Data description
P9CMP/CSP Muon Data Wall 1 Part-1
P9 + 1CMP/CSP Muon Data Wall 1 Part-2
P9 + 2CMP/CSP Muon Data Wall 1 Part-3
P9 + 3CMP/CSP Muon Data Wall 1 Part-4
P9 + 4CMP/CSP Muon Data Wall 1 Part-5
P9 + 5CMP/CSP Muon Data Wall 1 Part-6
............................................................................
P9 + 6*NWALL -2CMP/CSP Muon Data Wall NWALL Part-5
P9 + 6*NWALL -1CMP/CSP Muon Data Wall NWALL Part-6

where NWALL is the total number of CMP/CSP walls with at least 1 hit. The total of 192 bits per wall is the maximum number of bits from CMP and CSP for a given wall.

Block 10: HAD TDC Block
Displacement Data description
P10TDC Hits for Hadronic Wedge 1
P10 + 1TDC Hits for Hadronic Wedge 2
.............................................
P10 + NHTDC -1TDC Hits for Hadronic Wedge NHTDC

where each word contains the HAD TDC hits for a Hadronic Calorimeter Wedge spanning an azimuthal angle of 300.

Block 11: SET Data
Displacement Data description
P11S ET Data


where bits (0:10) are for Total Event Transverse Energy, S ET;

bits (11:20) are for S ETx;

bits (21:30) are for S Ety;

bit (31) unused.


Block 12: L1 Data
Displacement Data description
P12Level 1 inputs from Pre-FRED 1-4
P12 + 1Level 1 inputs from Pre-FRED 5-8
P12 + 2First 32 L1 Decision bits
P12 + 3Second 32 L1 Decision bits




Block 13: L2 Data
Displacement Data description
P13L2 Trigger Mask, bits 0-31
P13 + 1L2 Trigger Mask, bits 32-63
P13 + 2L2 Trigger Mask, bits 64-95
P13 + 3L2 Trigger Mask, bits 95-127
P13 + 4Number of Level 2 Triggers, NL2
P13 + 4 + 1Prescaling factors for L2 Trigger 1
.........
P13 + 4 + NL2Prescaling factors for L2 Trigger NL2
P13 + 4 + NL2 + 1Number of events passing prescaled Trigger 1
.........
P13 + 4 + 2*NL2Number of events passing prescaled Trigger NL2
P13 + 4 + 2*NL2 + 1Remainder of Trigger 1 inputs to prescale
.........
P13 + 4 + 3*NL2Remainder of Trigger NL2 inputs to prescale
P13 + 4 + 3*NL2 + 1Count of Trigger 1 before prescale
.........
P13 + 4 + 4*NL2Count of Trigger NL2 before prescale

where the number of Level 2 Trigger and the prescaling factors are as specified in the Trigger Table.