TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in...
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![Page 1: TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in Norway 10-11 November, 2004 University of Oslo Kjetil.](https://reader034.fdocuments.in/reader034/viewer/2022042714/551a70ec550346761a8b493b/html5/thumbnails/1.jpg)
TPC / PHOS / HLTReadout Electronics overview
Annual Evaluation Meeting for CERN-related Research in Norway10-11 November, 2004University of Oslo
Kjetil UllalandKjetil Ullaland
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TPC & PHOS RCU + HLTReadout Electronics and Firmware Team
Ruprecht-Karls Universität Heidelberg, Germany
• V. Lindenstruth• D. Gottschalk• M. Stockmaier• V. Kiworra• T. Alt• T. Krawutschke
ZTT Worms, Germany• S. Bablock• C. KoflerCERN• L. Musa• R. Campagnolo• C. González Gutiérrez• B. Leitao Mota
University of Bergen• D.Röhrich• K.Ullaland• B. Pommersche• J. Alme (new phD-stipend, 2004)• M. Richter (phD-stipend, 2004)• T. Alt (Marie Currie stipend, 2003-4)• G. Grastveit (MsC, 2003)• K. Aurbakken (MsC-student)• O. Torheim (MSc-student)University of Oslo• B. Skaali• S. Solli (MSc-student)• P. T. Hille (MSc-student)Bergen University College• H. Helstrup• J. Lien (handed in phD thesis, 2004)• K. Røed (MSc 2004, phD-stipend, 2004)• L. E. Danielsen (BSc, 2003)• M. S. Myhre (BSc, 2003)
RCU design, prototyping and test
results (TPC & PHOS)
Radiation tolerance for electronics
HLT overview
Phos test beam results
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Config FPGASIU
MezzanineBoard
FEB A FEB BPower
Triggers&
Clocks
DCSMezzanine
Board
DAQSystem
Detector ControlSystem
HLTSystem
Readout Control Unit
TriggerSystem
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RCU – FEC Assembly
![Page 5: TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in Norway 10-11 November, 2004 University of Oslo Kjetil.](https://reader034.fdocuments.in/reader034/viewer/2022042714/551a70ec550346761a8b493b/html5/thumbnails/5.jpg)
510 cm
EE
114
556 cm
The ALICE Time Projection Chamber
570132 pads x 1000 samples = 712 Mbytes / event– 2 scenarios:
• Pb – Pb (@ 200 Hz) 142.5 Gbytes / s• p – p (@ 1 KHz) 712 Gbytes / s
– Data compression (zero suppression) in FEE
![Page 6: TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in Norway 10-11 November, 2004 University of Oslo Kjetil.](https://reader034.fdocuments.in/reader034/viewer/2022042714/551a70ec550346761a8b493b/html5/thumbnails/6.jpg)
RCU
Ethernet( 1 MB/s )
Detector Data Link( 200 MB / s )
COUNTING ROOM
ALTRO bus( 200 MB / s )
LocalSlow- Control(I2C-serial link)
ON DETECTORFEC128 ch
1
13
2
14
12
25
DCS int.(Ethernet)
SIU int.(DDL-SIU)
Trigger int.(TTC-RX)
FEC128 ch
FEC128 ch
FEC128 ch
FEC128 ch
FEC128 ch
PASA – ADC – DIG.
DETECTOR
TTC optical Link(Clock, L1 and L2 )
Overall TPC: 4356 Front End Card 216 Readout Control Unit
ALTROBus
Interface
Slow Control
Interface
Dataassembler
Branch A
Branch BRORC(PCI)
DCS
TTC
![Page 7: TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in Norway 10-11 November, 2004 University of Oslo Kjetil.](https://reader034.fdocuments.in/reader034/viewer/2022042714/551a70ec550346761a8b493b/html5/thumbnails/7.jpg)
ALICE Photon Spectrometer (PHOS)
5x3584 XTALs5x112 Front End Cards5x8 Readout Control Units
![Page 8: TPC / PHOS / HLT Readout Electronics overview Annual Evaluation Meeting for CERN-related Research in Norway 10-11 November, 2004 University of Oslo Kjetil.](https://reader034.fdocuments.in/reader034/viewer/2022042714/551a70ec550346761a8b493b/html5/thumbnails/8.jpg)
RCU
Ethernet( 1 MB/s )
Detector Data Link( 200 MB / s )
COUNTING ROOM
ALTRO bus( 200 MB / s )
LocalSlow- Control(I2C-serial link)
ON DETECTORFEC32 ch
0
14
1
15
14
28
DCS int.(Ethernet)
SIU int.(DDL-SIU)
Trigger int.(TTC-RX)
FEC32 ch
FEC32 ch
FEC32 ch
PASA – ADC – DIG.
DETECTOR
TTC optical Link(Clock, L1 and L2 )
Overall PHOS:5x3584 XTALs 5x112 Front End Cards 5x8 Readout Control Units
ALTROBus
Interface
Slow Control
Interface
Dataassembler
Branch A
Branch BRORC(PCI)
DCS
TTC
Debugging Bus(USB-serial link)
Trigger card28 FECs
Trigger card28 FECs
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Local Pattern Recognition
High Level Trigger
✔ Commercial off-the-shelf PCs●~300 PCs equipped with FPGA Co-processor cards with Firmware Algorithms●~300-500 compute nodes
✔Fault-tolerant cluster management✔Publisher-Subscriber Interface
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HLT data input / output
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HLT FEP Architecture
DetectorData Link
Datapointer
List
Pus
h re
adou
t P
oint
ers
FPGAPCI 66/64
PCI
Hostmemory
PCIHostbridge
smallDerandom.Evt. Buffer
CP
U
iCache
dCache
CP
U
iCache
dCache
CP
U
iCache
dCache
CP
U
iCache
dCache
Network Interface
200
MB
/s m
ax. p
er d
esig
n≈
90 M
B/s
typi
cal
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RCU Motherboard - Bottom viewALTERA
APEX20KEGTLTransceivers
Backplane readoutconnectors
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RCU Motherboard - Top view
DCS interfaceDIMM connector
Power regulators
SIUPMC connectors
TEST and DEBUG connectors
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TTC and DCS mezzanine card• Tasks:
– Configuration
– RCU
– FEC
– monitoring / controlling the FEE
– configuration/readout of the TTCrx
– distributing the L1 and L2
• ALTERA Excalibur:– FPGA EP20K100
– ARM922T hardwired processor running Linux
TTCrx chip
(custom)
Ethernet bridge
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DDL - SIU mezzanine card