2. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Rx   Calorimeters (LAr, Tile) 0.2x0.2 0.1x0.1 400 Mb/s analogue ~75m 0.1x0.1 RoI Builder L1 CTP PreProcessor Timing alignment 10-bit FADC FIR filter BCID LUT Sum 2x2 BC-MUX PreProcessor Timing alignment 10-bit FADC FIR filter BCID LUT Sum 2x2 BC-MUX Jet/Energy Processor Sum Em+Had Jet/Energy Processor Sum Em+Had Jet identification Threshold count E T  Ex, Ey  E T, E T Cluster Processor RoI identification e/  /  classification Threshold count Cluster Processor RoI identification e/  /  classification Threshold count DAQ

3. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Processing Result counting   PPM 0 PPM 1 PPM 2 PPM 3 CP M0 CPM 1 CPM 2 CP M3 Algorithms based on overlapping windows e/  /  E T cluster + isolation Crates & modules processes  quadrants

4. Alan Watson ATLAS Overview week, Prague, 17/09/2003

5. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Input Output

6. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Towers Jet sum ASIC FADCs LVDS 4  delay

7. Alan Watson ATLAS Overview week, Prague, 17/09/2003

8. Alan Watson ATLAS Overview week, Prague, 17/09/2003

9. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Tests with 2 CPMs LVDS data sources LVDS data input

10. Alan Watson ATLAS Overview week, Prague, 17/09/2003

11. Alan Watson ATLAS Overview week, Prague, 17/09/2003

12. Alan Watson ATLAS Overview week, Prague, 17/09/2003 Custom Backplane: Common design for CP and JE systems

13. Alan Watson ATLAS Overview week, Prague, 17/09/2003

14. Alan Watson ATLAS Overview week, Prague, 17/09/2003

15. Alan Watson ATLAS Overview week, Prague, 17/09/2003

16. Alan Watson ATLAS Overview week, Prague, 17/09/2003

17. Alan Watson ATLAS Overview week, Prague, 17/09/2003