1. Trigger, DAQ, calibration Robert Sulej, październik 2007

2. HV trim DAC Trip-t Spartan 3 XCS2000 PROM GAIN SPLITTING COMPONENTS POWER I2CI2C 5V 3.3V 2.5v 1.2V ADC DATA TRIG MINIATURE COAX CONNECTORS Trip-t Front-End Board (TFB)

3. Spill Structure Bunch Structure Spill Structure 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 3.53s 5.17µs integrationreset Chip Time Structure A. Weber

4. Trip-t Front-End Board (TFB)

5. Trigger Path PD disc FE FPGA (TFB) output driver V ref amp Trigger FPGA (CTM) 10-20 m SCINT trigger TPC trigger FE FPGA FE FPGA channel mask (64ch) channel mask (64ch) look for trigger primitives look for trigger primitives N hits in ~10 nsec window N hits in ~10 nsec window drive output drive output Trigger FPGA Trigger FPGA require certain FE FPGA hit pattern require certain FE FPGA hit pattern A. Weber, KEK, 2007-09-25

6. TFB0 RMM0 Clk & trg data CTM Trigger Primitives MCM Cosmic trigger Spill trig & # GPS 1Hz/100MHz Clk & trg FPN Gigabit/ Ethernet Acronyms: TFB: TRIP-t front-end board RMM:r/o merger module CTM:cosmic trigger module MCM:master clock module SCM:slave clock module FPN:front-end proc. node (PC) SCM calibration trigger Clk & trg Gigabit/ Ethernet Clk & trg System Overview TPC/FGD front end calibration trigger laser? FPN A. Weber, KEK, 2007-09-25

7. D. AllenA. Weber Trigger Sequence - Spill Structure & Cosmics Spill Number Spill Trigger Spill Structure (Bunch) 58ns 260ns 23 Batches / Bunch 1 Batch of N hits Detector Hits 01 Trigger Primitives (1 or 2 bits. Tx at 100MHz ) Cosmic Trigger (Event) Cosmic Trigger Word (Packet) No. of Bits ? [ Valid Event to Readout] Optical Trigger Rate ~ 20 Hz From MCM to RMM via SCM From RMM (260ns + 58ns) x 23 = 7.31us (time may change) 3.53s 5.17us Trigger Primitives (1KHz - 1ms ave) 1 us ~ 1-10 us? ~ 1 us50 ms typ. TFB Event Data (~8K Bytes) RMM Collective Event Data (~350K Bytes) DataTotal Data Into TFB From TFB From CTM Data Readout Trigger Cosmics 1 ms ave.

8. G. F. Pearce, KEK, 04-2007 DAQ architecture