Trigger, DAQ, Trigger, DAQ, calibrationcalibration

Robert Sulej, październik 2007Robert Sulej, październik 2007

HV trimDAC

Trip-t

Trip-t

Trip-t

Trip-t

Spartan 3XCS2000

PROM

GAIN SPLITTING COMPONENTS

POWER

I2C

5V

3.3V

2.5v

1.2V

AD

C

AD

C

DATA

TRIG

MINIATURE COAX CONNECTORS

Trip-t Front-End Board (TFB)

Spill StructureSpill Structure

Bunch Structure

Spill Structure

58ns 58ns

581ns

58ns

581ns

58ns

581ns

58ns

581ns

58ns

581ns

58ns

581ns

58ns

581ns581ns

58ns

3.53s 3.53s

5.17µs 5.17µs 5.17µs

integration resetChip Time Structure

A. Weber

Trip-t Front-End Board (TFB)

Trigger PathTrigger Path

PDdisc

FE FPGA(TFB)

output driver

Vref

amp

Trigger FPGA(CTM)

10-20 m

SCINTtrigger

TPCtrigger

FE FPGAFE FPGA channel mask (64ch)channel mask (64ch) look for trigger primitiveslook for trigger primitives

N hits in ~10 nsec windowN hits in ~10 nsec window drive outputdrive output

Trigger FPGATrigger FPGA require certain FE FPGA hit require certain FE FPGA hit

pattern pattern

A. Weber, KEK, 2007-09-25

TFB0

RMM0C

lk &

trg

da

ta

CTM

Trigger Primitives

MCM

Co

smic

tr

igg

er

Sp

ill t

rig &

#

GP

S 1

Hz/

10

0M

Hz

Clk

& t

rg

FPNGigabit/Ethernet

Gig

ab

it/E

the

rne

tAcronyms:Acronyms:TFB: TFB: TRIP-t front-end boardTRIP-t front-end boardRMM:RMM: r/o merger moduler/o merger moduleCTM:CTM: cosmic trigger modulecosmic trigger moduleMCM:MCM: master clock modulemaster clock moduleSCM:SCM: slave clock moduleslave clock moduleFPN:FPN: front-end proc. node (PC)front-end proc. node (PC)

SCMcalibration triggerClk & trg

Gigabit/Ethernet

Clk

& t

rg

System OverviewSystem Overview

TPC/FGD front end

calibration triggerlaser?

FPN

FPN

A. Weber, KEK, 2007-09-25

D. AllenA. Weber

Trigger Sequence - Spill Structure & Cosmics

Spill Number

Spill Trigger

Spill Structure(Bunch)

58ns260ns

23 Batches / Bunch

1 Batch of N hits

Detector Hits

0 1

Trigger Primitives(1 or 2 bits. Tx at 100MHz )

Cosmic Trigger (Event)

Cosmic Trigger Word (Packet)No. of Bits ? [ Valid Event to Readout]Optical TriggerRate ~ 20 Hz

From MCM to RMM via SCMFrom 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)

Data

Total Data

Into TFB

From TFB

From CTM

Data

Readout Trigger

Cosmics

1 ms ave.

G. F. Pearce, KEK, 04-2007

DAQ architecture