1. Test Stand Status and Plans
MaPSA-Light
Test Stand Status and Plans
Boston U: E. Hazen, S.X. Wu
Brown: M. Narain, S. Piperov and others
Cornell: A. Ryd and others
Rutgers: Y. Gershtein and others
E. Hazen -- MaPSA-Light Testing

2. MaPSA-Light Testing (at FNAL test beam)
Computer
for DAQ (Rutgers)
FMC twin-ax
High freq cable
MaPSA-Light
Test interface+
Carrier board
GLIB (CERN)
With firmware (BU)
E. Hazen -- MaPSA-Light Testing

3. Test Interface and Carrier
MaPSA-Light assembly
bonded to carrier
Test interface board
(Cornell)
Carrier board
(Cornell)
E. Hazen -- MaPSA-Light Testing

4. E. Hazen -- MaPSA-Light Testing
Test Setup
GLIB with
Ethernet
Test interface board
(Cornell)
Carrier board
(Cornell)
FMC HPC
Extender Cable (€€€)
E. Hazen -- MaPSA-Light Testing

5. E. Hazen -- MaPSA-Light Testing
Test Setup Details
E. Hazen -- MaPSA-Light Testing

6. E. Hazen -- MaPSA-Light Testing
Initial Test goals (from June 2015!):
Exercise MPSA-Light chip
Test calibration mode (charge injection)
Test pixel response to source
Test daisy-chain of multiple devices
Validate multiple chip mounting, wirebonding and readout
Future plans:
Test beam response as sensor
Test beam work with one chip as sensor and second for readout
Radiation damage tests
Test hardware TWiki page:
E. Hazen -- MaPSA-Light Testing

7. E. Hazen -- MaPSA-Light Testing
Firmware Functions
General
All firmware on one GLIB MicroTCA board
Connected using FMC HPC cable (individual shielded pairs) to test board
CMS standard IPBus interface
Allows simple read/write access via GbE
Python (Pycohal) and C++ (uHAL) libraries available
E. Hazen -- MaPSA-Light Testing

8. E. Hazen -- MaPSA-Light Testing
Firmware Functions
Serial configuration interface
Load peripheral and pixel config from on-board mem
Calibration pulser
Generate programmable pattern of fixed-width calibration pulses
Phase w.r.t. shutter adjustable in 3ns steps
Operating modes
Pulse calibration, readout
Open shutter, wait for HITOR, readout
E. Hazen -- MaPSA-Light Testing

9. E. Hazen -- MaPSA-Light Testing
Firmware Functions
Data in/out interface
Send strip data to MPA or read data from MPA
256 strip data words per MPA
Utility configuration (on test board)
Power supply enables (VBIAS/A/DVDD etc)
Programmable bias voltages for MPSA-Lights
Bus direction, etc
E. Hazen -- MaPSA-Light Testing

10. E. Hazen -- MaPSA-Light Testing
Firmware for Test Beam
Interface to clock / encoded Fermi (very similar to CERN TTC system)
Operate MaPSA-Light on either 160.0MHz xtal or 159 MHz derived from machine clock
Open shutter when particle trigger received
Optionally generate test pulses when shutter open for bench testing
E. Hazen -- MaPSA-Light Testing

11. E. Hazen -- MaPSA-Light Testing
Status / Plans
First test beam campaign Oct 28 – Nov 11
120 GeV protons from FNAL main injector
Readout counters (asynchronous) and hits (synchronous) modes
Promising results, lots of data taken
Integration with machine trigger was attempted during the test beam and didn't quite work
Working on firmware/software now for next run starting Dec 11th.
E. Hazen -- MaPSA-Light Testing

12. E. Hazen -- MaPSA-Light Testing
Backup Materials
E. Hazen -- MaPSA-Light Testing