E. Hazen - CMS Electronics Week HCAL DTC (aka CMS-MCH) What should it do (for HCAL)? Distribute TTC and receive TTS from AMC modules Receive DAQ data from AMC modules Optionally, receive and process SR information It could to these things for other subsystems... Implementation (rev 1, at least) Lives in MCH slot for connectivity Based on NAT-MCH base board (provides I2C, SPI, GbE) Stack of 2 custom mezzanines plus a connector board for T4 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week NAT-MCH v3 Base Board 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week HCAL DTC (aka CMS-MCH) Built on NAT-MCH base board initially T2 gets power, GbE, SPI, I2C from NAT-MCH. 3.3V Regulators Clock fanout T3 logic board V6 FPGA 2x SFP+ optics TTC fiber Rx Fabric I/O to T3, T4 Single-width MCH module Provides controls, clock distribution (TTC initially) Provides DAQ interface via fat pipes (external SLink/TTS adapter) Font panel I/O: 2x SFP+ optical transceiver DAQ + Spare TTCrx fiber receiver T4 T3 T2 T1 NAT-MCH base board Standard MCH functions GbE to mezzanines SPI for flash programming I2C bus 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week Front Panel Sketch Provided by NAT-MCH Provided by DTC mezzanines Ext clock input 2 x SFP(+) 100BaseT Management Ethernet TTC Fiber rx or another SFP... discuss! GbE to switch 20 Jan 2010 E. Hazen - CMS Electronics Week

Management / Clock Fanout Board (T2) From MCH Base Board 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week Logic Board (T3) DAQ fiber FPGA XCE6VLX130T or XCE6VLX240T MCH Connector 3+4 SFP+ SFP+ Fat Pipes to AMC 1-12 DAQ ~ 6Gb Spare fiber SFP+ SFP+ TTC fiber Clock/ Data Recovery IC MCH Connector 3+4 Fat Pipes to AMC 1-12 Controls ~ 400Mb TTC Clock to T3 board Conf GbE to NAT-MCH 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week Control of DTC Option 1 – SPI via NAT-MCH NAT-MCH provides SPI (and I2C) to mezz boards We will use SPI for flash programming and register access to FPGA Option 2 – GbE via NAT-MCH switch Plan to implement simple GbE endpoint in V6 Details TBD but could be used for local DAQ 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week Plans... Obtain NAT-MCH base board (received) Test board layout – T2 PCB only to test NAT-MCH integration TTCrx receiver Should fabricate starting next week Finish electrical design; layout two PCBs and fabricate Initial test/commissioning with loop-back on DTC Integrate with MiniCTR2 (clock / controls paths) Commission DAQ path from MiniCTR2 Commission GbE endpoint on DTC .... 20 Jan 2010 E. Hazen - CMS Electronics Week

E. Hazen - CMS Electronics Week For Discussion How to implement GbE endpoint DAQ output protocol Migrate to stand-alone “AMC13” in MCH-2 slot Other... 20 Jan 2010 E. Hazen - CMS Electronics Week