specgather.md

@@ -10,10 +10,10 @@ SPEC7.
 
 #### NIKHEF/WRITE JRP, CERN: as high-precision PCIe and stand-alone White Rabbit design
 
-\* Aim: new PCIe FMC carrier that is optimised as White Rabbit node with
+* Aim: new PCIe FMC carrier that is optimised as White Rabbit node with
 a target frequency instability of 1e-13 over 100 sec.
 
-\* Users will be first: research institutes and metrology institutes
+* Users will be first: research institutes and metrology institutes
 with the aim to disseminate UTC from metrology partners to European
 research institutes and industry partners. Later: high performance
 users, telecom, ....
@@ -22,26 +22,27 @@ users, telecom, ....
 cheap (?), design without the bother of buying an expensive stable
 external oscillator that the metrology users need.
 
-\* Other possible user for 1 GSPS ADC cards requiring HPC FMC? Needs to
+* Other possible user for 1 GSPS ADC cards requiring HPC FMC? Needs to
 be worked out as fast ADCs nowadays use many serial links and have no
 parallel readout. With FPGA with 8 GTX, only a single GTX is available
 for FMC connector.
 
-\* Quantity: 100 in 5 years for metrology and research needing high
+* Quantity: 100 in 5 years for metrology and research needing high
 timing performance.
 
-\* Priority
+* Priority
+   1.  optimise for performance
 
-1.  optimise for performance
-      - Try out ideas of presentation [*High quality standard standard
+     * Try out ideas of presentation [*High quality standard standard
         frequency
         transfer*](https://www.ohwr.org/project/white-rabbit/uploads/7163913a8935a3ef6cf912e22b90a3da/6_hp-mr.pdf),
         2016, NIKHEF & CERN
-2.  (cost)
+
+   2.  (cost)
 
 #### CERN: as SPEC replacement
 
-\* Aim: smooth replacement of existing SPEC that is a cheap *Simple FMC
+* Aim: smooth replacement of existing SPEC that is a cheap *Simple FMC
 carrier with WR support*.
 
 * It is believed that an ADEV of 1e-13 over 100 sec should be
@@ -59,35 +60,26 @@ become acquainted with partial reconfiguration.
 * The existing SPEC with WRS are the two flagship OH projects and the
 SPEC7 therefore may not fail as project.
 
-\* Used by
-
-* DIO
-
-* ADC100M
-
-* TDC
-
-* Fine Delay
-
-* WorldFIP master
-
-* and other FMC mezzanines.
-
-\* Users
-
-* CERN
-
-* Many current [SPEC
+* Used by
+  * DIO
+  * ADC100M
+  * TDC
+  * Fine Delay
+  * WorldFIP master
+  * and other FMC mezzanines.
+
+* Users
+  * CERN
+  * Many current [SPEC
 users](https://www.ohwr.org/project/spec/wikis/users) have their
 in-house designed FMC mezzanines. Should provide a compatible
 alternative.
 
-\* Quantity: 500 cards expected in 5 years
-
-\* Priority
+* Quantity: 500 cards expected in 5 years
 
-1.  cost
-2.  performance
+* Priority
+  1.  cost
+  2.  performance
 
 #### Single development
 
@@ -117,51 +109,34 @@ alternative.
 
 * Xilinx is interested in this (via Sundance)
 
-* Hardware/Software splitting is mature so will make the SPEC7 very
-interesting
+* Hardware/Software splitting is mature so will make the SPEC7 very interesting
 
-*
-*[XC7Z035-2FBG676E](https://www.eciaauthorized.com/en/search/XC7Z035-2FBG676E)
+* [XC7Z035-2FBG676E](https://www.eciaauthorized.com/en/search/XC7Z035-2FBG676E)
 (~1100 Euro)** (-2=faster, Extended temp range only, not available in
 commercial temp range)
-
-*\*
-[XC7Z035-1FBG676C](https://www.eciaauthorized.com/en/search/XC7Z035-1FBG676C)
+* [XC7Z035-1FBG676C](https://www.eciaauthorized.com/en/search/XC7Z035-1FBG676C)
 (~800 Euro)
-
-*\* 8 GTX receivers (4 used for PCIe, 1 for SFP, 1 for FMC - as on
+  * Z035: 8 GTX receivers (4 used for PCIe, 1 for SFP, 1 for FMC - as on
 SPEC - and 2 for SATA). Makes it too expensive.
 
-*
-*[XC7Z030-2FBG676E](https://www.eciaauthorized.com/en/search/XC7Z030-2FBG676E)
+* [XC7Z030-2FBG676E](https://www.eciaauthorized.com/en/search/XC7Z030-2FBG676E)
 (~285 Euro)** (-2=faster, Extended temp range only, not available in
 commercial temp range)
-
-*
-*[XC7Z030-1FBG676C](https://www.eciaauthorized.com/en/search/XC7Z030-1FBG676)
+* [XC7Z030-1FBG676C](https://www.eciaauthorized.com/en/search/XC7Z030-1FBG676)
 (~206 Euro)** (-1= slower, commercial temp range)
-
-*\* Only 4 GTX receivers (PCIe x2, 1 for SFP, 1 for FMC, no SATA
-anymore)
-
-*\* comparable to Kintex 125 kcells
-
-*\* pin-compatible up to 7Z045. (SBG485 package only 7Z030, cannot go
+  * Z030: Only 4 GTX receivers (PCIe x2, 1 for SFP, 1 for FMC, no SATA anymore)
+* comparable to Kintex 125 kcells
+* pin-compatible up to 7Z045. (SBG485 package only 7Z030, cannot go
 larger)
 
-*\* ([FASEC](https://www.ohwr.org/project/fasec/wiki) uses also
-XC7Z030)
+* ([FASEC](https://www.ohwr.org/project/fasec/wiki) uses also XC7Z030)
 
-* XC7Z015 is only one smaller with PCIe x4 integrated, but no larger
-versions in pin-compatible packages available
+* XC7Z015 is only one smaller with PCIe x4 integrated, but no larger versions in pin-compatible packages available
 
-*\* like Artix-7 74 kcells
+* like Artix-7 74 kcells
 
-*\*
-*[XC7Z015-2CLG485E](https://www.eciaauthorized.com/en/search/XC7Z015)
-(~132 Euro)**
-
-*\* CLG485 package
+*[XC7Z015-2CLG485E](https://www.eciaauthorized.com/en/search/XC7Z015) (~132 Euro)**
+  * CLG485 package
 
 ### FMC HPC or LPC
 
@@ -310,28 +285,17 @@ Some extra's that were on our list:
 * FBG676 package allows 70T, 160T, 325T and 410T sizes on the same
 footprint.
 
-*\*
-*[XC7K70T-2FBG676C](https://www.eciaauthorized.com/en/search/XC7K70T-2FBG676C):
-(~180 Euro)**
-
-*\*
-*[XC7K160T-2FBG676C](https://www.eciaauthorized.com/en/search/XC7K160T-2FBG676C)
-(~260 Euro)**
-
-*\* cf.
-[XC6SLX45T-3FGG484C](https://www.eciaauthorized.com/en/search/XC6SLX45T-3FGG484C)
+* [XC7K70T-2FBG676C](https://www.eciaauthorized.com/en/search/XC7K70T-2FBG676C): (~180 Euro)**
+* [XC7K160T-2FBG676C](https://www.eciaauthorized.com/en/search/XC7K160T-2FBG676C) (~260 Euro)**
+* cf.[XC6SLX45T-3FGG484C](https://www.eciaauthorized.com/en/search/XC6SLX45T-3FGG484C)
 on SPEC: (~84 Euro without STEP pricing)
-
-*\* 8 GTX Transceivers max (4 used for PCIe, 1 for SFP, 1 for FMC -
+* 8 GTX Transceivers max (4 used for PCIe, 1 for SFP, 1 for FMC -
 as on SPEC - and 2 for SATA).
-
 * A 70T in FBG484 package cannot be used as has only 4 GTX
 Transceivers (No need to check if can be used on footprint of FBG676)
 
 * Smallest Kintex7 with 16 GTX transceivers:
-[XC7K325T-2FBG900C](https://www.eciaauthorized.com/en/search/XC7K325T-2FBG900C)
-(~1100
-Euro)
+[XC7K325T-2FBG900C](https://www.eciaauthorized.com/en/search/XC7K325T-2FBG900C) (~1100 Euro)
 
 #### Artix-7 *"Transceiver Optimization at the Lowest Cost and Highest DSP Bandwidth"*
 
@@ -341,17 +305,11 @@ Euro)
 
 * FGG676 package allows 75T and 100T on same footprint.
 
-*\*
-[XC7A75T-2FGG676C](https://www.eciaauthorized.com/en/search/XC7A75T-2FGG676C)
-(~125 Euro)
+* [XC7A75T-2FGG676C](https://www.eciaauthorized.com/en/search/XC7A75T-2FGG676C) (~125 Euro)
 
-*\*
-[XC7A100T-2FGG676C](https://www.eciaauthorized.com/en/search/XC7A100T-2FGG676C)
-(~180 Euro)
+* [XC7A100T-2FGG676C](https://www.eciaauthorized.com/en/search/XC7A100T-2FGG676C) (~180 Euro)
 
-* FBG484 package allows only 4 GTX transceivers (1 used for PCIe
-1x(\!), 1 for SFP, 1 for FMC *as on SPEC* and only 1 for SATA instead of
-2).
+* FBG484 package allows only 4 GTX transceivers (1 used for PCIe 1x(\!), 1 for SFP, 1 for FMC *as on SPEC* and only 1 for SATA instead of 2).
 
 #### Altera