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Commits on Oct 17, 2020

• Replaced 13 dead datasheet urls with a working ones.

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Commits on May 23, 2020

• Get rid of the false positive errors and warnings in the ERC and DRC

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  Eric Kuzmenko

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Commits on May 21, 2019

• In preperation for the final order, re-export all the manufacturing files using the current date and rev number v1.0.0

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  Eric Kuzmenko

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  84337f3

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Commits on Sep 22, 2018

• Increment the version number for any new changes/fixes which are made (v0.1.3)

  

  Eric Kuzmenko

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  dccd6b2

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Commits on Sep 21, 2018

• Swap ECSPI1_MOSI and ECSPI1_MISO

  

  Eric Kuzmenko

  committed
  0990fe1

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Commits on Sep 18, 2018

• Specify that the license is "GNU GPLv3+"

  

  Eric Kuzmenko

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  60034a7

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Commits on Sep 12, 2018

• Increment the version number to v0.1.2 and improve some parts of the routing, remove a pointless via found on Net-(D1701-Pad2) on a top layer track

  

  Eric Kuzmenko

  committed
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Commits on Aug 26, 2018

• Reduce the trace width of CLKO1 and CLKO2 on the inner layers to 0.127mm in order to keep their impedance at 50Ohms throughout their length, do the same for SD2_~RST & WIFI_WAKE, remove a pointless…

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  Eric Kuzmenko

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  c6e5a1c

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Commits on Aug 21, 2018

• Update the issue date in the rev blocks

  

  Eric Kuzmenko

  committed
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Commits on Aug 16, 2018

• Make the backlight boost converter compensation capacitor (C459) 10nF instead of 100nF (was a typo), make the charge controller's PMID capacitor (C302) 10uF instead of 8.2uF since it is a more comm…

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  Eric Kuzmenko

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  9234b54

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Commits on Aug 14, 2018

• Make the ENET_* traces on the top layer 53mils in order to ensure they have a 50Ohm single-ended impedence, move one of the 5V_P bypass caps close to the SoM end of the USB2 diff pair, add meanders…

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  Eric Kuzmenko

  committed
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• Add a 5.29x27.14mm Purism logo to the "back" silkscreen of the board, seen on the bottom left edge when facing the display, remove the old schematic rescue files which are remnants from the Kicad 5…

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  Eric Kuzmenko

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Commits on Aug 3, 2018

• Add pi-matching circuit to the baseband modem antenna's feedline

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  Eric Kuzmenko

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Commits on Aug 2, 2018

• Update the WWAN/BB antenna to use the Antenova SR4L034-R antenna

  

  Eric Kuzmenko

  committed
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Commits on Jul 28, 2018

• Begin routing the HDMI circuit

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  Eric Kuzmenko

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Commits on Jul 23, 2018

• Change all 0603 capacitors _EXCEPT_ the 2.2uF, 4.7uF, 8.2uF, 10uF, and 22uF caps to 0402

  

  Eric Kuzmenko

  committed
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• Reduce all 0603 resistor sizes to 0402

  

  Eric Kuzmenko

  committed
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Commits on Jul 18, 2018

• Use the new 1.5mm diameter test point footprint from KiCad 5's library

  

  Eric Kuzmenko

  committed
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Commits on Jul 17, 2018

• Update the schematic symbols and footprints after upgrading to KiCad 5.0.0, fix all ERC and DRC violations after the new update/upgrade

  

  Eric Kuzmenko

  committed
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Commits on Jul 16, 2018

• Update project files to KiCad 5.0.0

  

  Eric Kuzmenko

  committed
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Commits on Jul 11, 2018

• Replace the 103HT NTC thermistor with a ERTJ1VG103FA as found in TI's TIDA-01182 eval board which has a charge controller IC from the same family and uses an 18650 battery, change is due to it bein…

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  Eric Kuzmenko

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Commits on Jul 9, 2018

• Continue layout around the charge controller circuit

  

  Eric Kuzmenko

  committed
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• Move the charge controller, USB-C TCPC, and RTC to I2C1

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  Eric Kuzmenko

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Commits on Jul 7, 2018

• Place and begin routing the charge controller circuit

  

  Eric Kuzmenko

  committed
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Commits on Jul 5, 2018

• Remove "PWM4" text since it no longer applies

  

  Eric Kuzmenko

  committed
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• Use I2C3 bus instead of I2C1 bus based on EmCraft's feedback

  

  Eric Kuzmenko

  committed
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• Change the capacitor C1718 near the ETH PHY's AVDDL2 pin 44 from 220nF to 2.2uF

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  Eric Kuzmenko

  committed
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Commits on Jul 4, 2018

• Now using GPIO5_IO03 (P4.03) to put the class-D op-amp in shutdown and conserve energy when muted, make C1716 near the ETH PHY's DVDDL pin 47 220nF instead of 10uF (EmCraft suggested that this shou…

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  Eric Kuzmenko

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Commits on Jul 3, 2018

• Move CAPTOUCH_~RST from BOOT_CFG_03 to GPIO1_IO05/P3.33 (was CSI_P2_PWDN), add a 10k pull-down to LCD_~RESET, make the corresponding changes to the BoM and netlist/layout

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  Eric Kuzmenko

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  77d72d4

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Commits on Jun 29, 2018

• Rename all diff pairs such that they end in _P/_N rather than just P/N (underscore needed for diff pair routing)

  

  Eric Kuzmenko

  committed
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Commits on Jun 28, 2018

• Add component info for 10k resistors that are missing them (R105 & R220)

  

  Eric Kuzmenko

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Commits on Jun 27, 2018

• Replace SZMM5Z3V3T1G with MMSZ4688 zener diode which has a higher reverse working voltage to ensure that HP_DET is at a strong HIGH level when headphones/headset are inserted into the jack, replace…

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  Eric Kuzmenko

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Commits on Jun 26, 2018

• Make the pull-up resistor on ENET_MDIO 1.62k +-1%

  

  Eric Kuzmenko

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Commits on Jun 25, 2018

• Change GRM219R61C226ME15L X5R 0805 22uF capacitor to being a CL10A226MP8NUNE X5R 0603 22uF capacitor

  

  Eric Kuzmenko

  committed
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Commits on Jun 24, 2018

• Add proper WWAN reset circuit using a MMBT2222A NPN BJT along with a 100nF cap and a TVS diode, make needed adjustements to the WWAN's SIM card circuit (UIM-CLK and UIM-RESET caps are NC & added 4.…

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  Eric Kuzmenko

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