Streamlined version

This revision aligns the design with other boards of the same standard.
Notable changes include:

• Updated to KiCad 8
• added CadLab integration for viewing
• added SPI Flash to store bootloader and a minimal system in case sd-card is unavailable
• removed the RTC from the board
• reworked ddr signals to match impedance on JLC 1080 stack-up
• Added board description

Full Changelog: v0.9.9...v1.0.1

New board version

Created a new board version with several changes:

• new testpoints for most of the internal signals
• added MCP7940 RTC
• removed LCD backlight driver
• added 1.27 pitch connector with lcd/touch/power signals
• edited silkscreen with indicators for pin counting
• edited dram footprint with multiple dimensions
• added fiducials for board alignment
• removed soldermask over layer alignment zone
• added 2 adc pins from AXP209 PMIC on header

Ready for fab

Board is fully routed and ready to be sent to fab.
JLCPCB with 2313 impedance controlled stackup was chosen. 1mm thick pcb with 4 layers.

Gerbers are attached for reference