Block a user
Length of access path is a bad metric
Bringup: Side
- It's a mess, I mirrored all connectors, meaning GND/VCC need to be cut and changed. (Like routing directly through to the top/bottom is fine -- they are correctly aligned -- but each GND plane…
Bringup: Power
- Changed charge rate to 200 mA for the 400 mAh LiPo battery.
- Problem: As the CPU runs off the cell (and therefore charger) supply, it never detects that it finished charging unless the CPU is…
Bringup: Digital
- Add 16 MHz crystal, rewire I/Os
- Remove level shifter, connect directly
- CPU is always powered from the cell, meaning the 12 mA current draw of the system will prevent the charger from ever…