I've been reviewing the esp32 Pico D4 (v4.1) and I am confused by two aspects of the reference schematic: https://dl.espressif.com/dl/schematics/esp32-pico-kit-v4.1_schematic.pdf 1. Correct value of MTDI strapping, pull-up or pull-down? The schematic shows MTDI connected to VDD33 via R23 which is la...