IC1 Pin Description and Usage


I’ll inspect IC1 in the schematic, identify the exact part, then summarize each pin’s function and usage considerations.
Created the IC1 pin description file for the ESP32-S3-WROOM-1-N4R8, including functions, I/O behavior, strapping/boot notes, USB/JTAG/UART considerations, and project-observed connections.
File: /files/ic1-pin-description-esp32-s3-wroom-1-n4r8~m5
make a pinout map for GPIOs on the IC1 for firmware developer
I’ll build a firmware-facing GPIO pinout map for IC1, using the schematic connections plus ESP32-S3 pin restrictions, and save it as a project file.
Created the firmware-facing GPIO pinout map for IC1 / ESP32-S3-WROOM-1-N4R8, including C-style pin constants, active levels, schematic connections, and restricted pins.
File: /files/ic1-firmware-gpio-pinout-map~8t
Review and update docs
Run schematic ERC
Add net labels
Check boot pins
Review e-ink wiring

IC1
EINK_CLK
LED2
EINK_CS
BUTTON_3
LED3
ESP_RX
ESP_TX
EINK_BUSY
BUTTON_2
EINK_SDI

RemindMe 2

RemindMe 2 thumbnail