eth01-evo board
Pinout
| # | left | io | on board |
|---|---|---|---|
| 1 | POE- | ||
| 2 | POE+ | ||
| 3 | GND | ||
| 4 | NC | ||
| 5 | NC | ||
| 6 | NC | ||
| 7 | NC | ||
| 8 | NC | ||
| 9 | IO19 | USB D+ | |
| 10 | IO18 | USB D- | |
| 11 | IO00 | GPIO0 | |
| 12 | GND | ||
| 13 | IO09 | GPIO9 | ETH_CS -> 20k -> 3v3 |
| 14 | RXD0 | GPIO20 | |
| 15 | TXD0 | GPIO21 | |
| 16 | EN | ||
| 17 | GND | ||
| 18 | 3v3 | ||
| 19 | EN | ||
| 20 | IO01 | GPIO1 | |
| 21 | IO04 | GPIO4 | |
| 22 | IO05 | GPIO5 | 1k -> LED -> 3v3 |
| 23 | IO02 | GPIO2 | 1k -> LED -> 3v3 |
| 24 | GND | ||
| 25 | 3V3 | ||
| 26 | GND | ||
| 27 | 5V | ||
| 28 | LINK | ||
| 29 | NC | ||
| 30 | NC |
DC-DC
ETA3417 : https://datasheet.lcsc.com/lcsc/2307171444_etasolution-ETA3417S2F_C7465507.pdf
DM9051
Davicom DM9051 SPI Ethernet Controller
https://www.dacomwest.de/en/?view=article&id=207:dm9051-en
https://www.dacomwest.de/en/component/edocman/dm9051-i-12-mco-ds-p01-03302015/download
| DM9051 | signal | esp32 | |
|---|---|---|---|
| 17 | SPI_CN | IO9 | -> 20k -> 3v3 |
| 18 | SPI_CLK | IO7 | |
| 19 | SPI_MOSI | IO10 | |
| 10 | SPI_MISO | IO3 | |
| 24 | INT | IO8 | -> 20k -> 3v3 |
| 27 | RSTB | IO6 |
Ethernet Driver
RJ45 connector
https://pcbartists.com/design/embedded/esp32-passive-poe-power-over-ethernet-design-schematic
WT32C3-S5 module
http://en.wireless-tag.com/product-item-18.html
https://templates.blakadder.com/wireless_tag_WT32C3-S5.html
ESP32-C3 MCU
https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf
https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/