alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-26 12:50:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

spi: simplify readme description of spi examples

Browse Source
This commit is contained in:
wanlei
2023-02-13 15:44:12 +08:00
parent a361724a46
commit 871b2ba237
2 changed files with 21 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
examples/peripherals/spi_master/hd_eeprom/README.md
View File

@@ -9,18 +9,18 @@
### Connections
For different chip and host used, the connections may be different.
For different chip and host used, the connections may be different. Here show a example diagram of hardware connection, you can freely change the GPIO defined in start of `main/spi_eeprom_main.c` and change the hardware relatively.
| | ESP32 | ESP32 | ESP32S2 | ESP32C2 | ESP32C3 | ESP32C6 | ESP32S3 | ESP32H2 |
| ---- | ----- | ----- | ------- | ------- | ------- | ------- | ------- | ------- |
| Host | SPI1 | HSPI | SPI2 | SPI2 | SPI2 | SPI2 | SPI2 | SPI2 |
| VCC | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| GND | GND | GND | GND | GND | GND | GND | GND | GND |
| DO | 7 | 18 | 37 | 2 | 2 | 2 | 13 | 0 |
| DI | 8 | 23 | 35 | 7 | 7 | 7 | 11 | 5 |
| SK | 6 | 19 | 36 | 6 | 6 | 6 | 12 | 4 |
| CS | 13 | 13 | 34 | 10 | 10 | 10 | 10 | 1 |
| ORG | GND | GND | GND | GND | GND | GND | GND | GND |
| | ESP32 |
| ---- | ----- |
| Host | SPI1 |
| VCC | 3.3V |
| GND | GND |
| DO | 7 |
| DI | 8 |
| SK | 6 |
| CS | 13 |
| ORG | GND |
### Notes