electronique:numerique:eeprom_flash
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Prochaine révision | Révision précédente | ||
| electronique:numerique:eeprom_flash [2021/05/03 10:27] – créée florian | electronique:numerique:eeprom_flash [2025/01/14 11:19] (Version actuelle) – modification externe 127.0.0.1 | ||
|---|---|---|---|
| Ligne 1: | Ligne 1: | ||
| - | ====== | + | ====== |
| ===== Objectif ===== | ===== Objectif ===== | ||
| - | Lecture ecriture d' | + | Lecture ecriture d' |
| ===== Raccordement Interface SPI ===== | ===== Raccordement Interface SPI ===== | ||
| - | Source : https:// | + | Source : [[https:// |
| ==== Pin Mapping ==== | ==== Pin Mapping ==== | ||
| Ligne 24: | Ligne 24: | ||
| |7|/ | |7|/ | ||
| |8|VCC|Red|17|3.3v|Power supply (NB do //not// use 5v)| | |8|VCC|Red|17|3.3v|Power supply (NB do //not// use 5v)| | ||
| + | |||
| ===== Breadboard ===== | ===== Breadboard ===== | ||
| S' | S' | ||
| - | {{: | + | {{: |
| ===== R/W eeprom ===== | ===== R/W eeprom ===== | ||
| Ligne 40: | Ligne 41: | ||
| </ | </ | ||
| - | Read : | + | === Read === |
| < | < | ||
| Ligne 48: | Ligne 49: | ||
| <WRAP center round important 90%>\\ | <WRAP center round important 90%>\\ | ||
| - | Toujours dumper 2 ou 3 fois et comparer | + | Toujours dumper 2 ou 3 fois et comparer |
| </ | </ | ||
| - | Write : | + | === Write === |
| < | < | ||
| Ligne 58: | Ligne 59: | ||
| </ | </ | ||
| - | Plus d' | + | Plus d' |
| ==== Comparer 2 dumps ==== | ==== Comparer 2 dumps ==== | ||
| - | |||
| < | < | ||
| + | |||
| vimdiff -y <(xxd bios_locked.bin) <(xxd bios_unlocked.bin) | vimdiff -y <(xxd bios_locked.bin) <(xxd bios_unlocked.bin) | ||
| </ | </ | ||
| + | |||
| + | |||
| + | |||
electronique/numerique/eeprom_flash.1620034069.txt.gz · Dernière modification : 2025/01/14 11:19 (modification externe)
