Broches d'alimentation
Broches 3V3 (alimentation 3.3V)​
| Pin | Interface | Type |
|---|---|---|
| 3V3_P17 | Edge Connector | 3V3 |
| 3V3_P18 | Edge Connector | 3V3 |
| 3V3 | Edge Connector / Croc | 3V3 |
| 3V3_P23 | Pad crocodile | 3V3 |
| 3V3_P30 | Pad crocodile | 3V3 |
| STEMMA_3V3 | STEMMA/Qwiic (x2) | 3V3 |
Broches GND (masse)​
| Pin | Interface | Type |
|---|---|---|
| GND_P21 | Edge Connector | GND |
| GND_P22 | Edge Connector | GND |
| GND | Edge Connector / Croc | GND |
| GND_P26 | Pad crocodile | GND |
| GND_P27 | Pad crocodile | GND |
| STEMMA_GND | STEMMA/Qwiic (x2) | GND |
| JTAG_GND | Port JTAG | GND |
| JACDAC_D | Jacdac | GND |
Alimentation Jacdac​
| Pin | Signal | Description |
|---|---|---|
| JACDAC_P | 5V_JD_PWR | Alimentation 5V pour modules Jacdac |
Rails d'alimentation internes​
| Rail | Description | Test Points |
|---|---|---|
| +5V_USB | 5V apres protection ESD et ferrite | TP50 |
| VBUS | Broche VBUS du connecteur USB | TP53, TP54 |
| PACK_OUT | Sortie batterie avant BQ27441 | TP1 |
| VDD | Tension apres BQ27441 | TP52 |
| +3V3@1200mA | 3.3V principal (TPS63000) | TP2, TP4, TP55, TP60, TP62, TP13, TP14 |
| SYST | Tension avant regulateur TPS63000 | TP3 |
| +14V5@100mA | 14.5V boost (LMR62421) pour buzzer | TP5 |
| +3V3_STLINK | 3.3V pour le STLink | TP46 |
| VBAT_ON_OFF | Signal SYSOFF du BQ24075 | TP51 |
| POWER | Sortie alimentation apres BQ24075 | TP49 |