[Solution de puce]:EFR32FG25
[Fréquence]:860-925 MHz
[Type d’interface]: UART
[Distance de communication]: 2,5 km
[Dimensions]: 20 x 20 mm
[Poids]: 2 ± 0,1 g
[Introduction]:Le module sans fil IoT de la série E51 est un module Wi-Sun longue portée et basse consommation. Il utilise la puce EFR32FG25 et prend en charge la technologie de modulation OFDM (Orthogonal Frequency Division Multiplexing) introduite dans le réseau Wi-SUN (FAN). Doté d'un format compact, de ressources d'interface riches et d'une prise en charge intuitive du développement, il est largement utilisé dans le secteur de l'IoT.
| Pin number | Pin Name | Pin direction | Pin Purpose |
| 1 | GND | Output | Ground wire, connected to the power reference ground |
| 2 | GND | Output | Ground wire, connected to the power reference ground |
| 3 | GND | Output | Ground wire, connected to the power reference ground |
| 4 | GND | Output | Ground wire, connected to the power reference ground |
| 5 | PD07 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 6 | PD06 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 7 | PD05 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 8 | PD04 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 9 | PD03 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 10 | PD02 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| - | PD01 | - | Not connected, used as LFXTAL_I inside the module. Connected to a 32.768KHz crystal oscillator (see the EFR32FG25 manual for details). |
| - | PD00 | - | Not connected, used as LFXTAL_O inside the module. Connected to a 32.768KHz crystal oscillator (see the EFR32FG25 manual for details). |
| 11 | GND | Output | Ground wire, connected to the power reference ground |
| 12 | +5V | Input | Power input +5V |
| 13 | +5V | Input | Power input +5V |
| 14 | PC00 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 15 | PC01 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 16 | PC02 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 17 | PC03 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 18 | PC04 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 19 | PC05 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 20 | PC06 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 21 | PC07 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 22 | PC08 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 23 | PC09 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 24 | PC10 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 25 | NRST | Output | Chip reset trigger input pin, low level is valid |
| 26 | GND | Output | Ground wire, connected to the power reference ground |
| 27 | GND | Output | Ground wire, connected to the power reference ground |
| 28 | GND | Output | Ground wire, connected to the power reference ground |
| 29 | ON | Output | Antenna interface, stamp hole (50Ω characteristic impedance), connected to IPEX-1 interface |
| 30 | GND | Output | Ground wire, connected to the power reference ground |
| 31 | GND | Output | Ground wire, connected to the power reference ground |
| 32 | GND | Output | Ground wire, connected to the power reference ground |
| 33 | GND | Output | Ground wire, connected to the power reference ground |
| 34 | PB05 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 35 | PB04 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 36 | PB03 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 37 | PB02 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 38 | PB01 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 39 | PB00 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 40 | GND | Output | Ground wire, connected to the power reference ground |
| 41 | PA00 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 42 | PA01 | Input/Output | Program debugging/downloading port SWCLK |
| 43 | PA02 | Input/Output | Program debugging/downloading port SWDIO |
| 44 | PA03 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 45 | PA04 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 46 | PA05 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 47 | PA06 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 48 | PA07 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 49 | PA08 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 50 | PA09 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 51 | PA10 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |
| 52 | PA11 | Input/Output | Configurable general-purpose IO port (see EFR32FG25 manual for details) |