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Introducing The Bluefruit Spi Breakout
AdafruitnRF51822
The Bluefruit LE SPI Friend is a Bluetooth Low Energy module designed for easy integration with microcontrollers via SPI. It supports various communication protocols and can be configured using AT commands.
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Specifications
8- Operating Voltage
- 3.3-16V (VIN) regulated to 3.3V for chip operation.
- Logic Level
- 5V-safe inputs
- Clock Speed
- 16MHz MHz
- Flash
- 256KB KB
- Ram
- 32KB KB
- Gpio Count
- six GPIO pins (SCK, MISO, MOSI, CS, IRQ, RST)
- Dimensions
- Not specified in the datasheet
- Connectivity
- SPI, UART, BLE
Pinout
9| Pin | Name | Functions | Notes |
|---|---|---|---|
| VIN | VIN | POWER | 3.3-16V input regulated to 3.3V |
| GND | GND | GND | |
| SCK | SCK | SPI | |
| MISO | MISO | SPI | |
| MOSI | MOSI | SPI | |
| CS | CS | SPI | |
| IRQ | IRQ | SPI | |
| DFU | DFU | GND | For firmware update |
| RST | RST | GPIO | System reset pin |
Interactive pinout
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nRF51822
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