Le Raspberry Pi est un nano-ordinateur monocarte à processeur ARM conçu par des professeurs du département informatique de l'université de Cambridge dans le cadre de la fondation Raspberry Pi2.
Cet ordinateur, de la taille d'une carte de crédit, est destiné à encourager l'apprentissage de la programmation informatique ; il permet l'exécution de plusieurs variantes du système d'exploitation libre GNU/Linux, notamment Debian, et des logiciels compatibles. Mais il fonctionne également avec le système d'exploitation Microsoft Windows et celui de Google, Android Pi4.
Raspberry Pi-3 Pin :
Raspberry Pi-3 Pin Configuration:
PIN GROUP |
PIN NAME |
DESCRIPTION |
POWER SOURCE |
+5V, +3.3V, GND and Vin |
+5V -power output +3.3V -power output GND – GROUND pin |
COMMUNICATION INTERFACE |
UART Interface(RXD, TXD) [(GPIO15,GPIO14)] |
UART (Universal Asynchronous Receiver Transmitter) used for interfacing sensors and other devices. |
SPI Interface(MOSI, MISO, CLK,CE) x 2 [SPI0-(GPIO10 ,GPIO9, GPIO11 ,GPIO8)] [SPI1--(GPIO20 ,GPIO19, GPIO21 ,GPIO7)] |
SPI (Serial Peripheral Interface) used for communicating with other boards or peripherals. |
|
TWI Interface(SDA, SCL) x 2 [(GPIO2, GPIO3)] [(ID_SD,ID_SC)] |
TWI (Two Wire Interface) Interface can be used to connect peripherals. |
|
INPUT OUTPUT PINS |
26 I/O |
Although these some pins have multiple functionsthey can be considered as I/O pins. |
PWM |
Hardware PWM available on GPIO12, GPIO13, GPIO18, GPIO19 |
These 4 channels can provide PWM (Pulse Width Modulation) outputs. *Software PWM available on all pins |
EXTERNAL INTERRUPTS |
All I/O |
In the board all I/O pins can be used as Interrupts. |
Raspberry Pi 3 Technical Specifications:
Microprocessor |
Broadcom BCM2837 64bit Quad Core Processor |
Processor Operating Voltage |
3.3V |
Raw Voltage input |
5V, 2A power source |
Maximum current through each I/O pin |
16mA |
Maximum total current drawn from all I/O pins |
54mA |
Flash Memory (Operating System) |
16Gbytes SSD memory card |
Internal RAM |
1Gbytes DDR2 |
Clock Frequency |
1.2GHz |
GPU |
Dual Core Video Core IV® Multimedia Co-Processor. Provides Open GLES 2.0, hardware-accelerated Open VG, and 1080p30 H.264 high- profile decode. Capable of 1Gpixel/s, 1.5Gtexel/s or 24GFLOPs with texture filtering and DMA infrastructure. |
Ethernet |
10/100 Ethernet |
Wireless Connectivity |
BCM43143 (802.11 b/g/n Wireless LAN and Bluetooth 4.1) |
Operating Temperature |
-40ºC to +85ºC |
Board Connectors:
Name |
Description |
Ethernet |
Base T Ethernet Socket |
USB |
2.0 (Four sockets) |
Audio Output |
3.5mm Jack and HDMI |
Video output |
HDMI |
Camera Connector |
15-pin MIPI Camera Serial Interface (CSI-2) |
Display Connector |
Display Serial Interface (DSI) 15 way flat flex cable connector with two data lanes and a clock lane. |
Memory Card Slot |
Push/Pull Micro SDIO |