Disclaimer : This page gives an overview of the Raspberry-Pi 3 Model B. Most of the information here comes from the official Raspberry-Pi 3B Product Page.

Image of Rasp3 modelB

  • Processor :

    • Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz (Quad-core processor).

  • Networking :

    • Dual-band wireless LAN / 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac Wireless LAN
    • Bluetooth 4.2/BLE (Bluetooth Low-Energy)
    • Ethernet port
    • Power-over-Ethernet support (Needs separate module)

  • RAM :

    • 1GB LPDDR2 SDRAM

  • GPIO Interface :

    • Extended 40-pin GPIO header
    • GPIO output pins can set to high (3.3V) or low (0V) \ GPIO input pins can be read as high (3.3V) or low (0V).
    • Internal pull-up or pull-down resistors are present on each pins. Pins GPIO2-GPIO3 have fixed pull-up resistors, but other pins can be configured in software.
    • Raspberry-Pi supports Pulse-Width modulation
      • Software Pulse-Width Modulation is available on all GPIO pins.
      • Hardware Pulse-Width Modulation is available on pins GPIO12, GPIO13, GPIO18, GPIO19.
    • Raspberry-Pi supports UART with the following pin configuration :
      • RX(GPIO15), TX (GPIO16)
    • Raspberry-Pi supports SPI with the following pin configuration :
      • SPI0: MOSI (GPIO10); MISO (GPIO9); SCLK (GPIO11); CE0 (GPIO8), CE1 (GPIO7)
      • SPI1: MOSI (GPIO20); MISO (GPIO19); SCLK (GPIO21); CE0 (GPIO18); CE1 (GPIO17); CE2 (GPIO16)
    • Raspberry-Pi supports I2C with the following pin configuration :
      • EEPROM Data: (GPIO0); EEPROM Clock (GPIO1); Data: (GPIO2); Clock (GPIO3)

Raspberry-Pi 3 GPIO Interface

  • Other Interfaces :

    • 4x USB 2.0 ports

    • CSI camera port for connecting a Raspberry Pi camera

    • DSI display port for connecting a Raspberry Pi touchscreen display

    • 4-pole stereo output and composite video port

    • Micro SD port for loading your operating system and storing data.

    • 1x Full-size HDMI port

  • Required Power :

    • Typical PSU current capacity is 2.5A
    • Typical bare-board active current consumption is 400mA
    • Maximum total USB peripheral current draw is 1.2A
    • Recommended micro-USB connector : 5 V/2.5 A DC
  • Miscellaneous Information :
    • The Raspberry-Pi 3 Model B will remain in production until January 2026.
    • Global compliance and safety certificates here
    • Operating temperature : 0-50°C
    • Raspberry-Pi 3 Model B mechanical drawing available here
    • Raspberry-Pi 3 Model B schematic diagrams available here

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