Raspberry Pi 3 Model B (1GB) Detailed Specifications

Processor (SoC):

• Broadcom BCM2837 ARM Cortex-A53
  • Architecture: 64-bit quad-core
  • Clock Speed: 1.2 GHz
  • Instruction Set: ARMv8-A

Memory (RAM):

• 1GB LPDDR2 SDRAM

Graphics Processing Unit (GPU):

• Broadcom VideoCore IV
  • Support for OpenGL ES 2.0 and OpenVG
  • H.264 decode (1080p30) and encode (1080p30)
  • Graphics Core Frequency: 400 MHz

Networking:

• Ethernet: 10/100 Mbps (Fast Ethernet)
• Wi-Fi: 802.11n (2.4 GHz, onboard Wi-Fi)
• Bluetooth: Bluetooth 4.1 (Bluetooth Low Energy – BLE)

USB Ports:

• 4 x USB 2.0 Ports (with a maximum combined throughput of 480 Mbps)

Storage:

• MicroSD Slot for booting and storage (supports SDHC and SDXC cards)

Power:

• 5V/2.5A via Micro USB (recommended power supply)
• GPIO: 5V and 3.3V pins on the GPIO header can supply small amounts of power to peripherals.

Video Output:

• HDMI: Full-size HDMI port
  • Supports 1080p output
• Composite Video: Via 3.5mm TRRS jack (shared with audio)
  • Supports both analog audio and composite video output
• Display Interface (DSI): 15-pin flat flex connector for Raspberry Pi touchscreen display

Audio Output:

• 3.5mm TRRS jack for stereo audio
• HDMI digital audio output

Camera Interface:

• CSI: 15-pin flat flex connector for Raspberry Pi camera module

General Purpose Input/Output (GPIO):

• 40-pin GPIO header (with UART, SPI, I²C, and PWM support)
• Pin Layout:
  • 2x 5V power pins
  • 2x 3.3V power pins
  • 8x ground pins
  • 26 GPIO pins for general use (includes UART, I²C, SPI, etc.)

Other Connectivity:

• UART: 1x UART
• SPI: 2x SPI
• I²C: 1x I²C bus
• PWM: Available via GPIO pins

Physical Dimensions:

• Dimensions: 85.6mm x 56.5mm x 17mm (L x W x H)
• Weight: 45g (approx.)

Operating System:

• Official OS: Raspberry Pi OS (formerly Raspbian)
• It supports other OSes, such as Ubuntu, Windows 10 IoT Core, LibreELEC, OSMC, etc.

Power Consumption:

• Typical power consumption: 2.5W to 5W depending on use (without peripherals)

Additional Features:

• LED indicators: Power, Activity, Ethernet (Link and Activity)
• Heat dissipation: Passive cooling (no fan, but optional heatsinks can be attached)

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