The Model B+ uses the same BCM2835 application processor as the Model B. It runs the same software, and still has 512MB RAM; but the Raspberry Pi team have made the following key improvements:
- More GPIO. The GPIO header has grown to 40 pins, while retaining the same pinout for the first 26 pins as the Model B.
- More USB. There are now 4 USB 2.0 ports, compared to 2 on the Model B, and better hotplug and overcurrent behaviour.
- Micro SD. The old friction-fit SD card socket has been replaced with a much nicer push-push micro SD version.
- Lower power consumption. By replacing linear regulators with switching ones they've reduced power consumption by between 0.5W and 1W (the B+ board now uses less power (600mA) than the Model B Board (750mA) when running).
- Better audio. The audio circuit incorporates a dedicated low-noise power supply.
- Neater form factor. Aligned the USB connectors with the board edge, moved composite video onto the 3.5mm jack, and added four squarely-placed mounting holes.
Please note: The Raspberry Pi Model B+ has a different layout to the previous Raspberry Pis which means existing enclosures / daughter boards may not fit.
- Chip: Broadcom BCM2835 SoC
- Core Architecture: ARM11
- CPU: 700 MHz Low Power ARM1176JZFS Applications Processor
- GPU - Dual Core VideoCore IV® Multimedia Co-Processor
- Provides Open GL ES 2.0, hardware-accelerated OpenVG, and 1080p30 H.264 high-profile decode
- Capable of 1Gpixel/s, 1.5Gtexel/s or 24GFLOPs with texture filtering and DMA infrastructure
- Memory: 512MB SDRAM
- Operating System: Boots from Micro SD card, running a version of the Linux operating system
- Dimensions: 85 x 56 x 17mm
- Power: Micro USB socket 5V, 2A
- Ethernet: 10/100 BaseT Ethernet socket
- Video - HDMI (rev 1.3 & 1.4)
- USB: 4 x USB 2.0 Connector
- GPIO Connector with 40-pin 2.54 mm (100 mil) expansion header: 2x20 strip
- 27 GPIO pins as well as +3.3 V, +5 V and GND supply lines
- Camera Connector: 15-pin MIPI Camera Serial Interface (CSI-2)
- JTAG: Not populated
- Display Connector: Display Serial Interface (DSI) 15 way flat flex cable connector with two data lanes and a clock lane
- Memory Card Slot: SDIO
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Documentation and Resources:
- The Maker Revolution
The Maker Revolution celebrates the creation of new devices and the modification of existing ones - the transition from a consumer buying goods to eventually having a major part in their creation. The Maker Revolution places strong emphasis on free (...
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