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RedBearLab nRF51822 Pinout Board Layout A. Nordic nRF51822 Module B. Freescale MK20DX128VFM5 C. System Reset Button D. Indicate LEDs E. SWD Interface...
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RedBearLab nRF51822 Pinout
Board Layout
A. Nordic nRF51822 Module
B. Freescale MK20DX128VFM5
C. System Reset Button
D. Indicate LEDs
E. SWD Interface For K20
F. SWD Interface For nRF51822
G. nRF51822 SPI Interface
Jargon buster
Plain-language definitions for the technical terms used above.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
- SWD
- Serial Wire Debug is a two-wire programming and debugging interface used with many microcontrollers. It matters if you need low-level access to program, recover or debug the processor board connected to this carrier.
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