29 May '13, 11pm

Programming a through-hole ARM microcontroller

The age of ARM microcontrollers for the electronics hobbyist is upon us, and luckily there are a few breadboard-friendly microcontrollers available in a DIP package. One of these chips is NXP’s LPC810M021FN8 – a tiny little 8-pin DIP with 4 kB of Flash, 1 kB of SRAM, and has a clock fast enough for some really cool stuff. [Joao] needed a way to program one of these microcontrollers and came up with an easy method using only a USB/UART adapter . The key to this build is the fact the LPC810 doesn’t need any additional components to operate; the internal oscillator means the chip will run at 30 MHz with only a power and ground attached. To program the chip, [Joao] attached the Tx and Rx lines of the chip to a USB/UART adapter (at 3.3 V, of course), and uploaded some code with Flashmagic . We’ve seen these DIP-sized ARM chips before , but [Joao]‘s method of using off-the-shelf...

Full article: http://hackaday.com/2013/05/29/programming-a-through-hole...

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