Tag Archives: lpc

LPC812 Switch Matrix

One unique feature of the LPC8xx µC is the ability to swap pin functions. Want an UART TX on pin #10 and RX on #2? No problem. You can assign the pin functions via the Switch Matrix. This allows great … Continue reading

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NXP LPC812 Clocks and Timers

Oscillators and Clocks The System Oscillator, not to be confused with the System Clock, can be fed by an external source (XTAL pins or CLKIN pin) or from the 12MHz Internal Oscillator. The external sources are limited to a maximum … Continue reading

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ARM NXP LPC 812 (SysTick) IRQ Blnk

SysTick IRQ Blink Program:

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An ARM Up

On a recent project I needed a µC in a SOIC-20 package to fill a spot on a self-designed PCB. The project started with an ATtiny4313, but the software quickly outgrew the limited 4K flash program memory. I upgraded to … Continue reading

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