Tag Archives: cortex

STM32F411RE Nucleo 40MHz SPI with Cypress FM25CL64B FRAM

Previously, I tested a Cypress FRAM memory chip with the Arduino. A feature of FRAM memory is the speed at which it can be accessed. Cypress claims the FM25xxx chips can operate at 40MHz, however the maximum speed for SPI … Continue reading

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LPC812 on a 20MHz External Crystal

Because the NXP LPC800 clock options and the setup are somewhat confusing, I thought I would post this example. Here is my LPC812 dev board running on a 20MHz external crystal. The frequency counter is reading the clockout pin which … Continue reading

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LPC810 Breakout Board

This basic Arm Cortex-M0+ NXP LPC810 breakout board features a FTDI programming header, USB (mini-B) connector for power only, a LM117-3.3v voltage regulator, power LED, ISP and Reset buttons and a standard 2×5-pin 0.05″ SWD debug connector. All pins are … Continue reading

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