![]() ![]() The winner is - STM32 ARM Cortex-M series. My filtering for 64-100 pin devices resulted in 1638 devices from 17 manufactures… After much 1 second consideration I finally quickly made a decision. ![]() ![]() While lacking of choice is not always a real engineering problem, having too many choices is usually more troublesome. So I went to element 14 parametric search to look for a suitable chip. Considering the additional clock, power and programming/debug lines, the minimal pin count I’m going for is 64. To my estimation these peripherals require about 40 pins. In an upcoming project I need a micro controller that operates: 1x 16-bit DAC (SPI) 1x 24-bit ADC (SPI) 1x 8-bit parallel LCD 1x rotary encoder 1x PWM fan 1x fan tachometer 1x temperature sensor (DS18B20) 2x analog switches 1x uplink UART 4x push buttons, and some voltage monitoring for various power rails. ![]()
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