MCU Arch Flash (KB) RAM (KB) Clock (MHz) Current (mA) mA/MHz Price (USD) at 1k
LPC1765FBD100,551 ARM Cortex-M3 (32) 256 64 100 50 0.5 5.06
ATxmega128A1 AVR (8) 128 8 32 20 0.63 6.05
MSP430F5436AIPZR MSP430 (16) 192 16 25 10 0.4 4.797
PIC32MX340F128L-80I/PT PIC32 (32) 128 32 80 55 0.69 4.82
STM32F103VBT6 ARM Cortex-M3 (32) 128 20 72 33 0.46 4.29

Traditional microcontroller projects have been based on 8-bit architectures. However, 16-bit and 32-bit architectures (such as the ARM Cortex-M3) are becoming very attractive alternatives with competitive pricing and power consumption requirements.

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