Electronics 01
UART Baud Rate Error Tolerance: The Real Budget
A UART tolerates about 4.6% total mismatch at 16x sampling, 3.9% at 8x. Why 115200 on a 16 MHz Arduino is 2.1% off, and why 14.7456 MHz crystals exist.
A UART tolerates about 4.6% total mismatch at 16x sampling, 3.9% at 8x. Why 115200 on a 16 MHz Arduino is 2.1% off, and why 14.7456 MHz crystals exist.