Content originally posted in LPCWare by iharihar on Fri Feb 12 07:35:31 MST 2016
Hello, everyone.
I want to create a counter of high frequency pulses using
an external special counter chip and LPC1547 SCTimer ( in counter mode) connected consecutively.
What max frequency of the pulses (duty cycle 50%) can I count reliably?
My LPC1547 board has 12Mhz ext osc and 72Mhz system clock.
Can I use QEI module in clock/direction mode for this goal?
What is max freq of input signal for QEI module?
I did't find anything in LPC15xx data sheet and manual concerning my question.
Will NXP support team be able to answer me?
