Kenji Arai / Mbed 2 deprecated FreqCntr_GPS1PPS_F746F4xx_w_recipro

Very simple but enough accuracy "Frequency Counter". Using GPS 1PPS signal for 1sec gate. CPU is F746, F446 and F411.

Dependencies:   fc_GPS1PPS_f746_f4xx iSerial mbed

Please refer following.
/users/kenjiArai/notebook/frequency-counters/

Concept block are follows.
F746
/media/uploads/kenjiArai/block_diagram_fc_f746_wo_oven.pdf
F411&F446
/media/uploads/kenjiArai/block_diagram_fc_f411_wo_oven.pdf
Hardware Circuit(common F746,F446 and F411)
/media/uploads/kenjiArai/fc_f746ng_circuit.pdf
/media/uploads/kenjiArai/f746_fc_1.jpg

History

Frequency counter program. Using GPS 1PPS signal. ; Frequency measurement range 0.01 Hz to Over 1.5GHz (F746 & F446) or 0.8GHz.; This is very simple way but enough accuracy. default tip

2016-11-16, by kenjiArai [Wed, 16 Nov 2016 13:22:00 +0000] rev 0

Frequency counter program. Using GPS 1PPS signal. ; Frequency measurement range 0.01 Hz to Over 1.5GHz (F746 & F446) or 0.8GHz.; This is very simple way but enough accuracy.