upper limits of analogWriteFrequency on 4.0, and LC? (aiming for 10-15MHZ)

[Oddball]

working on a video signal generator project, and since my scope doesn't read that high, I don't know if I'm outputting the signals I'm aiming for. That being said, is there an upper limit for analogWriteFrequency on the 4.0 and the LC? I figured id get a better chance with the 600mhz 4.0 than i would with the LC that I have. but I don't know and I can't test. thanks folks!

 

[defragster]

See this table : PWM Resolution (Teensy LC, 3.0 - 3.6, 4.0, 4.1)

 

[manitou]

max PWM:
LC 24 mhz
Teensy3* F_BUS/2, e.g., 30 mhz (T3.6 pins 16, 17, TPM@16mhz. PWM 8mhz)
Teensy4 IPG clock/2 150mhz/2 = 75 mhz

 

[Oddball]

so where does the pwm drop from a max of 255 to 127? I see the 585937.5 and 1171875 but I would think that those frequencies are in the middle of their respective ranges not at top and bottom. is that correct?