divider is limited to 3 < div < 901 while AN619 and AN1234 state a range of 8+1/xxx to 2048

[thefloe1]

Adafruit_Si5351_Library/Adafruit_SI5351.cpp

Line 401 in f0e1b4a

 ASSERT(div > 3, ERROR_INVALIDPARAMETER);          /* Divider integer value */ 

divider is limited to 3 < div < 901 while AN619 and AN1234 state a range of 8+1/xxx to 2048

[sx107]

Not exactly. AN619. page 2:

Valid Multisynth divider ratios are 4, 6, 8, and any fractional value between 8 + 1/1,048,575 and 2048.

Multisynth integer divisor can be less than 8: 4 or 6. In my experience, 4 or 6 works if the fractional part is set to 0/1, regardless of the multisynth working in fractional or integer mode.

[thefloe1]

right, sorry marked the wrong line here. Should have been line 402 and the upper limit is the main concern:

Adafruit_Si5351_Library/Adafruit_SI5351.cpp

Line 402 in f0e1b4a

 ASSERT(div < 901, ERROR_INVALIDPARAMETER);        /* Divider integer value */ 

[Carter Nelson]

Related:
adafruit/Adafruit_CircuitPython_SI5351#18

[thefloe1]

I created a pull request to change the upper limit to 2048

[stoltzmr]

Hi Team, how can this update also be applied to Arduino Library? It has been updated in Raspberry Pi library v 1.2.7.

[Limor "Ladyada" Fried]

you can test this PR
https://github.com/adafruit/Adafruit_Si5351_Library/pull/10/files

[stoltzmr]

This works! Thanks so much @ladyada