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Old 20th June 2018, 02:29 PM   #721
Russ White is offline Russ White  United States
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Just a note - we have recently updated Cronus to version 1.4 (available now). It now includes and optional inverting of the buffered clock that goes out to the Hermes modules. This give the builder some flexibility on timing - inverting that clock can make edges align better at the FF with certain sources - like the Hermes-RPI - which is currently in testing.

So in 1.4 you will observe one more jumper that simply selects inverted on non-inverted Hermes output clock. Of course at the final output (same clock that feeds the FF) the signal is not inverted - and so all of the signals are aligned to the actual master clock.

Cheers!
Russ
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Old 23rd June 2018, 05:11 AM   #722
mcluxun is offline mcluxun  United States
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Is there a good place to get 3.3v for logic from cronus?
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Old 15th July 2018, 04:28 PM   #723
sbelyo is offline sbelyo  United States
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I'm assembling my chronos (v 1.1) and will be using a stereo BIII SE Pro 28 and an Amanero. Am I correct in thinking that I only populate R5, R6 and R7 with the supplied 33 ohm resistors?

And for the divider I short J1:2 for 45.1584MHz / 49.152MHz Rhea Module combo correct? What crystal goes in X1 vs X2?
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Old 15th July 2018, 07:38 PM   #724
barrows is offline barrows
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Default yes...

Quote:
Originally Posted by sbelyo View Post
I'm assembling my chronos (v 1.1) and will be using a stereo BIII SE Pro 28 and an Amanero. Am I correct in thinking that I only populate R5, R6 and R7 with the supplied 33 ohm resistors?

And for the divider I short J1:2 for 45.1584MHz / 49.152MHz Rhea Module combo correct? What crystal goes in X1 vs X2?
I just place all the resistors, mostly to have it look nice! With Amanero, yes, you want use the 1:2 clock divider with the 45.x and 49.x clocks. I would place the pin header though, just for future flexibility.
X-1 is the slower clock family, so in your case the 45.x goes there.
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