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5108: make ADC-Repeaters-EEM path unidirectional

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The only signal that enters the ADC through the repeaters is the SPI clock.
It is only a state/time reference, no meaning info goes through this path.
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occheung 2022-01-31 16:39:20 +08:00
parent 7ea24e32e9
commit 389b97d9e4
1 changed files with 3 additions and 2 deletions
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5108.tex
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@ -227,7 +227,8 @@ However, the sample rate in practice is typically limited by the use of ARTIQ-Py
% Also, that MISO line does not do anything useful. The ARTIQ driver implementation is just a huge data integrity check.
\draw [-latexslim] (6, 1.2) -- (5, 1.2);
\draw [-latexslim] (6, 0.8) -- (5.5, 0.8) -- (5.5, -0.8) -- (5, -0.8);
\draw [latexslim-latexslim] (5, -1.2) -- (6, -1.2);
% Data comes out of the ADC, the only signal that goes in is the clock
\draw [-latexslim] (5, -1.2) -- (6, -1.2);
% Draw EEPROMs
\draw (6, 2.35) node[twoportshape,t={EEPROM}, circuitikz/bipoles/twoport/width=1.4, scale=0.6] (eeprom0) {};
@ -242,7 +243,7 @@ However, the sample rate in practice is typically limited by the use of ARTIQ-Py
\draw [latexslim-latexslim] (eeprom1.north) -- (7.6, -2.6);
% Connect EEM Port 0
\draw [latexslim-latexslim] (6.6, -0.8) -- (7.1, -0.8) -- (7.1, 0.8) -- (7.6, 0.8);
\draw [-latexslim] (6.6, -0.8) -- (7.1, -0.8) -- (7.1, 0.8) -- (7.6, 0.8);
\draw [latexslim-] (6.6, 1.2) -- (7.6, 1.2);
\draw [latexslim-latexslim] (eeprom0.east) -- (7.6, 2.35);