Hi Isaac All of the software tools and drivers originally developed to support the LM9833 device are obsolete and not supported on current versions of the Windows OS. For that reason and the age of the device I discourage adoption of this device for your new design. Those circles indicate added default connection wires that can be added on the circuit board design after other layout is complete. See the note in the circle at lower right which states: "Note: After PCB layoutis complete, add default jumpers across header pins on bottom of board. When laying out board, make sure you don't route through adjacent pins on bottom layer Default jumper" I have attached the BOM. /cfs-file/__key/communityserver-discussions-components-files/239/LM9833-BOM-ROHS-_2D00_-Public.xls There aren't any standard chipsets to accomplish what you are looking for. Each application is somewhat different and customers develop their own solution for motor and lamp control and data processing. Best regards, Jim B
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