Serial Comms and Bootloader Questions

For engine experimenters, the MicroSquirt® PCB is offered in a module format with enhanced capabilities to be plugged into other boards. This is the place to discuss the MicroSquirt Module.
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wes kiser
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Joined: Tue Jan 03, 2006 1:49 pm
Location: Charlotte, NC

Serial Comms and Bootloader Questions

Post by wes kiser »

Is the ground for these circuits the "signal ground" or high current ground(s). The schematics just show ground.
2.3t Swapped RX-7, s200g turbo, ms3 sequential, LS2coils
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Bruce Bowling
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Joined: Mon Feb 16, 2004 4:25 pm
Location: Baltimore, MD

Re: Serial Comms and Bootloader Questions

Post by Bruce Bowling »

wes kiser wrote:Is the ground for these circuits the "signal ground" or high current ground(s). The schematics just show ground.
The bootloader ground is the "signal ground" side. The serial ground pin goes directly back to the MAX3221 chip, which is also on the signal-side ground.

- Bruce
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