Anonymous
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Mar 28, 2018
03:20 AM
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Mar 28, 2018
03:20 AM
I am using PSOC 4100S and its mounted on my PCB with an LED driver connected to the controller. The DC to DC converter on board is powering the controller. is there anyway by which i can deactivate the micro controller on board without disconnecting the VCC line. I tried connecting the XRES pin to ground but the controller is still active and sending signals to LED driver.
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PSoC 4 Architecture
2 Replies
Anonymous
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Mar 28, 2018
08:57 AM
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Mar 28, 2018
08:57 AM
Pulling the XRES pin to GND should reset/hold the unit in reset. It may end up only resetting it once.
Otherwise, you will need to use software commands or the VCC disconnection to power off the chip I would think.
Mar 28, 2018
10:08 AM
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Mar 28, 2018
10:08 AM
In your project, after writing to LED driver (or whenever you want), try calling CySysPmStop() function to put the PSoC 4 into Stop state. See if that helps.