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Cypress CP5609AMT

I would like to modify a dead mouse into a LED power. The chip would not activate the LED input until the PC boots into Window$.

Could I short a few pins on the CP5609AMT to skip the detection of Window$ and instantly turns on the LED input?

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Man-wai Chang
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On Sun, 06 Mar 2011 15:55:06 +0800, Man-wai Chang put finger to keyboard and composed:

FWIW, this obsolescence document advises that the CP5609AMT and CP5605AM devices have been replaced by the CY7C63613-SC:

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CY7C63411/12/13, CY7C63511/12/13, CY7C63612/13 Low-speed USB Peripheral Controller:

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My cursory examination of the document would suggest that the microcontroller may be waiting for a command over the USB interface before it activates the LED. Otherwise one of the GPIO pins may have the desired function, but this would be implemented in the firmware by the designer of the mouse.

- Franc Zabkar

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Reply to
Franc Zabkar

Have you ever used an optical mouse? Ever notice how the LED gets brighter when you move the mouse? It sounds like what you want to do is dangerous. If you have the LED on at full brightness all the time, then it will overheat and catch the mouse on fire.

Reply to
Sitre Josephenne Magana

Good point! I haven't thought about that.

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Man-wai Chang

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