Template talk:Syscon pinout LQFP 128 pins: Difference between revisions
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== Bluray Drive, disc presence detector == | == Bluray Drive, disc presence detector == | ||
There are 2 syscon pins dedicated to detect the disc presence. One of pins powers a IR-LED (emitter), and the other pin is connected to a photo-transistor (receiver)<br> | There are 2 syscon pins dedicated to detect the disc presence. One of pins powers a IR-LED (emitter), and the other pin is connected to a photo-transistor (receiver), both aligned with each other<br> | ||
When the disc | When the disc interrupts the light beam a control signal is sent to syscon in the receiver pin. See [[BL2-001]] notes | ||
Revision as of 21:19, 8 March 2022
Bluray Drive, disc presence detector
There are 2 syscon pins dedicated to detect the disc presence. One of pins powers a IR-LED (emitter), and the other pin is connected to a photo-transistor (receiver), both aligned with each other
When the disc interrupts the light beam a control signal is sent to syscon in the receiver pin. See BL2-001 notes