Template talk:Syscon pinout LQFP 128 pins: Difference between revisions
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== 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 photot-ransistor (receiver)<br> | |||
When the disc crosses them interrupts the light beam and the signal is returned back to syscon. See [[BL2-001]] notes | |||
Revision as of 22:12, 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 photot-ransistor (receiver)
When the disc crosses them interrupts the light beam and the signal is returned back to syscon. See BL2-001 notes