A deep dive into the clever barrel shifter design used in the Intel 80386 processor, explaining how it efficiently performs bitwise shifts and rotations. The article details the logic behind the shifter, its construction using multiplexers, and how it contributes to the 80386's performance.
One of the SX1509's coolest features is its built-in LED-driving support. Beyond digital or even PWM output, the SX1509 can also autonomously blink or breathe LEDs! Just tell it how long to blink, or how fast to rise/fall, and it'll do the rest for you.