| PCALED(4) | Device Drivers Manual | PCALED(4) |
pcaled — Philips
PCA9532/PCA9552 GPIO LED dimmer
pcaled* at iic?
gpio* at pcaled?
The pcaled driver provides support for the
Philips PCA9532 and PCA9552 GPIO controllers which are specifically
optimized to dim LEDs in 256 discrete steps.
The pcaled driver first appeared in
OpenBSD 4.0.
The pcaled driver was written by
Dale Rahn
<drahn@openbsd.org>.
| July 16, 2013 | OpenBSD-current |