# Changelog ## [1.0.0] ### Changed - Changed default initialization state for OC and IO pins to `0xFF` (High-Z/Input mode) to prevent accidental low-level output on startup. ## [0.0.1] ### Added - Initial release of CH422 driver component. - Support for IO extension mode (A_SCAN=0). - Support for 4 OC pins and 8 IO pins. - Test application with binary display for IO inputs.