Firmware versions in Keyboard and mouse reference designs

Question: Both CY4636 and CY4672 are Cypress Keyboard mouse reference designs. What is the difference between CY4636 and CY4672?



CY4636 uses firmware version 1.x and CY4672 uses version 2.1. The protocol 2.1 has more enhanced features compared to 1.x. Refer to the application notes AN18059 for more information