In the Device Data Sheet (DS39755 B), the following clarifications and corrections should be noted. Any sili- con issues related to the PIC18F2423/2523/4423/4523 family of devices will be reported in a separate silicon errata. Please check the Microchip web site for any existing issues. PIC18F2423/2523/4423/4523 PIC18F2423/2523/4423/4523 Data Sheet Errata In the Device Data Sheet (DS39755B), the following clarifications and corrections should be noted. Any sili- con issues related to the PIC18F2423/2523/4423/4523 family of devices will be reported in a separate silicon errata. Please check the Microchip web site for any existing issues. 1. Module: EUSART Since the last revision of the Device Data Sheet, the EUSART module of the PIC18F2423/2523/ 4423/4523 family of devices has been revised to add new functionality. These changes are: The bit, BAUDCON, previously unimple- mented, is now implemented with the name RXDTP. Its function is to select the active polarity of the RX/DT pin. ……