The PIC18F2585/2680/4585/4680 Rev. B1 parts you have received conform functionally to the Device Data Sheet (DS39625C), except for the anomalies described below. Any Data Sheet Clarification issues related to the PIC18F2585/2680/4585/4680 will be reported in a separate Data Sheet errata. Please check the Microchip web site for any existing issues. PIC18F2585/2680/4585/4680 PIC18F2585/2680/4585/4680 Rev. B1 Silicon Errata The PIC18F2585/2680/4585/4680 Rev. B1 parts you 1. Module: Master Synchronous Serial Port have received conform functionally to the Device Data (MSSP) Sheet (DS39625C), except for the anomalies described below. Any Data Sheet Clarification issues The MSSP module when configured for I2C related to the PIC18F2585/2680/4585/4680 will be slave reception, in extremely rare cases, the data reported in a separate Data Sheet errata. Please check received may not be correct. This occurs only if the the Microchip web site for any existing issues. Serial Receive/Transmit Buffer Register ……