The PIC18F2455/2550/4455/4550 parts you have received conform functionally to the Device Data Sheet (DS39632 D), except for the anomalies described below. Any Data Sheet Clarification issues related to the PIC18F2455/2550/4455/4550 will be reported in a separate Data Sheet errata. Please check the Microchip web site for any existing issues. The following silicon errata apply only to PIC18F2455/2550/4455/4550 devices with these Device/Revision IDs: PIC18F2455/2550/4455/4550 PIC18F2455/2550/4455/4550 Rev. A3 Silicon Errata The PIC18F2455/2550/4455/4550 parts you have 2. Module: Timer1/Timer3 received conform functionally to the Device Data Sheet (DS39632D), except for the anomalies described When Timer1/Timer3 is operating in 16-bit mode below. Any Data Sheet Clarification issues related to and the prescale setting is not 1:1, a write to the the PIC18F2455/2550/4455/4550 will be reported in a TMR1H/TMR3H Buffer registers may lengthen the separate Data Sheet errata. Please check the duration of the period between the increments of Microchip web site for any existing issues. the timer for the period in which……