The PIC16F871/870 Rev. A1 parts you have received
conform functionally to the Device Data Sheet
(DS30569 A), except for the anomalies described
below.
All the problems listed here will be addressed in future
revisions of the PIC16F871/870 silicon. PIC16F870/871
PIC16F870/871 Rev. A1 Silicon Errata Sheet
The PIC16F871/870 Rev. A1 parts you have received 3. Module: Timer1
conform functionally to the Device Data Sheet
(DS30569A), except for the anomalies described When Timer1 is running in Asynchronous mode
below. and then disabled, data in the Timer1 register
(TMR1) may become corrupted. Corruption occurs
All the problems listed here will be addressed in future
when the timer enable is turned off at the same
revisions of the PIC16F871/870 silicon.
……
