The PIC16F87X (Rev. B5) parts you have received
conform functionally to the Device Data Sheet
(DS30292A), except for the anomalies described
below.
All the problems listed here will be addressed in future
revisions of the PIC16F87X silicon.
This errata applies to the PIC16F877-20/P production
version with an assembly date code of 9925 or greater
and all other production versions of the PIC16F87X
family. PIC16F87X
PIC16F87X Rev. B5 Silicon Errata Sheet
The PIC16F87X (Rev. B5) parts you have received 3. Module: TMR1
conform functionally to the Device Data Sheet When operating in external clock mode (TMR1CS
(DS30292A), except for the anomalies described is set), reading either of the timer 1 registers
below. (TMR1H or TMR1L) may cause the timer not to
All the problems listed here will be addressed in future increment as expected. This occurs for both syn-
revisions of the PIC16F87X silicon. chronous and ……
