Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

Product codes
AT91SAM9N12-EK
Page of 1104
140
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
16.
Periodic Interval Timer (PIT)
16.1
Description
The Periodic Interval Timer (PIT) provides the operating system’s scheduler interrupt. It is designed to offer maximum
accuracy and efficient management, even for systems with long response time.
16.2
Embedded Characteristics
20-bit Programmable Counter plus 12-bit Interval Counter
Reset-on-read Feature
Both Counters Work on Master Clock/16 
AMBA
-compliant Interface 
Interfaces to the ARM
®
 Advanced Peripheral Bus