AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 63

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

Periodic Interval Timer (PIT)
Overview
Block Diagram
Figure 24. Periodic Interval Timer
6071A–ATARM–28-Oct-04
Prescaler
MCK
MCK/16
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.
0
Counter
CPIV
CPIV
20-bit
0
1
PIT_PIVR
PIT_PIIR
PIT_MR
= ?
PIV
AT91SAM7S32 Preliminary
0
0
PICNT
Adder
12-bit
PICNT
1
PIT_SR
read PIT_PIVR
PITS
set
reset
PITIEN
PIT_MR
pit_irq
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