TMS570LS0232PZ datasheet(57/109 Pages) TI1

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TMS570LS0232

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SPNS242A – OCTOBER 2014 – REVISED JUNE 2015

6.16 Real-Time Interrupt Module

The real-time interrupt (RTI) module provides timer functionality for operating systems and for

benchmarking code. The RTI module can incorporate several counters that define the timebases needed

for scheduling an operating system.

The timers also allow you to benchmark certain areas of code by reading the values of the counters at the

beginning and the end of the desired code range and calculating the difference between the values.

6.16.1 Features

The RTI module has the following features:

•

Two independent 64 bit counter blocks

•

Four configurable compares for generating operating system ticks. Each event can be driven by either

counter block 0 or counter block 1.

•

Fast enabling/disabling of events

•

Two time-stamp (capture) functions for system or peripheral interrupts, one for each counter block

6.16.2 Block Diagrams

Figure 6-11 shows a high-level block diagram for one of the two 64-bit counter blocks inside the RTI

module. Both the counter blocks are identical.

Figure 6-11. Counter Block Diagram

System Information and Electrical Specifications

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