参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 152/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
310
RTICLK
310
External
control
CAP eventsource0
CAP eventsource1
=
Upcounter
Capture
upcounter
Compare
upcounter
Freerunningcounter
Capture
RTIFRCx
freerunningcounter
RTICAFRCx
OVLINTx
RTICPUCx
RTIUCx
RTICAUCx
ToCompare
Unit
NTU0
NTU1
NTU2
NTU3
SPNS174
– SEPTEMBER 2011
4.17 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.
4.17.1 Features
The RTI module has the following features:
Two independent 64 bit counter blocks
Four configurable compares for generating operating system ticks or DMA requests. 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
4.17.2 Block Diagrams
Figure 4-17 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 except the Network Time Unit (NTUx) inputs are only
available as time base inputs for the counter block 0.
Figure 4-17. Counter Block Diagram
Copyright
2011, Texas Instruments Incorporated
System Information and Electrical Specifications
97
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