參數(shù)資料
型號: XRM48L950PGET
廠商: Texas Instruments
文件頁數(shù): 5/176頁
文件大?。?/td> 0K
描述: MCU 16/32Bit FLASH 3MB 144LQFP
標準包裝: 1
系列: Hercules™ ARM® RM4x
應(yīng)用: 工業(yè)安全,醫(yī)療
核心處理器: ARM? Cortex? - R4F
程序存儲器類型: 閃存(3MB)
控制器系列: RM4
RAM 容量: 256K x 8
接口: CAN,以太網(wǎng),I²C,LIN,MibSPI,SCI,SPI,USB
輸入/輸出數(shù): 64
電源電壓: 1.14 V ~ 3.6 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
包裝: 托盤
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
其它名稱: 296-29389
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
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
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
102
System Information and Electrical Specifications
Copyright 2012–2013, Texas Instruments Incorporated
Product Folder Links: RM48L950 RM48L750 RM48L550
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