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VRS51L3174

更新时间： 2024-09-25 03:19:03
品牌 Logo 应用领域
铁电 - RAMTRON 微控制器
页数 文件大小 规格书
1页 161K
描述
FRAM Enhanced High Performance 8051 MCU

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中文翻译

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VRS51L3174 数据手册

  
VRS51L3174  
Rev 1.0  
Technical Brief  
FRAM Enhanced High Performance 8051 MCU  
Overview  
Feature Set  
The VRS51L3174 is  
microcontroller coupled with a fully integrated array of peripherals  
for addressing a broad range of embedded design applications.  
a
high performance, 8051-based  
o
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8051 High Performance Single Cycle Processor  
(Operation up to 40 MIPS)  
64KB Flash Program Memory  
(In-System/ln-Application Programmable)  
4352 Bytes of SRAM (4KB + 256)  
Based on a powerful 40-MIPS, single-cycle, 8051 microprocessor,  
the VRS51L3174’s memory sub-system features 64KB of Flash  
and 4352 bytes of SRAM and 8192 bytes of nonvolatile FRAM  
(ferroelectric random access memory) memory.  
Support peripherals include a hardware based arithmetic unit  
capable of performing complex mathematical operations, a JTAG  
interface for Flash programming and non-intrusive in-circuit  
debugging/emulation, an internal oscillator, and a watchdog timer.  
(Ext. 4KB can be used for program or data memory)  
8192 Bytes of on-chip FRAM memory  
JTAG Interface for Flash Programming and Non-Intrusive  
Debugging/In-Circuit Emulation  
MULT/DIV/ACCU Unit including Barrel Shifter  
40 General Purpose I/Os  
2 Serial UARTs/2 Baud Rate Generators (20-bit resolution)  
Enhanced SPI Interface (fully configurable word size)  
Fully Configurable I2C Interface (Master/Slave)  
16 External Interrupt Pins/Interrupt On Port Pin Change  
16-bit General Purpose Timer/Counters  
2 Pulse Width Counter Modules  
8 PWM Controller Outputs with Individual Timers  
PWMs can be used as General Purpose Timers  
Internal Oscillator  
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Communication and control of external devices is facilitated via an  
assortment of digital peripherals such as an enhanced, fully  
configurable SPI bus, an I²C  
dedicated baud rate generators, three 16-bit timers,  
controllers each with a 16-bit timer, and 2 pulse width counter  
modules.  
interface, dual UARTs with  
PWM  
8
The VRS51L3174 operates from 3.0 to 3.6 volts over the  
industrial temperature range and is available in a QFP-44  
package. The device features an active-low reset and is pin-  
compatible with an industry standard 8051 microcontroller  
footprint.  
Dynamic System Clock Frequency Adjustment  
Power Saving Features  
Power-On Reset/Brown-Out Detect  
Watchdog Timer  
Operating voltage: 3.0V to 3.6V  
FIGURE 1: VRS51L3174 FUNCTIONAL DIAGRAM  
Operating Temperature -40°C to +85°C  
FIGURE 2: VRS51L3174 QFP-44  
Ramtron International Corporation  
1850 Ramtron Drive Colorado Springs  
Colorado, USA, 80921  
http://www.ramtron.com  
mcuinfo@ramtron.com  
1-800-545-FRAM, 1-719-481-7000  
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