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VRS51L3174

Ramtron Corporation
Part Number VRS51L3174
Manufacturer Ramtron Corporation
Description FRAM-Enhanced High Performance 8051 MCU
Published Aug 3, 2007
Detailed Description www.DataSheet4U.com VRS51L3174 Datasheet Rev 1.0 High-Performance 8051 MCU + 8KB FRAM Overview The VRS51L3174 is a hig...
Datasheet PDF File VRS51L3174 PDF File

VRS51L3174
VRS51L3174

Overview
www.
DataSheet4U.
com VRS51L3174 Datasheet Rev 1.
0 High-Performance 8051 MCU + 8KB FRAM Overview The VRS51L3174 is a high performance, 8051-based microcontroller coupled with a fully integrated array of peripherals for addressing a broad range of embedded design applications.
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.
Communication and control of external devices is facilitated via an assortment of digital peripherals such as an enhanced, fully configurable SPI bus, an I²C interface, dual UARTs with dedicated baud rate generators, three 16-bit timers, 8 PWM controllers each with a 16-bit timer, and 2 pulse width counter modules.
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.
FIGURE 1: VRS51L3174 FUNCTIONAL DIAGRAM Feature Set o o o o o o o o o o o o o o o o o o o o o 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) (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) 2 Fully Configurable I C Interface (Master/Slave) 16 External Interrupt Pin...


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