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VRS51x540

Features: · 80C51/80C52 pin compatible· 12 clock periods per machine cycle· 4KB on-chip Flash memory· 128 bytes on-chip data RAM· 32 I/O lines: P0-P3 = 8-bit· Full duplex serial port (UART)· 3, 16-bit Timers/Counters· Watchdog Timer· 8-bit Unsigned Division / Multiply· BCD arithmetic· Direct and I...

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SeekIC No. : 004543159 Detail

VRS51x540: Features: · 80C51/80C52 pin compatible· 12 clock periods per machine cycle· 4KB on-chip Flash memory· 128 bytes on-chip data RAM· 32 I/O lines: P0-P3 = 8-bit· Full duplex serial port (UART)· 3, 16-b...

VRS51x540 Data Sheet

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Part Number:
VRS51x540
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/24

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Product Details

Description



Features:

· 80C51/80C52 pin compatible
· 12 clock periods per machine cycle
· 4KB on-chip Flash memory
· 128 bytes on-chip data RAM
· 32 I/O lines: P0-P3 = 8-bit
· Full duplex serial port (UART)
· 3, 16-bit Timers/Counters
· Watchdog Timer
· 8-bit Unsigned Division / Multiply
· BCD arithmetic
· Direct and Indirect Addressing
· Two levels of interrupt priority and nested interrupts
· Power saving modes
· Code protection function
· Operates at a clock frequency of up to 40MHz
· Low EMI (inhibit ALE)
· Programming voltage: 12V
· Industrial Temperature range (-40°C to +85°C)
· 5V and 3V versions available (see ordering information.)


Pinout

Connection Diagram


Description

The VRS51x540 is a low cost 8-bit microcontroller based on the standard 80C51 microcontroller family architecture.

It is pin compatible and is a drop-in replacement for standard 8051 MCUs Aimed at cost effective applications requiring small amounts of program/data memory coupled with streamlined peripheral support, the VRS51x540 includes 4KB of Flash memory, 128 bytes of RAM a UART, three 16-bit timers, a Watchdog timer and power down features.

The VRS51x540 is available in 5 (VRS51C540) and 3.3 (VRS51L540) volt versions in PLCC-44, QFP-44 and DIP-40 packages. The VRS51x540 devices operate over the entire industrial temperature range. The Flash memory can be programmed using programmers available from Ramtron or other 3rd party commercial programmers.




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