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VRS51x580

Features: · 80C51/80C52 pin compatible· 12 clock periods per machine cycle· 32KB / 64KB on-chip Flash memory· 1024 Bytes on-chip data RAM· 36 I/O lines: P0-P3 = 8-bit, P4 = 4-bit· 5-Channel PWM on P1.3 to P1.7· Full duplex serial port (UART)· Three 16-bit Timers/Counters· Watch Dog Timer· 8-bit Un...

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SeekIC No. : 004543163 Detail

VRS51x580: Features: · 80C51/80C52 pin compatible· 12 clock periods per machine cycle· 32KB / 64KB on-chip Flash memory· 1024 Bytes on-chip data RAM· 36 I/O lines: P0-P3 = 8-bit, P4 = 4-bit· 5-Channel PWM on P...

VRS51x580 Data Sheet

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Part Number:
VRS51x580
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· 80C51/80C52 pin compatible
· 12 clock periods per machine cycle
· 32KB / 64KB on-chip Flash memory
· 1024 Bytes on-chip data RAM
· 36 I/O lines: P0-P3 = 8-bit, P4 = 4-bit
· 5-Channel PWM on P1.3 to P1.7
· Full duplex serial port (UART)
· Three 16-bit Timers/Counters
· Watch Dog 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 VRS51x570 and the VRS51x580 are low cost 8-bit microcontrollers based on the standard 80C51 microcontroller family architecture. They are pin compatible and drop-in replacements for most 8051 MCUs. Ideal for a wide range of applications requiring large amounts of program/data memory, coupled with comprehensive peripheral support, the VRS51x570/580 devices include 32KB/64KB of Flash memory, respectively, and 1KB of SRAM, 5 PWM output channels, a UART, three 16-bit timers, a Watch Dog timer and power down features.

These devices VRS51x580 also include a fifth, 4-bit, I/O port mapped into the "no connect" pins of the standard 8051/52 package. This provides a total of 36 I/Os while maintaining compatibility with standard 80C51/52 pin outs.

The VRS51x570 and VRS51x580 are available in PLCC-44, QFP-44 and DIP-40 packages in the Industrial temperature range. The Flash memory can be programmed using programmers from Ramtron or other 3rd party commercial programmer suppliers.




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