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DS87C520 Datasheet PDF

Part Series:
DS87C520 Series
Category:
Microcontrollers
Description:
8Bit Microcontroller, 8051, 33MHz, 16KB, 1KB, 40Pins, DIP
Updated Time: 2023/01/13 03:10:13 (UTC + 8)

DS87C520 Microcontrollers Datasheet PDF

DS87C520 Datasheet PDF Microcontrollers

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EPROM/ROM high-speed micro, 80C52-compatible, 256Bytes scratchpad RAM, 16KB program memory, 1KB extra on-chip SRAM for MOVX, 33MHz

DS87C520-MCL+ - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
40 Pin
Supply Voltage (DC)
5.00 V, 5.50 V (max)
Case/Package
DIP-40
Number of Positions
40 Position
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DS87C520-MCL+ - Maxim Integrated Function Overview

The DS87C520-MCL+ is an EPROM/ROM high speed microcontroller in 40 pin DIP package. It is a fast 8051 compatible microcontroller. It features a redesigned processor core without wasted clock and memory cycles. As a result, the devices execute every 8051 instruction between 1.5 and 3 times faster than the original for the same crystal speed. The DS87C520 offer a maximum crystal speed of 33MHz resulting in apparent execution speeds of 82.5MHz (approximately 2.5X). It includes three timer/counters, serial port and four 8-bit I/O ports. It feature 16kB of EPROM or mask ROM with an extra 1kB of data RAM. It includes a second full hardware serial port, seven additional interrupts, programmable watchdog timer, brownout monitor and power-fail reset. The device also provides dual data pointers (DPTRs) to speed block data memory moves. It also can adjust the speed of MOVX data memory access from two to nine machine cycles for flexibility in selecting external memory and peripherals.
Supply voltage range is 4.5V to 5.5V
4 clocks/machine cycle
Operating temperature range from 0°C to 70°C
256bytes scratchpad RAM
Single cycle instruction in 121ns
High integration controller
13 total interrupt sources with six external interrupts
Programmable clock source to save power
Provides automatic hardware and software exit
EMI reduction mode disables ALE
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