Some friends may see this article will dismissively say: 8051 has long been eliminated, and now is the world of STM32/8, MSP430, can not deny the strength of STM, MSP, but 8051 is still the most used micro Controller, just because of the classic!
I believe that as long as the 8051 microcontroller is mentioned in the industry, no one knows no matter whether you are a senior industry leader or a graduate who has just stepped into the electronics industry. The same answer is given to the 8051 microcontroller: classic, sincere Give a compliment!
With Atmel's wide range of 8-bit microcontrollers based on the 8051 instruction set, we ensure that our 8051 design is excellent. So whether engineers are using traditional, existing or new designs, you get the latest features and functionality, while the product offers flash memory from 2KB to 64KB in all sizes...
NO.1: AT89LP Series Flash ISP - Single-Cycle Core
The most popular AT89LP series takes the 8051 microcontroller to the next level, in the traditional 8051 CPU
These instructions require 12 clock cycles to execute, and these high-performance 8-bit microcontrollers can execute most instructions in a single clock cycle. Under the same MIPS throughput as the traditional 8051, existing applications can use lower clock frequencies and reduce power consumption by up to 80%. Application performance can be increased to 20 MIPS throughput, 12 times faster than traditional 8051 cores...
The main advantages are:
1, binary compatibility, existing 8051 products are easy to upgrade
2, single clock cycle to get each byte
3, enhanced power can save power
NO.2: Flash ISP (In-System Programmable) Series
High-performance flash 8051 microcontroller with in-system programming (ISP) capabilities. The integrated flash can be programmed in parallel or serial mode via parallel/ISP software, respectively.
They feature a variety of internal RAM configurations and a rich set of features. Some models feature an A/D converter, boot flash, and a programmable counter array. The efficient design of your product helps you reduce system power consumption.
Power consumption is further controlled by software-reduced active mode and an 8-bit clock prescaler.
Powerful and efficient, the 8051 Flash ISP microcontroller is ideal for applications that require A/D conversion, pulse width modulation, high speed I/O, and counting functions, such as industrial controls, consumer products, alarms, motor control, and more.
The main advantages are:
1, high performance and in-system programming, feature-rich
2. By reducing the clock frequency to any value or even as low as DC without losing data
3, high performance and in-system programming, feature-rich
NO.3: Flash - Reprogrammable
Atmel offers a variety of 8051 reprogrammable flash microcontrollers that support a wide range of embedded applications. The integrated design provides a rich and flexible feature set with low power consumption for increased efficiency.
For example, the AT89C4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of programmable flash and erasable read-only memory. The device is manufactured using Atmel's high-density, non-volatile memory technology and is compatible with the industry-standard MCS-51 instruction set.
The main advantages are:
1. Compatible with MCS®51 products, programmable Flash memory 4K bytes, 10,000 write/erase cycles
2, full static operation: 0 Hz to 24 MHz
3, two 16-bit timer / counter, 6 interrupt sources, programmable serial UART channel
NO.4: CAN network connection MCU
When introduced to the market in 1986, Controller Area Network (CAN) technology was initially used for automotive engine control communications. After that, it was quickly promoted and a large number of applications emerged, including medical equipment, avionics, factory and industrial automation, and the marine environment. Atmel is accurately positioned to support CAN network connectivity through a variety of 8051 microcontroller flash technologies and extensive CAN network connectivity experience.
NO.5: USB MCU
Designed for today's increasingly connected applications, the 8051 USB microcontroller offers powerful interface options for applications such as flash recorders, cameras and cell phones.
1. The AT89C5131A is the most popular device in this series, combining functionality and performance.
The biggest advantage: 32KB flash, 1.2KB RAM, 1K EEPROM, 7 USB endpoints, TWI, SPI, UART and Programmable Counter Array (PCA).
2. The AT89C5132 is a mass storage device that controls the exchange of data between various flash modules, HDDs, and CD-ROMs.
The biggest advantage: 64KB of flash memory for in-system programming via an embedded 4KB boot flash.
3. This versatile device provides all the necessary functions for a human-machine interface, including timers, keyboard ports, serial or parallel interfaces (USB, SPI, IDE), ADC inputs, I2S outputs, and all external memory interfaces (NAND or NOR flash, smart media, multimedia and data flash cards)
NO.6: Lighting MCU
The biggest features of the lighting MCU are: stable and reliable analog interface, intelligent power management.
The main advantages are:
1. Optimized for lighting control applications
2. All functions of the standard 80C51, including 4KB of program memory, 256 bytes of internal RAM, 7 source and 4 levels of interrupt system, on-chip oscillator and two timers/counters.
3. Contains a serial two-wire interface EEPROM in the same package as the microcontroller.
NO.7: ROMless MCU
Atmel offers a powerful ROMless 8051 microcontroller for existing ROM-free applications that require performance, flexibility and power.
The AT80C51RD2 has a microcontroller with all the features of the Atmel 80C52.
The main advantages are:
1. Contains 256 bytes of internal RAM, 7 source 4 level interrupt controllers and 3 timer/counters.
2. To enhance system performance, ROM-free microcontrollers have programmable counter arrays, 1024-byte RAM, hardware watchdog timers, and keyboard interfaces.
3. Multi-function serial channel with a simplified multiprocessor communication (EUART) and a speed increase mechanism (X2 mode)
At the time when other vendors gradually withdrew from the market, Atmel did not give up and was committed to further expanding the development path of the mature 8051 MCU. Most of the current 8051 is used by electronic enthusiasts DIY, some ordinary life occasions are still a large number of applications, so the application function of the 8051 is not inferior to STM, MSP...
With its ultra-high cost performance, the STM32/8 is equipped with ultra-convenient performance, while the 8051 is based on its low-key and unique temperament. It is not lacking in classic features, and it still has a negligible influence in the MCU industry. ~
Do not forget the initial heart, can always be ... heart and mind, there will be echoes...
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