8051 is the only processor core which is widely accepted and used. 8051 was in past, still used in today and will be used tomorrow. 8051 architecture was originally developed by intel co. in 1980. and now a days more then 20 manufacturer make chip around 8051 core. Some of them are ATMEL, NXP, Maxim etc.
8051 core has following characteristics.
8051 core has following characteristics.
| • | 8-bit data bus - It can access 8 bits of data in one operation (hence it is an 8-bit microcontroller) |
| • | 16-bit address bus - It can access 216 memory locations - 64 kB each of RAM and ROM |
| • | On-chip RAM - 128 bytes to 256 bytes |
| • | On-chip ROM - 4 kB to 64 kB |
| • | 32 bi-directional input/output lines |
8051 DEVELOPMENT TOOLS
| COMPANY / ORGANIZATION | LICENSE | DESCRIPTION | EMBEDDEDCRAFT LINK | DOWNLOAD |
| SDCC | FREE/GPL |
Small Device C Compiler support 8051, motorola 68HC08 processor. |
FREE 8051 DEVELOPMENT TOOLS | COMPLETE / FULL |
| PROPRIETARY |
KEIL provide development tool for 8051 microcontroller. KEIL famous ide is uVision IDE. KEIL also provide development tools for ARM |
How to work with KEIL Tools |
EVALUATION | |
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PROPRIETARY | IAR provide development tools not only for 8051 but for AVR, ARM, MSP430, ColdFire etc. Visit IAR site for complete detail. |
IAR WORKBENCH PART 1 IAR WORKBENCH PART 2 IAR WORKBENCH PART 3 |
EVALUATION / KICKSTART (4KB FREE LIFE PERIOD) |
RTOS FOR 8051
| COMPANY / ORGANIZATION | LICENSE | DESCRIPTION | DOWNLOAD |
| FREE/GNU |
Portable open source real time kernel. |
COMPLETE / FULL | |
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RTX51 |
PROPRIETARY |
RTOS kernel, It occupy up to 900 bytes in memory. Royalty free RTX51 is priority based preemptive kernel. |
EVALUATION |
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Salvo |
PROPRIETARY |
Real time kernel for small systems |
EVALUATION |
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KR-51 |
PROPRIETARY | KR-51 is also availabe in lite version for free. RTOS support upto 125 tasks. Free version support upto 8 tasks. This is non preemptive kernel. | EVALUATION |
8051
DEVELOPMENT BOARD
DEVELOPMENT BOARD
64 KB Flash Memory
2KB Serial EEPROM
Serially Programmable
2KB Serial EEPROM
Serially Programmable
Click on Image to enlarge
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| • | UART |
| • | Two 16-bit Counter/timers |
| • | Power saving mode |
| • | Two external interrupt |
| • | Frequency 40 Khz |
8051 DEVELOPMENT BOARDS
| COMPANY / ORGANIZATION | MANUFACTURER | DESCRIPTION |
|
IMBUENT 8051 DEVELOPMENT BOARD |
The 8051 board incorporates a P89V51RD2xx NXP Microcontroller with 64k of In-System Flash Memory. This board has so many basic Interfaces which helps you for quick and easy development |
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MCBx51 Evaluation Board |
The Keil MCBx51 single-board computer is an evaluation board that supports numerous 8051-compatible and 251-compatible devices. The MCBx51 allows you to investigate the capabilities of the 8051 and 251 and create real working programs with the Keil development tools. |
8051 ARTICLES / PRESENTATIONS / TUTORIAL
| DESCRIPTION | LINK | TYPE |
| Free Development Toolchain for 8051 | CLICK HERE | HTML |
| Interrupt Programming for 8051 | CLICK HERE | HTML |
| 8051 Programming: Interfacing LCD in 4 bit mode | CLICK HERE | HTML |
| 8051 Programming: Interfacing via Serial Port | CLICK HERE | HTML |
| Stepper Interfacing with Microcontroller | CLICK HERE | HTML |
| USE OF IAR WORKBENCH PART 1 | CLICK HERE | |
| USE OF IAR WORKBENCH PART 2 | CLICK HERE | |
| USE OF IAR WORKBENCH PART 3 | CLICK HERE | |
| Setup KEIL Development Tools for 8051 | CLICK HERE | HTML |
| Microcontroller Isp Programmer For AT89S51/52 / AVR | CLICK HERE | HTML |
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