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Overview
Reference documents for the 8051 Architecture. If you cannot find what you are looking for, please contact us at mcu@atmel.com.
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Documentation
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| ASMB51.EXE | Software Libraries and Firmware | Download | ||
| API Program Examples for Standard C51 Flash Products | Code Examples | Download | ||
| API Program Examples for C51 USB Flash Products | Code Examples | Download | ||
| Code Examples for AT89C51XX ADC (10 bits) | Code Examples | Download | ||
| C Flash Drivers for the AT89C51CC03U and AT89C51AC3 for Keil Compiler v1.0.0 | Software Libraries and Firmware | Download | ||
| C Flash Drivers for the AT89C51CC03C for Keil Compiler v1.0.0 | Software Libraries and Firmware | Download | ||
| BIN2HEX.EXE | Software Libraries and Firmware | Download | ||
| Atmel OCD51 Add On to Keil uVision | Software Libraries and Firmware | Download | ||
| Code Examples for AT89C51XX ADC (8 bits) | Code Examples | Download | ||
| Code Examples for 8051 CAN | Code Examples | Download | ||
| C Flash Drivers for the AT89C51RD2/ED2/ID2 for Keil Compiler rev 1.0.0 | Software Libraries and Firmware | Download | ||
| Example 8051 Timer0 in Mode 2 with Hard Gated Counters | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 1 with Soft Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 0 with Soft Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 0 with Soft Gated Counters | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 0 with Hard Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 0 with Hard Gated Counters | Code Examples | Download | ||
| Example 8051 SPI without Master Mode (SS pin unused) | Code Examples | Download | ||
| Example 8051 SPI with Slave Mode (SS pin used) | Code Examples | Download | ||
| Example 8051 SPI with Master Mode (SS pin used) | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 2 with Soft Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 2 with Soft Gated Counters | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 2 with Hard Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 1 with Soft Gated Counters | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 1 with Hard Gated Timer | Code Examples | Download | ||
| Example 8051 Timer0 in Mode 1 with Hard Gated Counters | Code Examples | Download | ||
| Example 8051 SPI without Slave Mode (SS pin unused) | Code Examples | Download | ||
| Program Examples for 8051 Keyboard | Code Examples | Download | ||
| AT89ISP_Update3.3 | Software Libraries and Firmware | Download | ||
| AT89C51CC03 CAN Bootloader v1.0.4 | Software Libraries and Firmware | Download | ||
| AT89C5131 USB Flash API Drivers 1.0.5 | Software Libraries and Firmware | Download | ||
| AT89C5132 USB Bootloader v1.6.2 | Software Libraries and Firmware | Download | ||
| AN_3310 Source Code - This application note describes usage of the AT89ISP in-system programming cable product. | Application Notes | Download | ||
| AN_4290 Source Code - This application note describes a way to implement the enumeration process on AT8xC5131/32/22 and AT8xC51SND1 products. | Application Notes | Download | ||
| AT89C51SND1 Programming Trouble With Parallel Device Programmers | Miscellaneous | Download | ||
| Song Quality Improvement Using the DAC on AT89C51SND1 Reference Design | Supporting Collateral | Download | ||
| High Speed USB Design Guidelines for AT85C51SND3 | Application Notes | Link | Download | |
| AVR537: Migrating from T89C51CC01 & AT89C51CC03, to AT90CAN128, AT90CAN64, AT90CAN32 | Application Notes | Link | Download | |
| Interfacing the Internal Serial EEPROM Stacked into the AT89EB5114 | Application Notes | Link | Download | |
| Migration From AT89C51SND1C to AT83C51SDN1C | Application Notes | Link | Download | |
| Linux USB Mass Storage Support for AT8xC51SNDx | Application Notes | Link | Download | |
| Using the AT89C2051 MCU as Virtual Machine | Application Notes | Link | Download |