8051结构单片机到期停产
| Devices | Description | 数据手册DataSheet 下载 |
| ATWebSEG-32 | This Serial-to-Ethernet Gateway module, based on a C51 Flash MCU, is not anymore supported by Atmel. It is still available from Wiznet:www.wiznet.co.kr | ATWebSEG-32 |
| AT80251G2D TSC80251G2D |
8/16-bit Microcontroller with Serial Communication Interfaces - ROMless Not recommended for new design. | AT80251G2D TSC80251G2D |
| AT83251G2D TSC83251G2D |
8/16-bit Microcontroller with Serial Communication Interfaces - 32Kbytes ROM Not recommended for new design. | AT83251G2D TSC83251G2D |
| AT87251G2D TSC87251G2D |
8/16-bit Microcontroller with Serial Communication Interfaces - 32Kbytes OTP Not recommended for new design. | AT87251G2D TSC87251G2D |
| AT89C51 | 80C31 Microcontroller with 4K bytes Flash. Not recommended for new designs. Use AT89S51. | AT89C51 |
| AT89C52 | 80C32 Microcontroller with 8K bytes Flash. Not recommended for new designs. Use AT89S52. | AT89C52 |
| AT89LV51 | 2.7-Volt, 80C31 Microcontroller with 4K bytes Flash. Not recommended for new designs. Use AT89LS51. | AT89LV51 |
| AT89LV52 | 2.7-Volt, 80C32 Microcontroller with 8K bytes Flash. Not recommended for new designs. Use AT89LS52. | AT89LV52 |
| AT89LV55 | 2.7-Volt, 80C32 Microcontroller with 20K bytes Flash. Not recommended for new designs. Use AT89C51RC2. |
AT89LV55 |
| AT89LS53 | Low Voltage, Downloadable MCU with 12k bytes Flash. For new designs use AT89S8253. | AT89LS53 |
| AT89LS8252 | Low Voltage, Downloadable MCU with 8K bytes Flash and 2K bytes EEPROM. For new designs use AT89S8253. | AT89LS8252 |
| AT89S53 | In-System Programmable Microcontroller with 12k bytes Flash. For new designs use AT89S8253. | AT89S53 |
| AT89S8252 | In-System Programmable Microcontroller with 8K bytes Flash 2K bytes EEPROM. For new designs use AT89S8253. | AT89S8252 |
| T89C51RB2 | High performance 8-bit microcontroller 16 Kbytes Flash. Not recommended for new design: replaced by AT89C51RB2 | T89C51RB2 |
| T89C51RC2 | High performance 8-bit microcontroller 32 Kbytes Flash. Not recommended for new design: replaced by AT89C51RC2 | T89C51RC2 |
| T89C51RD2 | Not recommended for new design: replaced by AT89C51ED2 | T89C51RD2 |
| AT85C51SND3 | Single-Chip Digital Music Player. Not recommended for new designs. | AT85C51SND3 |
| AT89C51SND2C | Single-Chip MP3-Player for mobile phone market. Not recommended for new designs. | AT89C51SND2C |
| AT83SND2C | Single-Chip MP3-Player for mobile phone market. Not recommended for new designs. | AT83SND2C |
| AT83SND2CMP3 | The AT83SND2CMP3 has been developed as a versatile remote controlled MP3 player for very fast MP3 feature implementation into most existing systems. Not recommended for new designs. | AT83SND2CMP3 |
| AT89C51SND1C | MP3 Decoder Circuit MPEG1 2Layer-3 C51 Microcontroller with Embedded MP3 Decoder and 64 Kbytes Flash. Not recommended for new designs. | AT89C51SND1C |
| AT83SND1C | MP3 Decoder Circuit MPEG1 2Layer-3 C51 Microcontroller with Embedded MP3 Decoder and 64 Kbytes ROM. Not recommended for new designs. | AT83SND1C |
| AT80C51SND1C | MP3 Decoder Circuit MPEG12Layer-3 C51 Microcontroller with Embedded MP3 Decoder ROMless. Not recommended for new designs. | AT80C51SND1C |
| AT87C5111 | Low-pin-count 8-bit microcontroller 4 Kbytes OTP with A/D converter Not recommended for new design | AT87C5111 |
| AT87C5112 | 8-bit microcontroller 8 Kbytes OTP with A/D Converter Not recommended for new design | AT87C5112 |
| AT87F51 | 80C31 Microcontroller with 4K bytes one-time programmable QuickFlash. Not recommended for new designs. Use AT89S51. | AT87F51 |
| AT87F52 | 80C32 Microcontroller with 8K bytes one-time programmable QuickFlash. Not recommended for new designs. Use AT89S52. | AT87F52 |
| T87C5101 | Low-pin count 8-bit microcontroller 16Kbytes OTP Not recommended for new design | T87C5101 |
| TS87C51U2 | Double UART 8-bit microcontroller 16 Kbytes OTP Not recommended for new design | TS87C51U2 |
| AT83C5111 | Low-pin-count 8-bit microcontroller 4 Kbytes ROM with A/D converter Not recommended for new design | AT83C5111 |
| AT83C5112 | 8-bit microcontroller 8 Kbytes ROM with A/D Converter Not recommended for new design | AT83C5112 |
| T83C5101 | Low-pin-count 8-bit microcontroller 16 Kbytes ROM Not recommended for new design | T83C5101 |
| T83C5102 | Low-pin-count 8-bit microcontroller 8 Kbytes ROM Not recommended for new design | T83C5102 |
| TS83C51U2 | Double UART 8-bit microcontroller 16 Kbytes ROM Not recommended for new design | TS83C51U2 |
| AT80C5112 | 8-bit microcontroller with A/D Converter Not recommended for new design | AT80C5112 |
| TS80C51U2 | Double UART 8-bit microcontroller ROMless Not recommended for new design | TS80C51U2 |
| AT89C5131 | USB C51-based Microcontroller with 32K Bytes Flash. Not recommended for new design: replaced by AT89C5131A-L (full compatibility) or AT89C5131A-M (extended 2.7-5.5V range). | AT89C5131 |
爱特梅尔提供大量基于8051结构的微控制器。产品系列包括MCS-51. 工业标准插口嵌入设备, 系统内编程性能, 和小封装20 脚衍生产品用于ROMless 、ROM 、OTP 及Flash flavors(参见网上选择表) 。一些设备还利用了高速核心(X2) 方式，它依据选择为CPU 和外围设备加倍了内部时钟频率。8051 种衍生产品还包括具有特殊功能的特殊应用产品，以服务特定的市场:
爱特梅尔还提供基于强大的C251 结构的8/16 位微控制器。我们的C251 设备允许通过升级现有的基于80C51 的应用实现直接和方便的性能