| 器件型号 | 说明 |
| AT89C5115 | Low Pin Count 8-Bit Microcontroller with A/D Converter and 16KB Flash |
| AT89C51AC2 | 8-Bit Microcontroller, 32KB Flash, 2KB EEPROM, 10-Bit A/D Converter, 3V to 5.5V |
| AT89C51AC3 | Enhanced 8-Bit Microcontroller with 64KB Flash Memory |
| AT89C51ED2 | High performance 8-Bit Microcontroller 64KB Flash, 2KB EEPROM |
| AT89C51IC2 | 8-Bit Flash Microcontroller with Two-Wire Interface |
| AT89C51ID2 | High-Performance CMOS Flash Version of the 80C51 CMOS Single Chip 8-Bit Microcontroller |
| AT89C51RB2 | 8-Bit Microcontroller, 16KB Flash |
| AT89C51RC2 | 8-Bit Microcontroller, 32KB Flash |
| AT89C51RD2 | High-Performance 8-Bit Microcontroller, 64KB Flash |
| AT89C51RE2 | 8-Bit Microcontroller, 128KB Flash |
| AT89LS51 | 8-Bit Microcontroller, 4KB ISP, 128 bytes RAM, 16MHz, 2.7V to 4.0V |
| AT89LS52 | 8-Bit Microcontroller, 8KB ISP Flash, 256 bytes RAM, 16MHz 2.7V to 4.0V |
| AT89S2051 | 8-Bit Microcontroller with 2KB ISP Flash |
| AT89S4051 | 8-Bit Microcontroller with 4KB ISP Flash |
| AT89S51 | 8-Bit Microcontroller, 4KB ISP Flash |
| AT89S52 | 8-Bit Microcontroller, 8KB ISP Flash |
| AT89S8253 | 8-Bit Microcontroller, 12KB Flash |
