| 型号 | 规格书 | 订购 |
| AT89S4051-24SUR |  |
在线订购 |
| AT89S4051-24PU | |
在线订购 |
| AT89S4051-24SU | |
在线订购 |
| 产品参数 | |
| 描述 | 8-Bit Microcontroller with 4KB ISP Flash |
| Flash (Kbytes) | 4 Kbytes |
| Pin Count | 20 |
| Max Operating Freq (MHz) | 24 MHz |
| CPU | 8051-12C |
| Max I/O Pins | 15 |
| UART | 1 |
| SRAM (Kbytes) | 0.25 |
| Operating Voltage (Vcc) | 2.7 to 5.5 |
| Timers | 2 |
| ISP | SPI |
