| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | HD404449TF | 4-Bit Microcontroller | 837K |   |   | 
| 2 | HD404449TF | HD404449 SERIES | 486K |   |   | 
| 3 | HD404449TF | microcomputer has four timers, two serial interfaces, A/D converter, | 448K |   |   | 
| 4 | HD404449TF | HD404449 SERIES | 486K |   |   |