| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| U664B | KB | ||||
| U665B | KB | ||||
| U6624B | KB | ||||
| U666BS | ETC | GHz prescaler (factor = 256) | 24 KB | 1 |  |
| U666B | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
| U6612 | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
| U664BS | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
| U6614 | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
| U666ST | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
| U668BS | ETC | GHz prescaler (factor = 256) | 24 KB | 1 | |
