| 型號 | cm8a21,cm8p53,cm8p56,cm8p57,cm8p59,cm8f19 | 臺灣/csc | |
| 批號 | 07 | 封裝 | dice,sop,dip |
| 8-bit mcu | *cm | 8-bit otp mcu，0.5k rom，16 i/o，dip/sop-8 14 18 20 24 |
| cm8p53 | 8-bit otp mcu，可相容78p153 （ | |
| cm8p56 | 8-bit otp mcu，可相容78p156 | |
| cm8p57 | 8-bit otp mcu，可相容78p157 | |
| cm8p59 | 8-bit otp mcu，可相容78p447 | |
| *cm | 8-bit otp mcu，with full-speed usb controller | |
| *cm8b11 | 8-bit otp mcu，with battery charger controller，全兼容 ht46r47 |