Small Package I/O Type MCU
| Part No. | VDD | System Clock | Program Memory | Data Memroy | I/O | 8-bit Timer | Interrupt Ext. | Interrupt Int. | PFD | Stack | Package |
| HT48R01 | 2.2V-5.5V | 400KHZ-12MHZ | 1kx14 | 64x8 | 8 | 1 | 1 | 1 | √ | 4 | 10MSOP |
| HT48R02 | 2.2V-5.5V | 400KHZ-12MHZ | 2kx14 | 96x8 | 8 | 2 | 1 | 2 | √ | 6 | 10MSOP |
| HT48R03 | 2.2V-5.5V | 400KHZ-12MHZ | 4Kx15 | 160x8 | 8 | 2 | 1 | 2 | √ | 8 | 10MSOP |