A/D Type USB MCU(USB 1.1Full Speed)
| Part No. | VDD | System Clock | Program Memory | Data Memory | I/O | Timer 8-bit | Timer 16-bit | Interrupt Ext. | Interrupt Int. | End Points | A/D | PWM | SIO | Stack | Package |
| HT46RB50 | 4.4V-5.5V | 6MHz or 12MHz | 4Kx15 | 192Kx8 | 38 | 1 | 1 | 1 | 5 | 4 | 10-bitx8 | 8-bitx2 | √ | 6 | 28SKDIP/SOP,48SSOP |
| HT46RB70* | 4.4V-5.5V | 6MHz or 12MHz | 8Kx16 | 384x8 | 38 | - | 2 | 1 | 5 | 6 | 10-bitx8 | 8-bitx4 | √ | 16 | 28SKDIP/SOP,48SSOP |