Part No. | VDD | System Clock | Program Memory | Data Memory | I/O | LCD | Timer | Interrupt | A/D | PWM | PFD | UART | Stack | Package | 8-bit | 16-bit | RTC | Ext. | Int. | HT46R62 HT46C62 | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 2Kx14 | 88x8 | 20 | 19x4 or 20x3 | 1 | -- | v | 2 | 3 | 9-bitx6 | 8-bitx3 | v | -- | 6 | 52QFP, 56SSOP | HT46R63 HT46C63
| 2.2V~ 5.5V | 400kHz~ 8MHz | 4Kx15 | 208x8 | 32 | 19x4 or 20x3 | -- | 1 | v | 2 | 4 | 8-bitx8 | 8-bitx4 | -- | -- | 8 | 56SSOP, 100QFP | HT46R64 HT46C64 | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 4Kx15 | 192x8 | 24 | 32x4 or 33x3 | 1 | 1 | v | 2 | 4 | 10-bitx8 | 8-bitx4 | v | -- | 8 | 52QFP, 56SSOP, 100QFP | HT46R65 HT46C65 | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 8Kx16 | 384x8 | 24 | 40x4 or 41x3 | -- | 2 | v | 2 | 4 | 10-bitx8 | 8-bitx4 | v | -- | 16 | 52QFP, 56SSOP, 100QFP | HT46R652 | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 8Kx16 | 384x8 | 32 | 40x4 or 41x3 | -- | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx16 | v | -- | 16 | 100QFP | HT46RU66 HT46CU66 | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 16Kx16 | 576x8 | 32 | 46x4 or 47x3 | 1 | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx4 | v | -- | 16 | 52QFP, 56SSOP, 100QFP | HT46RU67 HT46CU67* | 2.2V~ 5.5V | 400kHz~ 8MHz or 32768Hz | 32Kx16 | 768x8 | 32 | 46x4 or 47x3 | 1 | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx4 | v | v | 16 | 52QFP, 56SSOP, 100QFP |
|