| SM59**系列（12T) | |||||||||
| Part No. | VCC | Speed | Flash Rom | Ram Size | I/O | TWSI | SPI | IIC | UART |
| SM5964A | 3.3/5.0 | 25/40M | 64K | 256+768 | 32/36 | YES | 1 | ||
| SM5964 | 5 | 40M | 64K | 256+768 | 32/36 | 1 | |||
| SM59264 | 5 | 40M | 64+64K | 256+768 | 32/36 | YES | 1 | ||
| SM59128 | 5 | 40M | 128K | 256+768 | 32/36 | YES | 1 | ||
| SM59**系列（12T) | |||||||||
| Part No. | VCC | Speed | Flash Rom | Ram Size | I/O | TWSI | SPI | IIC | UART |
| SM5964A | 3.3/5.0 | 25/40M | 64K | 256+768 | 32/36 | YES | 1 | ||
| SM5964 | 5 | 40M | 64K | 256+768 | 32/36 | 1 | |||
| SM59264 | 5 | 40M | 64+64K | 256+768 | 32/36 | YES | 1 | ||
| SM59128 | 5 | 40M | 128K | 256+768 | 32/36 | YES | 1 | ||