| SeriesUART | RS-4 Series |
|---|---|
| Type NameInterval timer | RS44C |
| EEPROM/NVR (KB)Phase Looked Loop | 18 |
| Program memory (KB)DES coprocessor | 192 |
| RAM (KB)Modular multiplication coprocessor | 6 |
| Production StatusRF Interface | Mass Production |
| I/O portUSB Interface | 2 |
| Watchdog Timer (ch)Operating temperature (°C) | 1 |
| Random number generatorOperating voltage (V) | 16bit |
