Memory Bus Comparisons from Microchip incl. SST
| Bus | E²Prom | Flash | Crypto | Peripheral | Speed |
|---|---|---|---|---|---|
| I²C | 128b - 2Mb (UID) | 1kb - 256 kb | HW | up to 1MHz | |
| Microwire | 1kb - 16kb | HW | 3MHz | ||
| SPI | 1kb - 4Mb (UID) | 512kb - 64Mb | HW | up to 25MHz | |
| SDI, SQI™ | HW (32-bit MCU/MPU) |
up to 104MHz | |||
| UNI/O® | 1kb - 16kb (UID) | Bit-Bang | 10 to 100kHz | ||
| Single-Wire | 1kb + UID | 4kb - 8kb | Bit-Bang | 15.4kHz or 125kHz |
|
| Parallel | 32kb - 1Mb | 1Mb - 64Mb | HW | up to 1MHz |
Nichtflüchtige Speicher (NVM) Auswahlkriterien für EEPROM gegenüber NOR Flash Technologien
