SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
The Flash Subsystem (FSS) provides access to external Flash devices via Octal Serial Peripheral Interface (OSPI) along with Encryption/Decryption, Authentication and in-line ECC protection (referred as ECCM).
The FSS includes one OSPI. For more information, see Octal Serial Peripheral Interface (OSPI).
Table 13-185 shows FSS allocation across device domains.
| Instance | Domain | |
| MAIN | ||
| FSS0 | ✓ | |
Figure 13-147 shows the FSS overview.