SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The Flash Subsystem (FSS) provides access to external flash devices via Octal SPI (OSPI) orHyperBus™ interface.
The FSS includes one OSPI and one HyperBus interface. For more information, see Octal Serial Peripheral Interface (OSPI) and Section 12.3.3, HyperBus Interface.
Table 12-3876 shows FSS allocation across device domains.
Instance | Domain | ||
WKUP | MCU | MAIN | |
MCU_FSS0 | - | ✓ | - |
Figure 12-1955 shows the FSS overview.
The FSS path (FSS0) has access to either OSPI0 or HyperBus interface.