19.2.3 Host to Client Access
The following table provides valid paths for Host to Client accesses. The paths shown as “-” are forbidden or not wired.
| Hosts | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clients | Cortex-M7 | Cortex-M7 | Cortex-M7 Peripheral Port | ICM | Central DMA IF0 | Central DMA IF1 | ISI DMA | MediaLB DMA | USB DMA | GMAC DMA | CAN0 DMA | CAN1 DMA | Cortex-M7 | |
| 0 | Internal SRAM | – | – | – | X | X | – | – | – | – | – | – | – | – |
| 1 | Internal SRAM | – | – | – | – | – | X | X | X | X | X | X | X | – |
| 2 | Internal ROM | X | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | Internal Flash | X | – | – | X | – | X | – | – | X | X | – | – | – |
| 4 | USB HS Dual Port RAM | – | X | – | – | – | – | – | – | – | – | – | – | – |
| 5 | External Bus Interface | – | X | – | X | X | X | X | X | X | X | X | X | – |
| 6 | QSPI | – | – | – | X | – | X | – | – | X | X | – | – | X |
| 7 | Peripheral Bridge | – | X | X | – | – | X | – | – | – | – | – | – | – |
| 8 | Cortex-M7 AHB Client (AHBS) (see Note) | – | – | – | X | X | – | X | X | X | X | X | X | – |
Note: For the connection of the Cortex-M7
processor to the SRAM, refer to the sections “Interconnect” and “Memories”, sub-section
“Embedded Memories”.