SPRSP69B July 2023 – November 2023 TMS320F28P650DK , TMS320F28P659DK-Q1
PRODMIX
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RAM blocks which are dedicated to each subsystem and are accessible to its CPU and CLA only, are called local shared RAMs (LSx RAMs).
All LSx RAM blocks have ECC. These memories are secure and have the access protection (CPU write/CPU fetch) feature.
By default, these memories are dedicated to the CPU only, and the user could choose to share these memories with the CLA by configuring the MSEL_LSx bit field in the LSxMSEL registers appropriately.
Table 7-7 lists the initiator access for the LSx RAM.
MSEL_LSx1 | CLAPGM_LSx | CPU ALLOWED ACCESS | CLA ALLOWED ACCESS | COMMENT |
---|---|---|---|---|
00 | X | All | – | LSx memory is configured as CPU dedicated RAM. |
01 | 0 | All | Data Read Data Write | LSx memory is shared between CPU and CLA1. |
01 | 1 | Emulation Read Emulation Write | Fetch Only | LSx memory is CLA1 program memory. |