3 Tightly Coupled Memory

The PIC32CZ CA80/90 and SAM E70/S70/V7x family of devices support two TCM instances: Instruction TCM (ITCM) and Data TCM (DTCM). The base address of each TCM is fixed by the Arm System Address map:

ITCM at 0x00000000
DTCM at 0x20000000

In the Arm microcontroller memory map, the ITCM and DTCM occupy lower address ranges than the Flash and internal SRAM.

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