Zone Security Status - Texas Instruments Concerto F28M36 Series Technical Reference Manual

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1.10.3.3.2 C Code Example to Resecure C28x Zone1

volatile int *CSMSCR = 0x00AEF; //CSMSCR register

//Set FORCESEC bit

*CSMSCR = 0x8000;

shows different conditions for a zone to be secure or non-secure.

1.10.3.4 Environments That Require ECSL Unlocking

The following are the typical situations under which unsecuring memories can be required: the user

develops some main IP, and then outsources peripheral functions to a subcontractor who must be able to

run the customer code during debug but source code should not be visible to the subcontractor.

1.10.3.5 ECSL Password Match Flow

Password match flow (PMF) is essentially a sequence of eight dummy reads from password locations

(PWL) followed by eight writes to KEY registers.

security logic registers and disable security logic.

SPRUHE8E – October 2012 – Revised November 2019

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Table 1-33. Zone Security Status

shows how the PMF helps to initialize the

System Control and Interrupts

Code Security Module (CSM)

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