Csmcr Register; Csmkey3 Register Field Descriptions; Csmcr Register Field Descriptions - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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1.13.9.5 CSMCR Register

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

ECSL_ALLZERO

SPRUH22I – April 2012 – Revised November 2019

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Table 1-161. CSMKEY3 Register Field Descriptions

To unclock the control subsystem, the user needs to write the same value in CSMPSWD3 to this

Figure 1-151. CSMCR Register

Table 1-162. CSMCR Register Field Descriptions

Writing a 1 to this bit clears all the KEY (CSM & ECSL both) registers for the control subsystem and

makes zone1 secure if CSMPSWD are not all 1's.

Read always return 0 (Self clear bit).

Clears the KEY registers and makes the control subsystem secure. The password match flow

described in

Section 1.10.3.2

Dummy read to the control subsystem ECSL PWL (Password locations) have not been performed.

Dummy read to the control subsystem ECSL PWL (Password locations) have been performed.

Status bit indicate if ECSL is enabled or disabled for the control subsystem. This is valid only when

ECSL_ARMED = 1.

Control subsystem ECSL is enabled.

Control subsystem ECSL is disabled.

Shows the state of ECSL Password programmed in Flash. This is valid only when ECSL _ARMED

ECSL Password of control subsystem does not contain all 1's

ECSL Password of control subsystem contain all 1's

Shows the state of ECSL password programmed in flash. This is valid only when ECSL_ARMED =

ECSL Password of control subsystem does not contain all 0's

ECSL Password of control subsystem contains all 0's

Dummy read to control subsystem CSM PWL (Password locations) have not been performed.

Dummy read to control subsystem CSM PWL (Password locations) have been performed.

must be followed to unsecure zone1 again.

System Control Registers

System Control and Interrupts

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