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MSP432P401R: Deep sleep MSP432P401R

Mostafa Hajian
Intellectual 285 points

Part Number: MSP432P401R

I am preparing a workshop for a course regarding power management of MSP432 using pcm_go_to_lmp3_MSP_EXP432P401R_nortos_ccs3.

Q1: why the LEDs (green and red next to the switch s1; p1.1) on the  board stays still on when MSP432 goes to deep sleep? Is it not against the concept deep sleep?

Q2: PA, PB, PC, etc are Port A, B, C, etc. However I cannot find it on the MSP432 pin layout map. So basically where are these PORTs. I could not find it in the MSP432 data sheet either.

Thanks you in advance.

Mostafa 

  • 0
    TI__Mastermind 49692 points

    Hello,

    Mostafa Hajian said:
    Q1: why the LEDs (green and red next to the switch s1; p1.1) on the  board stays still on when MSP432 goes to deep sleep? Is it not against the concept deep sleep?

    LED101 and LED102 are connected to the on-board XDS110 debug probe as shown in the schematic (Figure 31) in the MSP432P401R SimpleLink™ Microcontroller LaunchPad™ Development Kit User's Guide. They are not connected to the target MSP432.

    Mostafa Hajian said:
    Q2: PA, PB, PC, etc are Port A, B, C, etc. However I cannot find it on the MSP432 pin layout map. So basically where are these PORTs. I could not find it in the MSP432 data sheet either.

    According to Section 12.4 in the MSP432P4xx SimpleLink™ Microcontrollers Technical Reference Manual:

    Port A is a 16-bit combination of Port 1 and Port 2. Similarly, Port B is a combination of Port 3 and Port 4, Port C is a combination of Port 5 and Port 6, and so on. This configuration allows the application to access the ports either individually or in combinations of two.

    Regards,

    James