s32k148 VLPS sleep mode

[hajianik]

Hi,

is the following code snippet sufficient to set the module to VLPPS mode( S23k148 )

 /* Configure sleep mode */
  /*Set Sleep mode     SEVONPEND=0   SLEEPDEEP=1      SLEEPONEXIT=0 */
  SCB_SCR = (uint32) ((0uL<< 4) | (1uL<< 2) | (0uL <<1 )) ;
  //SMC_PMPROT = 0uL;
  SMC_PMPROT = (uint32) ((1uL << 5)); //koor added: allow entry to VLPS
  //SMC_PMCTRL = (uint32) ((0uL<<5) | (0uL<<3) | (0uL << 0));
  SMC_PMCTRL = (uint32) ((0uL<<5) | (0uL<<3) | (2uL << 0));// koor added: SET TO VLPS MODE
  //SMC_STOPCTRL = (uint32) (2uL << 6);     /* Set Stop 2 mode.*/

Thanks,

Koorosh Hajiani
 

[Robin_Shen]

Hi hajianik,

For none SDK based project, you can refer the Run_to_VLPS and VLPR_to_VLPS functions.

AN5425, Power Management for S32K14x – Application note (REV 1)
and AN5425SW.zip can be download at S32K1 Microcontrollers for General Purpose.

Best Regards,
Robin
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[1090097669]

Hello   Robin,

In VLPS mode, I also encountered a low power consumption current of 4mA instead of less than 1mA. What is the reason?