Hi.Is there an application note that explain which is the right way to turn off internal LDO and use external voltage regulators connected to VCL and VCLH?Also, I have seen in the files r_system_api.c and r_system_api.h (in the r01an5606xx0220-re01b-ble/ble_project_server project) that is missing the protect register PRCR->PRC4 handle. Instead, this handle is available in the RE01 project files (r01an4837_re_power_management_1500kb project). Is it not possible to turn off LDO on RE01B device?
Thanks in advance.
As far as I checked User's manual, there is a LDOCR register which control internal LDO turning ON/OFF.
So, I think it is possible to control to turn off internal LDO and use external DCDC…
So, I think it is possible to control to turn off internal LDO and use external DCDC.
You can get sample code for control this register. It is a sample code for RE01 1500KB, but you can use this sample code for RE01B.
Were you able to find answers for this? Have you checked PONSUKE's reply?
HeraldRenesasRulz Forum Moderatorhttps://renesasrulz.com/https://academy.renesas.com/en-us.knowledgebase.renesas.com/
Hi Herald and PONSUKE.
Sorry about the delay.
I was able to stop internal LDO and use the external regulators to generate VCL and VCLH.
The main problem was in the r_system_api.c, r_system_api.h and RE01B_1500KB.h files for RE01B. In these files was not defined rispectively PRCR->PRC4 handle and the LDOCR register. So I'have to add it manualy.
Can I suggest to add it in the next release?