STM32H735xx HAL User Manual
Defines
Power supply source configuration
PWR Exported Constants

Defines

#define LL_PWR_LDO_SUPPLY   PWR_CR3_LDOEN
#define LL_PWR_DIRECT_SMPS_SUPPLY   PWR_CR3_SMPSEN
#define LL_PWR_SMPS_1V8_SUPPLIES_LDO   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)
#define LL_PWR_SMPS_2V5_SUPPLIES_LDO   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)
#define LL_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)
#define LL_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)
#define LL_PWR_SMPS_1V8_SUPPLIES_EXT   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS)
#define LL_PWR_SMPS_2V5_SUPPLIES_EXT   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS)
#define LL_PWR_EXTERNAL_SOURCE_SUPPLY   PWR_CR3_BYPASS

Define Documentation

#define LL_PWR_DIRECT_SMPS_SUPPLY   PWR_CR3_SMPSEN

Core domains are supplied from the SMPS

Definition at line 298 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_EXTERNAL_SOURCE_SUPPLY   PWR_CR3_BYPASS

The SMPS and the LDO are Bypassed. The Core domains are supplied from an external source

Definition at line 306 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_LDO_SUPPLY   PWR_CR3_LDOEN

Core domains are supplied from the LDO

Definition at line 296 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_1V8_SUPPLIES_EXT   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS)

The SMPS 1.8V output supplies an external source which supplies the Core domains

Definition at line 303 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)

The SMPS 1.8V output supplies an external circuits and the LDO. The Core domains are supplied from the LDO

Definition at line 301 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_1V8_SUPPLIES_LDO   (PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)

The SMPS 1.8V output supplies the LDO which supplies the Core domains

Definition at line 299 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_2V5_SUPPLIES_EXT   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS)

The SMPS 2.5V output supplies an external source which supplies the Core domains

Definition at line 304 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)

The SMPS 2.5V output supplies an external circuits and the LDO. The Core domains are supplied from the LDO

Definition at line 302 of file stm32h7xx_ll_pwr.h.

#define LL_PWR_SMPS_2V5_SUPPLIES_LDO   (PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN)

The SMPS 2.5V output supplies the LDO which supplies the Core domains

Definition at line 300 of file stm32h7xx_ll_pwr.h.