ST STM32F31xx - Page 296

Operational amplifier (OPAMP)
UM1581
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DocID023800 Rev 1
 OPAMP :
Return values
 Returns the selected OPAMP output level: low or high.
Notes
 OPAMP ouput level is provided only during calibration phase.
16.2.4.12 OPAMP_OffsetTrimModeSelect
Function Name
void OPAMP_OffsetTrimModeSelect ( uint32_t
OPAMP_Selection, uint32_t OPAMP_Trimming)
Function Description
Select the trimming mode.
Parameters
 OffsetTrimming : the selected offset trimming mode. This
parameter can be one of the following values:
 OPAMP_Trimming_Factory : factory trimming values
are used for offset calibration
 OPAMP_Trimming_User : user trimming values are
used for offset calibration
Return values
 None.
Notes
 When OffsetTrimming_User is selected, use
OPAMP_OffsetTrimConfig() function or
OPAMP_OffsetTrimLowPowerConfig() function to adjust
trimming value.
16.2.4.13 OPAMP_OffsetTrimConfig
Function Name
void OPAMP_OffsetTrimConfig ( uint32_t OPAMP_Selection,
uint32_t OPAMP_Input, uint32_t OPAMP_TrimValue)
Function Description
Configure the trimming value of the OPAMP.
Parameters
 OPAMP_Selection : the selected OPAMP. This parameter
can be OPAMP_Selection_OPAMPx where x can be 1 to 4 to
select the OPAMP peripheral.
 OPAMP_Input : the selected OPAMP input. This parameter
can be one of the following values:
 OPAMP_Input_Inverting : Inverting input is selected to
configure the trimming value
 OPAMP_Input_NonInverting : Non inverting input is
selected to configure the trimming value
 OPAMP_TrimValue : the trimming value. This parameter