OPAMPEMLIB
Detailed Description
Operational Amplifier (OPAMP) peripheral API.
This module contains functions to:
- OPAMP_Enable() Configure and enable OPAMP.
- OPAMP_Disable() Disable OPAMP.
All OPAMP functions assume that the VDAC clock is running. If VDAC is not used, the clock can be turned off when the OPAMPs are configured.
If the available gain values don't suit the application at hand, the resistor ladders can be disabled and external gain programming resistors used.
A number of predefined OPAMP setup macros are available for configuration of the most common OPAMP topologies (see figures below).
- Note
- The terms POSPAD and NEGPAD in the figures are used to indicate that these pads should be connected to a suitable signal ground.
Unity gain voltage follower.
Use predefined macro OPA_INIT_UNITY_GAIN.
|\ ___________|+\ | \_______ ___|_ / | | | / | | |/ | |___________|
Non-inverting amplifier.
Use predefined macro OPA_INIT_NON_INVERTING.
|\ ___________|+\ | \_______ ___|_ / | | | / | | |/ | |_____R2____| | R1 | NEGPAD
Inverting amplifier.
Use predefined macro OPA_INIT_INVERTING.
_____R2____ | | | |\ | ____R1_|___|_\ | | \____|___ ___| / | |+/ | |/ | POSPAD
Cascaded non-inverting amplifiers.
Use predefined macros OPA_INIT_CASCADED_NON_INVERTING_OPA0, OPA_INIT_CASCADED_NON_INVERTING_OPA1 and OPA_INIT_CASCADED_NON_INVERTING_OPA2.
|\ |\ |\ ___________|+\ OPA0 ___________|+\ OPA1 ___________|+\ OPA2 | \_________| | \_________| | \_______ ___|_ / | ___|_ / | ___|_ / | | | / | | | / | | | / | | |/ | | |/ | | |/ | |_____R2____| |_____R2____| |_____R2____| | | | R1 R1 R1 | | | NEGPAD NEGPAD NEGPAD
Cascaded inverting amplifiers.
Use predefined macros OPA_INIT_CASCADED_INVERTING_OPA0, OPA_INIT_CASCADED_INVERTING_OPA1 and OPA_INIT_CASCADED_INVERTING_OPA2.
_____R2____ _____R2____ _____R2____ | | | | | | | |\ | | |\ | | |\ | ____R1_|___|_\ | ____R1_|___|_\ | ____R1_|___|_\ | | \____|____| | \____|___| | \____|__ ___| / ___| / ___| / | |+/ OPA0 | |+/ OPA1 | |+/ OPA2 | |/ | |/ | |/ | | | POSPAD POSPAD POSPAD
Differential driver with two opamp's.
Use predefined macros OPA_INIT_DIFF_DRIVER_OPA0 and OPA_INIT_DIFF_DRIVER_OPA1.
__________________________ | + | _____R2____ |\ | | | ___________|+\ OPA0 | | |\ OPA1 | | \_________|____R1_|___|_\ | _ ___|_ / | | \____|______ | | / | ___| / | |/ | | |+/ |________________| | |/ | POSPAD
Differential receiver with three opamp's.
Use predefined macros OPA_INIT_DIFF_RECEIVER_OPA0, OPA_INIT_DIFF_RECEIVER_OPA1 and OPA_INIT_DIFF_RECEIVER_OPA2.
|\ __________|+\ OPA1 _ | \_________ ___|_ / | | _____R2____ | | / | | | | | |/ | | | |\ | |___________| |____R1_|___|_\ | | \____|___ |\ ____R1_ ___| / +__________|+\ OPA0 | | |+/ OPA2 | \_________| | |/ ___|_ / | R2 | | / | | | |/ | NEGPAD OPA0 |___________|
Instrumentation amplifier.
Use predefined macros OPA_INIT_INSTR_AMP_OPA0 and OPA_INIT_INSTR_AMP_OPA1.
|\ __________|+\ OPA1 | \______________ ___|_ / | | | / | | |/ R2 |____________| | R1 | R1 ____________| | | | R2 | |\ | |___|+\ OPA0 | | \_____|________ __________|_ / | / |/
Data Structures | |
struct | OPAMP_Init_TypeDef |
Macros | |
#define | OPA_INIT_CASCADED_INVERTING_OPA0 |
#define | OPA_INIT_CASCADED_INVERTING_OPA1 |
#define | OPA_INIT_CASCADED_INVERTING_OPA2 |
#define | OPA_INIT_CASCADED_INVERTING_OPA3 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA0 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA1 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA2 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA3 |
#define | OPA_INIT_DIFF_DRIVER_OPA0 |
#define | OPA_INIT_DIFF_DRIVER_OPA1 |
#define | OPA_INIT_DIFF_RECEIVER_OPA0 |
#define | OPA_INIT_DIFF_RECEIVER_OPA1 |
#define | OPA_INIT_DIFF_RECEIVER_OPA2 |
#define | OPA_INIT_DIFF_RECEIVER_OPA3 |
#define | OPA_INIT_INSTR_AMP_OPA0 |
#define | OPA_INIT_INSTR_AMP_OPA1 |
#define | OPA_INIT_INVERTING |
#define | OPA_INIT_NON_INVERTING |
#define | OPA_INIT_UNITY_GAIN |
Enumerations | |
enum | OPAMP_DrvStr_Typedef { opaDrvStrDefault = VDAC_OPA_CTRL_DRIVESTRENGTH_DEFAULT, opaDrvStrLowerAccLowStr = (0 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrLowAccLowStr = (1 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrHighAccHighStr = (2 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrHigherAccHighStr = (3 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT) } |
enum | OPAMP_NegSel_TypeDef { opaNegSelAPORT1YCH1 = VDAC_OPA_MUX_NEGSEL_APORT1YCH1, opaNegSelAPORT1YCH3 = VDAC_OPA_MUX_NEGSEL_APORT1YCH3, opaNegSelAPORT1YCH5 = VDAC_OPA_MUX_NEGSEL_APORT1YCH5, opaNegSelAPORT1YCH7 = VDAC_OPA_MUX_NEGSEL_APORT1YCH7, opaNegSelAPORT1YCH9 = VDAC_OPA_MUX_NEGSEL_APORT1YCH9, opaNegSelAPORT1YCH11 = VDAC_OPA_MUX_NEGSEL_APORT1YCH11, opaNegSelAPORT1YCH13 = VDAC_OPA_MUX_NEGSEL_APORT1YCH13, opaNegSelAPORT1YCH15 = VDAC_OPA_MUX_NEGSEL_APORT1YCH15, opaNegSelAPORT1YCH17 = VDAC_OPA_MUX_NEGSEL_APORT1YCH17, opaNegSelAPORT1YCH19 = VDAC_OPA_MUX_NEGSEL_APORT1YCH19, opaNegSelAPORT1YCH21 = VDAC_OPA_MUX_NEGSEL_APORT1YCH21, opaNegSelAPORT1YCH23 = VDAC_OPA_MUX_NEGSEL_APORT1YCH23, opaNegSelAPORT1YCH25 = VDAC_OPA_MUX_NEGSEL_APORT1YCH25, opaNegSelAPORT1YCH27 = VDAC_OPA_MUX_NEGSEL_APORT1YCH27, opaNegSelAPORT1YCH29 = VDAC_OPA_MUX_NEGSEL_APORT1YCH29, opaNegSelAPORT1YCH31 = VDAC_OPA_MUX_NEGSEL_APORT1YCH31, opaNegSelAPORT2YCH0 = VDAC_OPA_MUX_NEGSEL_APORT2YCH0, opaNegSelAPORT2YCH2 = VDAC_OPA_MUX_NEGSEL_APORT2YCH2, opaNegSelAPORT2YCH4 = VDAC_OPA_MUX_NEGSEL_APORT2YCH4, opaNegSelAPORT2YCH6 = VDAC_OPA_MUX_NEGSEL_APORT2YCH6, opaNegSelAPORT2YCH8 = VDAC_OPA_MUX_NEGSEL_APORT2YCH8, opaNegSelAPORT2YCH10 = VDAC_OPA_MUX_NEGSEL_APORT2YCH10, opaNegSelAPORT2YCH12 = VDAC_OPA_MUX_NEGSEL_APORT2YCH12, opaNegSelAPORT2YCH14 = VDAC_OPA_MUX_NEGSEL_APORT2YCH14, opaNegSelAPORT2YCH16 = VDAC_OPA_MUX_NEGSEL_APORT2YCH16, opaNegSelAPORT2YCH18 = VDAC_OPA_MUX_NEGSEL_APORT2YCH18, opaNegSelAPORT2YCH20 = VDAC_OPA_MUX_NEGSEL_APORT2YCH20, opaNegSelAPORT2YCH22 = VDAC_OPA_MUX_NEGSEL_APORT2YCH22, opaNegSelAPORT2YCH24 = VDAC_OPA_MUX_NEGSEL_APORT2YCH24, opaNegSelAPORT2YCH26 = VDAC_OPA_MUX_NEGSEL_APORT2YCH26, opaNegSelAPORT2YCH28 = VDAC_OPA_MUX_NEGSEL_APORT2YCH28, opaNegSelAPORT2YCH30 = VDAC_OPA_MUX_NEGSEL_APORT2YCH30, opaNegSelAPORT3YCH1 = VDAC_OPA_MUX_NEGSEL_APORT3YCH1, opaNegSelAPORT3YCH3 = VDAC_OPA_MUX_NEGSEL_APORT3YCH3, opaNegSelAPORT3YCH5 = VDAC_OPA_MUX_NEGSEL_APORT3YCH5, opaNegSelAPORT3YCH7 = VDAC_OPA_MUX_NEGSEL_APORT3YCH7, opaNegSelAPORT3YCH9 = VDAC_OPA_MUX_NEGSEL_APORT3YCH9, opaNegSelAPORT3YCH11 = VDAC_OPA_MUX_NEGSEL_APORT3YCH11, opaNegSelAPORT3YCH13 = VDAC_OPA_MUX_NEGSEL_APORT3YCH13, opaNegSelAPORT3YCH15 = VDAC_OPA_MUX_NEGSEL_APORT3YCH15, opaNegSelAPORT3YCH17 = VDAC_OPA_MUX_NEGSEL_APORT3YCH17, opaNegSelAPORT3YCH19 = VDAC_OPA_MUX_NEGSEL_APORT3YCH19, opaNegSelAPORT3YCH21 = VDAC_OPA_MUX_NEGSEL_APORT3YCH21, opaNegSelAPORT3YCH23 = VDAC_OPA_MUX_NEGSEL_APORT3YCH23, opaNegSelAPORT3YCH25 = VDAC_OPA_MUX_NEGSEL_APORT3YCH25, opaNegSelAPORT3YCH27 = VDAC_OPA_MUX_NEGSEL_APORT3YCH27, opaNegSelAPORT3YCH29 = VDAC_OPA_MUX_NEGSEL_APORT3YCH29, opaNegSelAPORT3YCH31 = VDAC_OPA_MUX_NEGSEL_APORT3YCH31, opaNegSelAPORT4YCH0 = VDAC_OPA_MUX_NEGSEL_APORT4YCH0, opaNegSelAPORT4YCH2 = VDAC_OPA_MUX_NEGSEL_APORT4YCH2, opaNegSelAPORT4YCH4 = VDAC_OPA_MUX_NEGSEL_APORT4YCH4, opaNegSelAPORT4YCH6 = VDAC_OPA_MUX_NEGSEL_APORT4YCH6, opaNegSelAPORT4YCH8 = VDAC_OPA_MUX_NEGSEL_APORT4YCH8, opaNegSelAPORT4YCH10 = VDAC_OPA_MUX_NEGSEL_APORT4YCH10, opaNegSelAPORT4YCH12 = VDAC_OPA_MUX_NEGSEL_APORT4YCH12, opaNegSelAPORT4YCH14 = VDAC_OPA_MUX_NEGSEL_APORT4YCH14, opaNegSelAPORT4YCH16 = VDAC_OPA_MUX_NEGSEL_APORT4YCH16, opaNegSelAPORT4YCH18 = VDAC_OPA_MUX_NEGSEL_APORT4YCH18, opaNegSelAPORT4YCH20 = VDAC_OPA_MUX_NEGSEL_APORT4YCH20, opaNegSelAPORT4YCH22 = VDAC_OPA_MUX_NEGSEL_APORT4YCH22, opaNegSelAPORT4YCH24 = VDAC_OPA_MUX_NEGSEL_APORT4YCH24, opaNegSelAPORT4YCH26 = VDAC_OPA_MUX_NEGSEL_APORT4YCH26, opaNegSelAPORT4YCH28 = VDAC_OPA_MUX_NEGSEL_APORT4YCH28, opaNegSelAPORT4YCH30 = VDAC_OPA_MUX_NEGSEL_APORT4YCH30, opaNegSelDisable = VDAC_OPA_MUX_NEGSEL_DISABLE, opaNegSelUnityGain = VDAC_OPA_MUX_NEGSEL_UG, opaNegSelResTap = VDAC_OPA_MUX_NEGSEL_OPATAP, opaNegSelNegPad = VDAC_OPA_MUX_NEGSEL_NEGPAD } |
enum | OPAMP_OutMode_TypeDef { opaOutModeDisable = 0, opaOutModeMain = VDAC_OPA_OUT_MAINOUTEN, opaOutModeAlt = VDAC_OPA_OUT_ALTOUTEN, opaOutModeAll = VDAC_OPA_OUT_SHORT, opaOutModeAPORT1YCH1 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH1), opaOutModeAPORT1YCH3 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH3), opaOutModeAPORT1YCH5 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH5), opaOutModeAPORT1YCH7 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH7), opaOutModeAPORT1YCH9 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH9), opaOutModeAPORT1YCH11 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH11), opaOutModeAPORT1YCH13 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH13), opaOutModeAPORT1YCH15 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH15), opaOutModeAPORT1YCH17 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH17), opaOutModeAPORT1YCH19 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH19), opaOutModeAPORT1YCH21 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH21), opaOutModeAPORT1YCH23 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH23), opaOutModeAPORT1YCH25 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH25), opaOutModeAPORT1YCH27 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH27), opaOutModeAPORT1YCH29 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH29), opaOutModeAPORT1YCH31 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH31), opaOutModeAPORT2YCH0 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH0), opaOutModeAPORT2YCH2 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH2), opaOutModeAPORT2YCH4 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH4), opaOutModeAPORT2YCH6 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH6), opaOutModeAPORT2YCH8 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH8), opaOutModeAPORT2YCH10 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH10), opaOutModeAPORT2YCH12 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH12), opaOutModeAPORT2YCH14 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH14), opaOutModeAPORT2YCH16 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH16), opaOutModeAPORT2YCH18 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH18), opaOutModeAPORT2YCH20 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH20), opaOutModeAPORT2YCH22 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH22), opaOutModeAPORT2YCH24 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH24), opaOutModeAPORT2YCH26 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH26), opaOutModeAPORT2YCH28 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH28), opaOutModeAPORT2YCH30 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH30), opaOutModeAPORT3YCH1 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH1), opaOutModeAPORT3YCH3 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH3), opaOutModeAPORT3YCH5 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH5), opaOutModeAPORT3YCH7 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH7), opaOutModeAPORT3YCH9 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH9), opaOutModeAPORT3YCH11 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH11), opaOutModeAPORT3YCH13 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH13), opaOutModeAPORT3YCH15 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH15), opaOutModeAPORT3YCH17 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH17), opaOutModeAPORT3YCH19 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH19), opaOutModeAPORT3YCH21 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH21), opaOutModeAPORT3YCH23 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH23), opaOutModeAPORT3YCH25 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH25), opaOutModeAPORT3YCH27 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH27), opaOutModeAPORT3YCH29 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH29), opaOutModeAPORT3YCH31 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH31), opaOutModeAPORT4YCH0 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH0), opaOutModeAPORT4YCH2 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH2), opaOutModeAPORT4YCH4 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH4), opaOutModeAPORT4YCH6 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH6), opaOutModeAPORT4YCH8 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH8), opaOutModeAPORT4YCH10 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH10), opaOutModeAPORT4YCH12 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH12), opaOutModeAPORT4YCH14 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH14), opaOutModeAPORT4YCH16 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH16), opaOutModeAPORT4YCH18 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH18), opaOutModeAPORT4YCH20 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH20), opaOutModeAPORT4YCH22 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH22), opaOutModeAPORT4YCH24 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH24), opaOutModeAPORT4YCH26 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH26), opaOutModeAPORT4YCH28 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH28), opaOutModeAPORT4YCH30 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH30) } |
enum | OPAMP_OutScale_Typedef { opaOutScaleDefault = VDAC_OPA_CTRL_OUTSCALE_DEFAULT, opaOutScaleFull = VDAC_OPA_CTRL_OUTSCALE_FULL, opaOutSacleHalf = VDAC_OPA_CTRL_OUTSCALE_HALF } |
enum | OPAMP_PosSel_TypeDef { opaPosSelAPORT1XCH0 = VDAC_OPA_MUX_POSSEL_APORT1XCH0, opaPosSelAPORT1XCH2 = VDAC_OPA_MUX_POSSEL_APORT1XCH2, opaPosSelAPORT1XCH4 = VDAC_OPA_MUX_POSSEL_APORT1XCH4, opaPosSelAPORT1XCH6 = VDAC_OPA_MUX_POSSEL_APORT1XCH6, opaPosSelAPORT1XCH8 = VDAC_OPA_MUX_POSSEL_APORT1XCH8, opaPosSelAPORT1XCH10 = VDAC_OPA_MUX_POSSEL_APORT1XCH10, opaPosSelAPORT1XCH12 = VDAC_OPA_MUX_POSSEL_APORT1XCH12, opaPosSelAPORT1XCH14 = VDAC_OPA_MUX_POSSEL_APORT1XCH14, opaPosSelAPORT1XCH16 = VDAC_OPA_MUX_POSSEL_APORT1XCH16, opaPosSelAPORT1XCH18 = VDAC_OPA_MUX_POSSEL_APORT1XCH18, opaPosSelAPORT1XCH20 = VDAC_OPA_MUX_POSSEL_APORT1XCH20, opaPosSelAPORT1XCH22 = VDAC_OPA_MUX_POSSEL_APORT1XCH22, opaPosSelAPORT1XCH24 = VDAC_OPA_MUX_POSSEL_APORT1XCH24, opaPosSelAPORT1XCH26 = VDAC_OPA_MUX_POSSEL_APORT1XCH26, opaPosSelAPORT1XCH28 = VDAC_OPA_MUX_POSSEL_APORT1XCH28, opaPosSelAPORT1XCH30 = VDAC_OPA_MUX_POSSEL_APORT1XCH30, opaPosSelAPORT2XCH1 = VDAC_OPA_MUX_POSSEL_APORT2XCH1, opaPosSelAPORT2XCH3 = VDAC_OPA_MUX_POSSEL_APORT2XCH3, opaPosSelAPORT2XCH5 = VDAC_OPA_MUX_POSSEL_APORT2XCH5, opaPosSelAPORT2XCH7 = VDAC_OPA_MUX_POSSEL_APORT2XCH7, opaPosSelAPORT2XCH9 = VDAC_OPA_MUX_POSSEL_APORT2XCH9, opaPosSelAPORT2XCH11 = VDAC_OPA_MUX_POSSEL_APORT2XCH11, opaPosSelAPORT2XCH13 = VDAC_OPA_MUX_POSSEL_APORT2XCH13, opaPosSelAPORT2XCH15 = VDAC_OPA_MUX_POSSEL_APORT2XCH15, opaPosSelAPORT2XCH17 = VDAC_OPA_MUX_POSSEL_APORT2XCH17, opaPosSelAPORT2XCH19 = VDAC_OPA_MUX_POSSEL_APORT2XCH19, opaPosSelAPORT2XCH21 = VDAC_OPA_MUX_POSSEL_APORT2XCH21, opaPosSelAPORT2XCH23 = VDAC_OPA_MUX_POSSEL_APORT2XCH23, opaPosSelAPORT2XCH25 = VDAC_OPA_MUX_POSSEL_APORT2XCH25, opaPosSelAPORT2XCH27 = VDAC_OPA_MUX_POSSEL_APORT2XCH27, opaPosSelAPORT2XCH29 = VDAC_OPA_MUX_POSSEL_APORT2XCH29, opaPosSelAPORT2XCH31 = VDAC_OPA_MUX_POSSEL_APORT2XCH31, opaPosSelAPORT3XCH0 = VDAC_OPA_MUX_POSSEL_APORT3XCH0, opaPosSelAPORT3XCH2 = VDAC_OPA_MUX_POSSEL_APORT3XCH2, opaPosSelAPORT3XCH4 = VDAC_OPA_MUX_POSSEL_APORT3XCH4, opaPosSelAPORT3XCH6 = VDAC_OPA_MUX_POSSEL_APORT3XCH6, opaPosSelAPORT3XCH8 = VDAC_OPA_MUX_POSSEL_APORT3XCH8, opaPosSelAPORT3XCH10 = VDAC_OPA_MUX_POSSEL_APORT3XCH10, opaPosSelAPORT3XCH12 = VDAC_OPA_MUX_POSSEL_APORT3XCH12, opaPosSelAPORT3XCH14 = VDAC_OPA_MUX_POSSEL_APORT3XCH14, opaPosSelAPORT3XCH16 = VDAC_OPA_MUX_POSSEL_APORT3XCH16, opaPosSelAPORT3XCH18 = VDAC_OPA_MUX_POSSEL_APORT3XCH18, opaPosSelAPORT3XCH20 = VDAC_OPA_MUX_POSSEL_APORT3XCH20, opaPosSelAPORT3XCH22 = VDAC_OPA_MUX_POSSEL_APORT3XCH22, opaPosSelAPORT3XCH24 = VDAC_OPA_MUX_POSSEL_APORT3XCH24, opaPosSelAPORT3XCH26 = VDAC_OPA_MUX_POSSEL_APORT3XCH26, opaPosSelAPORT3XCH28 = VDAC_OPA_MUX_POSSEL_APORT3XCH28, opaPosSelAPORT3XCH30 = VDAC_OPA_MUX_POSSEL_APORT3XCH30, opaPosSelAPORT4XCH1 = VDAC_OPA_MUX_POSSEL_APORT4XCH1, opaPosSelAPORT4XCH3 = VDAC_OPA_MUX_POSSEL_APORT4XCH3, opaPosSelAPORT4XCH5 = VDAC_OPA_MUX_POSSEL_APORT4XCH5, opaPosSelAPORT4XCH7 = VDAC_OPA_MUX_POSSEL_APORT4XCH7, opaPosSelAPORT4XCH9 = VDAC_OPA_MUX_POSSEL_APORT4XCH9, opaPosSelAPORT4XCH11 = VDAC_OPA_MUX_POSSEL_APORT4XCH11, opaPosSelAPORT4XCH13 = VDAC_OPA_MUX_POSSEL_APORT4XCH13, opaPosSelAPORT4XCH15 = VDAC_OPA_MUX_POSSEL_APORT4XCH15, opaPosSelAPORT4XCH17 = VDAC_OPA_MUX_POSSEL_APORT4XCH17, opaPosSelAPORT4XCH19 = VDAC_OPA_MUX_POSSEL_APORT4XCH19, opaPosSelAPORT4XCH21 = VDAC_OPA_MUX_POSSEL_APORT4XCH21, opaPosSelAPORT4XCH23 = VDAC_OPA_MUX_POSSEL_APORT4XCH23, opaPosSelAPORT4XCH25 = VDAC_OPA_MUX_POSSEL_APORT4XCH25, opaPosSelAPORT4XCH27 = VDAC_OPA_MUX_POSSEL_APORT4XCH27, opaPosSelAPORT4XCH29 = VDAC_OPA_MUX_POSSEL_APORT4XCH29, opaPosSelAPORT4XCH31 = VDAC_OPA_MUX_POSSEL_APORT4XCH31, opaPosSelDisable = VDAC_OPA_MUX_POSSEL_DISABLE, opaPosSelDac = VDAC_OPA_MUX_POSSEL_DAC, opaPosSelPosPad = VDAC_OPA_MUX_POSSEL_POSPAD, opaPosSelOpaIn = VDAC_OPA_MUX_POSSEL_OPANEXT, opaPosSelResTap = VDAC_OPA_MUX_POSSEL_OPATAP } |
enum | OPAMP_PrsMode_TypeDef { opaPrsModeDefault = VDAC_OPA_CTRL_PRSMODE_DEFAULT, opaPrsModePulsed = VDAC_OPA_CTRL_PRSMODE_PULSED, opaPrsModeTimed = VDAC_OPA_CTRL_PRSMODE_TIMED } |
enum | OPAMP_PrsOut_TypeDef { opaPrsOutDefault = VDAC_OPA_CTRL_PRSOUTMODE_DEFAULT, opaPrsOutWarm = VDAC_OPA_CTRL_PRSOUTMODE_WARM, opaPrsOutOutValid = VDAC_OPA_CTRL_PRSOUTMODE_OUTVALID } |
enum | OPAMP_PrsSel_TypeDef { opaPrsSelDefault = VDAC_OPA_CTRL_PRSSEL_DEFAULT, opaPrsSelCh0 = VDAC_OPA_CTRL_PRSSEL_PRSCH0, opaPrsSelCh1 = VDAC_OPA_CTRL_PRSSEL_PRSCH1, opaPrsSelCh2 = VDAC_OPA_CTRL_PRSSEL_PRSCH2, opaPrsSelCh3 = VDAC_OPA_CTRL_PRSSEL_PRSCH3, opaPrsSelCh4 = VDAC_OPA_CTRL_PRSSEL_PRSCH4, opaPrsSelCh5 = VDAC_OPA_CTRL_PRSSEL_PRSCH5, opaPrsSelCh6 = VDAC_OPA_CTRL_PRSSEL_PRSCH6, opaPrsSelCh7 = VDAC_OPA_CTRL_PRSSEL_PRSCH7, opaPrsSelCh8 = VDAC_OPA_CTRL_PRSSEL_PRSCH8, opaPrsSelCh9 = VDAC_OPA_CTRL_PRSSEL_PRSCH9, opaPrsSelCh10 = VDAC_OPA_CTRL_PRSSEL_PRSCH10, opaPrsSelCh11 = VDAC_OPA_CTRL_PRSSEL_PRSCH11 } |
enum | OPAMP_ResInMux_TypeDef { opaResInMuxDisable = VDAC_OPA_MUX_RESINMUX_DISABLE, opaResInMuxOpaIn = VDAC_OPA_MUX_RESINMUX_OPANEXT, opaResInMuxNegPad = VDAC_OPA_MUX_RESINMUX_NEGPAD, opaResInMuxPosPad = VDAC_OPA_MUX_RESINMUX_POSPAD, opaResInMuxComPad = VDAC_OPA_MUX_RESINMUX_COMPAD, opaResInMuxCenter = VDAC_OPA_MUX_RESINMUX_CENTER, opaResInMuxVss = VDAC_OPA_MUX_RESINMUX_VSS } |
enum | OPAMP_ResSel_TypeDef { opaResSelDefault = VDAC_OPA_MUX_RESSEL_DEFAULT, opaResSelR2eq0_33R1 = VDAC_OPA_MUX_RESSEL_RES0, opaResSelR2eqR1 = VDAC_OPA_MUX_RESSEL_RES1, opaResSelR1eq1_67R1 = VDAC_OPA_MUX_RESSEL_RES2, opaResSelR2eq2_2R1 = VDAC_OPA_MUX_RESSEL_RES3, opaResSelR2eq3R1 = VDAC_OPA_MUX_RESSEL_RES4, opaResSelR2eq4_33R1 = VDAC_OPA_MUX_RESSEL_RES5, opaResSelR2eq7R1 = VDAC_OPA_MUX_RESSEL_RES6, opaResSelR2eq15R1 = VDAC_OPA_MUX_RESSEL_RES7 } |
enum | OPAMP_TypeDef { OPA0 = 0, OPA1 = 1 } |
Functions | |
void | OPAMP_Disable (VDAC_TypeDef *dac, OPAMP_TypeDef opa) |
Disable an Operational Amplifier. | |
void | OPAMP_Enable (VDAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef *init) |
Configure and enable an Operational Amplifier. | |
Macro Definition Documentation
#define OPA_INIT_CASCADED_INVERTING_OPA0 |
Configuration of OPA0 in cascaded inverting amplifier mode.
Definition at line 1102
of file em_opamp.h
.
#define OPA_INIT_CASCADED_INVERTING_OPA1 |
Configuration of OPA1 in cascaded inverting amplifier mode.
Definition at line 1130
of file em_opamp.h
.
#define OPA_INIT_CASCADED_INVERTING_OPA2 |
Configuration of OPA2 in cascaded inverting amplifier mode.
Definition at line 1158
of file em_opamp.h
.
#define OPA_INIT_CASCADED_INVERTING_OPA3 |
Configuration of OPA3 in cascaded inverting amplifier mode.
Definition at line 1186
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA0 |
Configuration of OPA0 in cascaded non-inverting amplifier mode.
Definition at line 990
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA1 |
Configuration of OPA1 in cascaded non-inverting amplifier mode.
Definition at line 1018
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA2 |
Configuration of OPA2 in cascaded non-inverting amplifier mode.
Definition at line 1046
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA3 |
Configuration of OPA3 in cascaded non-inverting amplifier mode.
Definition at line 1074
of file em_opamp.h
.
#define OPA_INIT_DIFF_DRIVER_OPA0 |
Configuration of OPA0 in two-opamp differential driver mode.
Definition at line 1214
of file em_opamp.h
.
#define OPA_INIT_DIFF_DRIVER_OPA1 |
Configuration of OPA1 in two-opamp differential driver mode.
Definition at line 1242
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA0 |
Configuration of OPA0 in three-opamp differential receiver mode.
Definition at line 1270
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA1 |
Configuration of OPA1 in three-opamp differential receiver mode.
Definition at line 1298
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA2 |
Configuration of OPA2 in three-opamp differential receiver mode.
Definition at line 1326
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA3 |
Configuration of OPA3 in three+one opamp differential receiver mode. In this configuration, OPA3 is a second single-ended output amplifier.
Definition at line 1355
of file em_opamp.h
.
#define OPA_INIT_INSTR_AMP_OPA0 |
Configuration of OPA0 in two-opamp instrumentation amplifier mode.
Definition at line 1383
of file em_opamp.h
.
#define OPA_INIT_INSTR_AMP_OPA1 |
Configuration of OPA1 in two-opamp instrumentation amplifier mode.
Definition at line 1411
of file em_opamp.h
.
#define OPA_INIT_INVERTING |
Configuration of OPA in inverting amplifier mode.
Definition at line 962
of file em_opamp.h
.
#define OPA_INIT_NON_INVERTING |
Configuration of OPA in non-inverting amplifier mode.
Definition at line 934
of file em_opamp.h
.
#define OPA_INIT_UNITY_GAIN |
Configuration of OPA in unity gain voltage follower mode.
Definition at line 906
of file em_opamp.h
.
Enumeration Type Documentation
enum OPAMP_DrvStr_Typedef |
Definition at line 427
of file em_opamp.h
.
enum OPAMP_NegSel_TypeDef |
OPAMP negative terminal input selection values.
Definition at line 102
of file em_opamp.h
.
OPAMP output terminal selection values.
Definition at line 262
of file em_opamp.h
.
enum OPAMP_PosSel_TypeDef |
OPAMP positive terminal input selection values.
Definition at line 181
of file em_opamp.h
.
Definition at line 387
of file em_opamp.h
.
enum OPAMP_PrsOut_TypeDef |
enum OPAMP_PrsSel_TypeDef |
Definition at line 397
of file em_opamp.h
.
OPAMP resistor ladder input selector values.
Definition at line 366
of file em_opamp.h
.
enum OPAMP_ResSel_TypeDef |
OPAMP gain values.
Definition at line 341
of file em_opamp.h
.
enum OPAMP_TypeDef |
Function Documentation
void OPAMP_Disable | ( | VDAC_TypeDef * | dac, |
OPAMP_TypeDef | opa |
||
) |
Disable an Operational Amplifier.
- Parameters
-
[in] dac
A pointer to the VDAC peripheral register block. [in] opa
Selects an OPA, valid values are OPA0, OPA1, and OPA2.
Definition at line 259
of file em_opamp.c
.
Referenced by OPAMP_Enable().
void OPAMP_Enable | ( | VDAC_TypeDef * | dac, |
OPAMP_TypeDef | opa, |
||
const OPAMP_Init_TypeDef * | init |
||
) |
Configure and enable an Operational Amplifier.
- Note
- The value of the alternate output enable bit mask in the OPAMP_Init_TypeDef structure should consist of one or more of the VDAC_OPA_OUT_ALTOUTPADEN_OUT[output#] flags (defined in <part_name>_vdac.h) OR'ed together.
- VDAC_OPA_OUT_ALTOUTPADEN_OUT0
- VDAC_OPA_OUT_ALTOUTPADEN_OUT1
- VDAC_OPA_OUT_ALTOUTPADEN_OUT2
- VDAC_OPA_OUT_ALTOUTPADEN_OUT3
- VDAC_OPA_OUT_ALTOUTPADEN_OUT4
init.outPen = VDAC_OPA_OUT_ALTOUTPADEN_OUT0 | VDAC_OPA_OUT_ALTOUTPADEN_OUT4;
- Parameters
-
[in] dac
A pointer to the VDAC peripheral register block. [in] opa
Selects an OPA, valid values are OPA0, OPA1, and OPA2. [in] init
A pointer to a structure containing OPAMP initialization information.
Definition at line 370
of file em_opamp.c
.
References OPAMP_Init_TypeDef::aportXMasterDisable, OPAMP_Init_TypeDef::aportYMasterDisable, OPAMP_Init_TypeDef::defaultOffsetN, OPAMP_Init_TypeDef::defaultOffsetP, OPAMP_Init_TypeDef::drvStr, OPAMP_Init_TypeDef::gain3xEn, OPAMP_Init_TypeDef::halfDrvStr, OPAMP_Init_TypeDef::hcmDisable, OPAMP_Init_TypeDef::negSel, OPAMP_Init_TypeDef::offsetN, OPAMP_Init_TypeDef::offsetP, OPA0, OPA1, opaDrvStrHighAccHighStr, opaDrvStrHigherAccHighStr, opaDrvStrLowAccLowStr, opaDrvStrLowerAccLowStr, OPAMP_Disable(), opaNegSelResTap, opaPosSelResTap, OPAMP_Init_TypeDef::outMode, OPAMP_Init_TypeDef::outPen, OPAMP_Init_TypeDef::posSel, OPAMP_Init_TypeDef::prsEn, OPAMP_Init_TypeDef::prsMode, OPAMP_Init_TypeDef::prsOutSel, OPAMP_Init_TypeDef::prsSel, OPAMP_Init_TypeDef::resInMux, OPAMP_Init_TypeDef::resSel, OPAMP_Init_TypeDef::settleTime, OPAMP_Init_TypeDef::startupDly, SYSTEM_GetCalibrationValue(), and OPAMP_Init_TypeDef::ugBwScale.