EDSADC Peripheral Configuration

Map EDSADC peripherals in Infineon AURIX model to peripheral registers in MCU

Since R2024b

Description

View and edit the map of peripherals in the Infineon^® AURIX™ model to the hardware peripherals.

Using the Hardware Mapping tool, you can:

• View and edit configuration parameters of the EDSADC block.

• Check for conflicts, if any, between peripherals.

Open the EDSADC Peripheral Configuration

In the Hardware tab, click Hardware Mapping.

Parameters

Global Parameters > Model Configuration

Supply voltage — Voltage configuration of EDSADC module

Automatic (default) | 5V | 3.3V

Specify the voltage configuration of the EDSADC module.

Dithering levels — Dithering intensity level

Minimum (default) | Low | Medium | High

Specify the dithering intensity (white noise).

Channel

Modulator Type — Type of modulator for delta-sigma conversion

On-chip (default) | External

Select the type of modulator that the EDSADC module utilizes for delta-sigma conversion.

ADC reference voltage(Vref) (Volts) — Reference voltage in ADC

3.3 (default) | 5

Select the reference voltage that determines the total voltage range that the ADC can convert into a digital value without saturating.

ADC count for voltage reference — Maximum count for full-scale voltage

25000 (default) | scalar in the range (1,32767)

Maximum count for full-scale voltage.

Note

When you configure for an unsigned datatype, the result will be a signed conversion + 32767. For example, for 3.3V, the converted value for signed operation is 3.3/5*25000=16500 and for unsigned datatype, the value is 16500+32767=49267.

Channel > Common mode voltage configuration

Enable fractional reference voltage — Option to specify fractional reference voltage

Vref/2 (default) | Vref/4 | Vref/8 | Disabled

Disable or specify the fractional reference voltage for delta-sigma conversion.

Dependencies

To enable this parameter, set the Modulator type parameter to on-chip.

Channel > Modulator

Clock source — Clock source for external modulator

Internal (default) | External

Specify the clock source for the external modulator.

Dependencies

To enable this parameter, set the Modulator type parameter to External.

Clock frequency(MHz) — Clock frequency for external and on-chip modulators

40 (default) | 26.6667 | 20 | 16 | 13.3333 | 11.4286 | 10 | 8.8889

Specify clock frequency for the external and on-chip modulators.

Data pin — Pin number for data signal

P00_10 (default) | pin numbers

Specify the pin number for the data signal.

Dependencies

To enable this parameter, set the Modulator type parameter to External.

Clock pin — Pin number for clock signal

P00_1 (default) | pin numbers

Specify pin number for clock signal.

Note

• If you set Clock source to External, the modulator clock pin inputs the clock signal generated by the external modulator.

• If you set Clock source to Internal, the modulator clock pin outputs the internally generated clock signal, which can be used by external modulator.

Dependencies

To enable this parameter, set the Modulator type parameter to External.

Data capture on — Trigger edge for data capture

Any-edge (default) | Falling-edge | Rising-edge | Every 2nd falling-edge | Every 2nd rising-edge

Specify the type of trigger edge to capture data.

Dependencies

To enable this parameter, set the Modulator type parameter to External.

Modulator gain factor — Gain of external modulator

0.6945 (default) | scalar in the range (0,1)

Specify gain factor for the external modulator.

Dependencies

To enable this parameter, set the Modulator type parameter to External.

Clock sync delay cycle — Option to select clock sync delay for on-chip modulator

No delay (default) | scalar in the range (1,7)

Specify the clock sync delay for the on-chip modulator.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip.

Positive input type — Type of positive input

Input-pin (default) | Supply voltage | Ground | Common mode voltage

Specify the type of positive input for delta-sigma conversion.

Note

The EDSADC module supports differential inputs where you can configure both positive and negative inputs accordingly. In case of single-ended applications, you can configure the unused pin with ground.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip.

Select positive pin — pin number for positive input

AN0 (default) | pin numbers

Specify the pin number for the positive input.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip and Positive input type parameter to Input-pin.

Negative input type — Type of negative input

Ground (default) | Input-pin | Supply voltage | Common mode voltage

Specify the type of negative input for delta-sigma conversion.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip.

Select negative pin — Pin number for negative input

AN1 (default) | AN15

Specify the pin number of the negative input.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip and Negative input type parameter to Input-pin.

Channel > Pin configuration

Input mode — Configuration mode of EDSADC input pin

Tri-state (default) | Pull-up | Push-down

Select the configuration mode of EDSADC input pin.

Speed — Speed for EDSADC pin

Speed-1 (default) | Speed-2 | Speed-3 | Speed-4

Select the pin speed for EDSADC.

Voltage level — Voltage level for EDSADC pin

Automatic (default) | TTL-5V | TTL-3.3V

Select the voltage level for the EDSADC pin.

Enable dithering — Option to add dithering

off (default) | on

Add dithering (white noise) at the intensity level specified in the Dithering levels parameter.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip.

Enable auto-calibration when not converting ADC — Option to enable auto-calibration

off (default) | on

Select to enable auto-calibration, if required.

Dependencies

To enable this parameter, set the Modulator type parameter to On-chip.

Channel > Trigger configuration

Trigger source — Hardware trigger source for EDSADC channel

GTM Edsadc trigger 0 (default) | GTM Edsadc trigger #

Specify the hardware trigger source for the EDSADC channel. The trigger signals options vary based on the choice of Timer unit and Channel # parameters in PWM Peripheral Configuration tool.

For more information on EDSADC trigger signals, see EDSADC Trigger Signals.

Timestamp

Timestamp clock frequency(MHz) — Frequency of timestamp measurement

40 (default) | 20 | 10 | 5

Specify the frequency of timestamp measurement.

Dependencies

This parameter appears only if you select the Enable timestamp parameter in the EDSADC block in the Simulink^® model.

Timestamp trigger when — Hardware trigger edge for timestamp measurement

Both-edge (default) | Falling-edge | Rising-edge

Specify the hardware trigger edge for the timestamp measurement.

Dependencies

This parameter appears only if you select the Enable timestamp parameter in the EDSADC block in the Simulink model.

Filter

Enable pre-filter — Option to enable CIC pre-filter

off (default) | on

Select to enable a pre-filter to reduce the data rate for modular frequencies above 20 MHz. This pre-filter is a CIC filter with the fixed decimation rate of 2.

Filter > CIC filter configuration

Decimation factor(4-512) — Decimation factor for EDSADC conversion

128 (default) | scalar in the range (4,512)

Decimation factor for the EDSADC conversion. A higher value improves accuracy at the cost of additional time.

Start value(4-Decimation factor) — Start value of CIC filter

128 (default) | scalar in the range (4, value of Decimation factor parameter)

Specify the start value of the CIC filter.

Filter > Overshoot

Enable overshoot compensation — Option to enable overshoot compensation

off (default) | on

Select to enable an overshoot compensation filter before passing the CIC filter result to FIR filters.

Filter > FIR Filter

Enable FIR0 filter — Option to enable FIR0 filter

off (default) | on

Select to enable or bypass the FIR0 filter. The FIR0 filter attenuates the high frequency components that passed the CIC filter.

FIR1 filter — Option to enable FIR filter with decimation specification

Disable (default) | Enable with 2:1 decimation | Enable with 1:1 decimation

Select to enable an FIR1 filter with decimation options.

Filter > Ripple compensation

Enable ripple compensation — Option to enable ripple compensation

off (default) | on

Select to enable ripple compensation to attenuate low-frequency noise.

Filter > Offset Filter

Offset compensation — Offset compensation for EDSADC conversion

Configure (default) | rate 1 | rate 2 | rate 3 | rate 4 | rate 5 | rate 6 | rate 7

Specify offset compensation for EDSADC conversion.

Integrator

Enable integrator — Option to enable integrator module for EDSADC conversion

off (default) | on

Select to enable the integrator module for EDSADC conversion.

Enable external trigger control to start integrator — Option to enable external trigger control to start integrator

off (default) | on

Select to enable trigger control to start the integrator module.

Dependencies

To enable this parameter, select the Enable integrator parameter.

Integrator start trigger when — Hardware trigger edge to start integration window

Falling-edge (default) | Rising-edge

Specify the hardware trigger edge to start integration window.

Dependencies

To enable this parameter, select the Enable integrator and Enable external trigger control to start integrator parameters.

Number of values to discard(0-63) — Number of values to discard during integration

0 (default) | scalar in the range (0,63)

Specify the number of values to discard during integration.

Dependencies

To enable this parameter, select the Enable integrator parameter.

Number of values for accumulation(1-64) — Number of values to accumulate during integration

1 (default) | scalar in the range (1,64)

Specify the number of values to consider for accumulation during integration.

Dependencies

To enable this parameter, select the Enable integrator parameter.

Restart filter chain when an integration window starts — Option to restart filter chain results when integration window starts

off (default) | on

Select to restart filter chain results when integration window starts.

Dependencies

To enable this parameter, select the Enable integrator parameter.

Enable external trigger control to stop integrator — Option to enable external trigger to control start and stop of integration window

off (default) | on

Select to enable external trigger to control start and stop of integration window.

Dependencies

To enable this parameter, select the Enable integrator parameter.

Integration cycle(1-16) — Number of integration cycles integration

1 (default) | scalar in the range (1,16)

Specify the number of integration cycles.

Dependencies

To enable this parameter, select the Enable integrator, Enable external trigger control to start integratorparameters and disable the Enable external trigger control to stop integrator parameter.

Filter > Auxiliary filter chain configuration

Auxiliary CIC filter decimation factor — Decimation factor of auxiliary filter

16 (default) | 32

Specify the decimation factor of the auxiliary CIC filter.

Dependencies

This parameter appears only if you select the Auxiliary result parameter in the EDSADC block in the Simulink model.

Boundary

Lower limit (Volts) — Lower limit for boundary band

0 (default) | scalar in the range (-5, 5)

Lower limit for the boundary band for checking the result.

Upper limit (Volts) — Upper limit for the boundary band

3.3 (default) | scalar in the range (-5, 5)

Upper limit for the boundary band for checking the result.

Event condition — Boundary condition for auxiliary interrupt event

Outside bounds (default) | Every new result | Inside bounds

Boundary condition for the auxiliary interrupt.

Events

Enable main event — Option to enable interrupt for main filter

off (default) | on

Select to enable an interrupt for the main filter.

Gate enable — Interrupt condition for main filter

Always (default) | High | Low

Select one of these options as the interrupt condition for the main filter. To limit conversion interrupts, select High or Low.

Dependencies

To enable this parameter, select the Enable main event parameter.

Enable auxiliary event — Option to enable auxiliary interrupt

off (default) | on

Select to enable the auxiliary interrupt.

Interrupt type — Type of auxiliary interrupt

Boundary event (default) | Timestamp event

Select the type of auxiliary interrupt. You can view the Timestamp event option if you select the Enable timestamp parameter in the EDSADC block in the Simulink model.

• If you enable the Auxiliary result parameter in the EDSADC block and set Interrupt type to Boundary event, then the boundary conditions set in Boundary tab apply to the auxiliary filter result.

• If you disable the Auxiliary result parameter in the EDSADC block and set Interrupt type to Boundary event, then the boundary conditions set in Boundary tab apply to the main filter result.

Version History

Introduced in R2024b