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CP2114-CS42L55EK

CP2114 EVALUATION KIT USER’S GUIDE

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CP2114-EK

4. DAC Configuration Application (AN721SW)

The DAC Configuration utility is an application within the AN721 software (AN721SW) package that allows audio

configuration strings to be sent to the CP2114 one-time programmable memory or RAM. The audio string is used

by the CP2114 to configure the DAC/CODEC. To access the DAC Configuration utility, run the AN721SW and

connect to the CP2114 device.

After connecting to the device, select Advanced Configuration, then DAC Configuration. After this, the DAC

Configuration utility shown in Figure 5 will appear. This AN721SW package is available at www.silabs.com/CP2114.

Figure 5. AN721: DAC Configuration

4.1. Application Command Descriptions

4.1.1. Get CP2114 Capabilities

This button will report the current configuration of the one-time programmable memory. With the default pin

configuration and no jumpers installed on GPIO.5, GPIO.6, GPIO.7, or GPIO.8, the utility will display the following:

* CP2114 Caps

AvailableBootIndices: 0x20

AvailableOtpConfigs: 0x1D

CurrentBootConfig: 0xFF

AvailableOtpConfigSpace: 0x1532

The AvailableBootIndices: 0x20 parameter indicates that all 32 boot index slots are available for programming.

The AvailableOtpConfigs: 0x1D parameter indicates that there are 29 CP2114 configurations available in the

one-time programmable memory.

Rev. 0.1

5

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