ATOP DAC (ATOP DAC STL module)

General Description

PPCA ATOP DAC R2R internal loopback self-test.

This module tests the DAC R2R functionality by setting a digital code, routing the analog output internally to the ADC via Channel 7 auxiliary mux, and verifying the ADC reading matches the expected value.

The test uses CY_DACR2R_CNFG_LOOPBACK_SINGLE_ENDED_MODE (0-3.3V) where DAC and ADC share the same reference, providing 1:1 code mapping.

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