Author: AmyW_86 Version: **
Does the Audio DAC of S6J3200 support differential output?
Yes, the Audio DAC in S6J3200 supports differential output when using the Bridge-tied Load (BTL) method, where the output signals DAC_L and DAC_R have a 180o phase difference. The DAC Polarity Configuration Register (DPCR) of the Audio DAC module should be set to 01b or 10b to reverse the polarity of the upper (Left_DATA) or lower (Right_DATA) 16 bits when BTL is applied.
Figure 1. Example of DAC Differential Output
For more information about BTL, see S6J3200 Hardware Manual.