dsPIC33CK256MP508 - DMA issues because variables were located in Y Data RAM (mssl)

Hi, we have prototype electronics with dsPIC33CK128MP206 and dsPIC33CK256MP506. The dsPIC33CK256MP506 has the latest silicon revision B3 and was equipped because the I2C module of the dsPIC33CK128MP206 (silicon revision A1) does not work. Unfortunately, w..