SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
The McASP receiver also supports a 384 time slot TDM mode (DIR mode), to support S/PDIF receiver ICs whose natural block (block corresponds to McASP frame) size is 384 samples. The receive TDM time slot register (MCASP_RXTDM) should be programmed to all 1s during reception of a DIR block. Other TDM functionalities (for example, inactive slots) are not supported (only the slot counter counts the 384 subframes in a block). To receive data in DIR mode, the following pins are typically needed: