SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
The McASP receive formatting unit consists of three stages:
Figure 24-125 shows the receive format unit (RFU).
The McASP receiver supports serial formats of:
Hardware support for these serial formats comes from the programmable options in the receive bitstream format register - MCASP_RXFMT:
As shown on Figure 24-125, the data processed in the RFU can be output to host CPU through the configuration port (CFG) or the data port (DATA). The selection is made through the MCASP_RXFMT[3] RBUSEL bit. According to port type selected, data transfer has different behaviour. For more details, refer to the Section 24.6.4.10.1.3, Transfers Through the DATA Port, and Section 24.6.4.10.1.4, Transfers Through the Configuration (CFG) Bus.