What are the new modes that are introduced in Link Port for ADSP-SC59x?

The conventional Link Port mode is 8 bit mode which is Single data rate

New modes that have been introduced are:

4-bit Single data rate - uses D0,D1,D2,D3 data pins

2-bit Single data rate - uses D0,D1 data pins

4-bit Double data rate - uses D0,D1,D2,D3 data pins

2-bit Double data rate - uses D0,D1 data pins

In Double data rate data is sampled both on rising and falling edge 

The conventional Link Port mode is 8 bit mode which is Single data rate

New modes that have been introduced are:

4-bit Single data rate - uses D0,D1,D2,D3 data pins

2-bit Single data rate - uses D0,D1 data pins

4-bit Double data rate - uses D0,D1,D2,D3 data pins

2-bit Double data rate - uses D0,D1 data pins

In Double data rate data is sampled both on rising and falling edge