L2 Banking Scheme Implemented on DM6446

Hi, all:

1.  What's the banking scheme implemented of the level two memory on DM6446?

    4 x 128-bit banks, or 2 x 128-bit banks, or 1 x 256-bit banks?

2.  Is the level two memory of DM6446 work on 198 MHz with 594 MHz core?

thanks a lot!