SPRUIL1D May 2019 – December 2024 DRA829J , DRA829J-Q1 , DRA829V , DRA829V-Q1 , TDA4VM , TDA4VM-Q1
The R5FSS has four clock inputs:
CPU0_CLK and CPU1_CLK are the clocks for all of the internal CPU logic. They are provided separately so that:
CPU0_ICLK and CPU1_ICLK are the clocks for all of the interfaces for their associated CPU (for example: VBUSM and VBUSP bridges, exception generation, debug and trace logic). They are provided separately so that CPU1_ICLK can be gated if CPU1 is in a lower power state, while CPU0 is ON, or when in lock mode.
The interface clock is an integer ratio of the CPU clock. The exact ratio for each R5F is provided in Section 6.3.2.