C66x CorePac is the name used to designate the hardware that includes the following components: C66x DSP, Level 1 program (L1P) memory controller, Level 1 data (L1D) memory controller, Level 2 (L2) memory controller, Internal DMA (IDMA), external memory controller (EMC), extended memory controller (XMC), bandwidth management (BWM), interrupt controller (INTC), and powerdown controller (PDC).