DSP (Description)
TI’s TMS320C54xx DSP chip
16 bit fixed point, .45 mW, or at 120 mW at 200 MIPS
high-end VC5420:
- two parallel 100 MIPS DSP cores at 1.8V
hardware:
- Three 16-bit data buses and one 16-bit program memory bus
- 40 bit ACC with 40 bit barrel shifter and two independant accumulators
- A single cycle non-pipelined MAC
- Single-instruction repeat and block-repeat operations for program code
- Block-memory-move instructions for better program and data management
- Arithmetic instructions with parallel store and parallel load
- Up to 168K single access RAM Up to 32K dual access RAM
- Up to 8M word external memory access
- Six channel DMA controller