▪ Instruction length: 16/32 bits
▪ Global register: 32 bits x 16,
Control register: 32 bits x 6,
System register: 32 bits x 4
▪ GR for DSP: 40 bits x 2, 32 bits x 6, CR for
DSP CR: 32 bits x 1
▪ Multiply-add calculation specification
− Internal bus: 32 bits-BUS x 1, 16 bits-
BUS x 2
− Multiply-accumulate instruction:
Integer: Single precision: 2-3 cycles,
double precision: 4-6 cycles, Fixed
Point: Single precision: 1 cycle