Method and system of digital signal processing

A method comprising:

• receiving, with a controller, control store addresses and data path instructions in instruction sets;
• selecting, with the controller, at least one of the control store addresses based, at least in part, on a configuration of the controller;
• identifying, with the controller, one of the data path instructions according to the selected control store address;
• and
• providing, with the controller, a first portion of the identified data path instruction to an address calculation device storing filter addresses, wherein the address calculation device is configured to select one of the filer addresses with the first portion of the identified data path instruction;
• and
• providing, with the controller, a second portion of the identified data path instruction to a data path device, wherein the data path device is configured to perform signal processing operations on digital data with at least one filter coefficient located in the data path device by the selected filter address from the address calculation device and in response to the second portion of the identified data path instruction received from the controller.

An apparatus comprising:

• a control state machine capable of population with control store addresses according to instruction data received by a bus interface;
• a control store memory accessible by the control state machine, the control store memory capable of population with data path instructions indexable by one or more of the control store addresses, wherein the control state machine is configured to identify one of the control store addresses stored and select one of the data path instructions stored in the control store memory with the identified control store address;
• an address calculation device configured to store coefficient addresses and to select one of the coefficient addresses in response to a first portion of the selected data path instruction received from the control store memory;
• and
• a data path device configured to identify a location of at least one filter coefficient stored by the data path device in response to the selected coefficient address received from the address calculation device, wherein the data path device is configured to perform digital signal processing operations on digital data with the at least one filter coefficient according to a second portion of the selected data path instruction received from the control store memory.