The paper describes how bit-slice devices may be used in the implementation of a digital signal processor. It also discusses criteria which should be considered when optimizing such a processor, and suggests how futuru bit slice devices might be developed that are better suited to signal processing.
With the advent of the Am2901 four-bit microprocessor slice and the Am2909 bipolar microprogram sequencer, the design engineer can upgrade the performance of existing systems or implement new systems taking advantage of the latest state-of-the-art technology in Low-Power Schottky integrated circuits. These devices, however, utilize a new concept in machine design not familiar to many design engineers. This technique is called microprogramming.
Step Engineering of Sunnyvale, California, has recently introduced the Step-27, a new Development Station that addresses the problems of the advanced microcoder. It offers the following features unavailable in other machines:• Internal RAM with ten-nanosecond access time; the fastest Writable Control Store (WCS) available,• In-line assembler/disassembler,• Real-time emulation of 29116 and 2910,• Sixteen-level state machine, and• Array sizes up to 512 bits wide by 65K deep in either single or multiple array configurations.
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