Microcontroller incorporating an enhanced peripheral controller

Details Microcontroller incorporating an enhanced peripheral controller Microcontroller incorporating an enhanced peripheral controller

1998-05-14

2000-11-07

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

710 10, 713100, 326 39, G06F 1300

Patent

active

061450200

ABSTRACT:
The present invention is an enhanced peripheral controller communicating between a microcontroller and multiple peripherals that increases the speed with which configuration data sets are loaded. The enhanced peripheral controller includes a programmable logic array (PLA) and an FeRAM array. A reconfigurable peripheral controller is programmed onto the programmable logic array from a configuration data set for one of multiple peripherals. The reconfigurable peripheral controller is reprogrammed each time a new peripheral is connected to the microcontroller. The FeRAM array contains the configuration data set for programming the reconfigurable peripheral controller onto the programmable logic array. The FeRAM will receive a different configuration data set for each different peripheral to be programmed onto the PLA. Because the FeRAM operates at the speed of RAM, it receives the configuration data set for each peripheral on the fly as the microcontroller operates. In addition, the microcontroller and FeRAM cooperate to reprogram the reconfigurable peripheral controller on the fly for each different peripheral.

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Mead and Conway, Introduction to VLSI Systems, pp. 237-242.

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