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Reverse Engineering the Microchip CLB
I was disappointed that Microchip did not document the CLB format so I decided to reverse engineer it myself!
Microchip added a very cool peripheral called the Configurable Logic Block (CLB) to there new PIC16F13145 microcontroller family. It’s essentially a small FPGA(32 LUTs) that can connect to the internals of the chip. The [CLB] Interface does not appear as an SFR in the Register Map and is not directly user-accessible; it is accessible only through a programming system such as Microchip MPLAB® Integrated Development Environment (IDE) that supports programming the CLB.
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