Multiple use of microcontroller pad
First Claim
Patent Images
1. A microcontroller, comprising:
- a circuit comprising an analog circuit and a digital circuit wherein said analog circuit comprises a dedicated analog input and a dedicated analog output and said digital circuit comprises a dedicated digital input and a dedicated digital output;
a wirebond pad;
a processor; and
a user selectable switching circuit that selectively connects at least one of said dedicated analog input, said dedicated analog output, said dedicated digital input and said dedicated digital output to the wirebond pad under control of the processor after packaging of said circuit.
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Abstract
A circuit arrangement permits a microcontroller wirebond pad to be configured to be an analog or digital input or output. The circuit arrangement uses any of a plurality of switching configurations to selectively determine the use of the wirebond pad under control of the microcontroller'"'"'s processor. The microcontroller can be configured using configurable analog and configurable digital blocks to perform any of a plurality of functions with certain of the pinouts determined under program control.
161 Citations
19 Claims
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1. A microcontroller, comprising:
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a circuit comprising an analog circuit and a digital circuit wherein said analog circuit comprises a dedicated analog input and a dedicated analog output and said digital circuit comprises a dedicated digital input and a dedicated digital output; a wirebond pad; a processor; and a user selectable switching circuit that selectively connects at least one of said dedicated analog input, said dedicated analog output, said dedicated digital input and said dedicated digital output to the wirebond pad under control of the processor after packaging of said circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification