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What is LPC2148 PINSEL Function Selection Guide about?

The document discusses selecting pin functions on an ARM7 microcontroller using PINSEL registers. It explains that pins can support multiple functions through multiplexing. The PINSEL registers are used to select which function each pin performs. PINSEL0 and PINSEL1 are used to select functions for GPIO pins 0-15 and 16-31 respectively. The 2-bit values 00, 01, 10, 11 map to the primary, first alternate, second alternate, and third alternate functions. Examples are given to configure a pin for the analog to

Author

ultimatekp144

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EN