C programming in LPC1768 With example to configure pins and to work as output and input port with simulation in keil.
Why PINSEL0-10 addresses only 16 pins because 1 pin of LPC1768 is multi-functional (upto 4 functions) hence 2 bits are required to address 4 different operation
PINSEL register is 32 bit as 1 pin need 2 bit hence PINSEL 0-10 is divided into 16 bits each for addressing pins.
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Please watch: "how to run assembly on lpc2148"
https://www.youtube.com/watch?v=772q3Wiywfs
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The book regarding the architecture of the CORTEX M3 and notes as per 15EC62 syllabus get it from below link
https://www.amazon.in/Cortex-M3-Arm-notes-15EC62-ebook/dp/B07KNRNH8C
