Hi Usman, In your original post you mentioned MSP430F1232 instead of the MSP430F2132 so that is why I was confused. "Using the intrinsic functions allows the C programmer to take advantage of these instructions, maximizing memory and power efficiency." This is from section 3.3 in this application report: www.ti.com/.../slaa294a.pdf Using those intrinsic functions will put the MCU in LPM0 while it is waiting for the interrupt thus saving power. Performing float operations requires more processing than other math operations. For some of our MSP devices, we have the Floating Point Math Library which improves performance: www.ti.com/.../mspmathlib Also, the MSP432 contains an FPU which greatly improves performance with floating point operations. Regards, Akash Patel
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