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karthik.b
karthik.b
Associate II
October 3, 2020
Question

is there any STM32 controller with FPU ? with out changing the hardware i need to replace stm32f030c8t6 with new one with FPU ? .

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5 replies

Tesla DeLorean
Tesla DeLorean
Guru
October 3, 2020

Double or Single Precision?

Is that a 144-pin device? Guessing not

Floating point is done in software on CM0 and CM3 parts.

The CM4F has a single precision FPU​ that does some basic math functions, the remainder are handled in the library code.

Without some more specific reasoning, it sounds like you need a redesign.​

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karthik.b
karthik.bAuthor
Associate II
October 5, 2020

Thanks you clive1

TDK
TDK
October 3, 2020

There aren't any that are pin compatible. There are some that are close but have an additional VDD/VSS pair. See the "Pinout compatible" search feature in CubeMX.

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karthik.b
karthik.bAuthor
Associate II
October 5, 2020
Thanks TDK community
Karthik.B
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