Add comments about product categories to io-* features

stm32-rs / stm32l0xx-hal

A hardware abstraction layer (HAL) for the STM32L0 series microcontrollers written in Rust

BSD Zero Clause License

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Add comments about product categories to io-* features #89

Closed dbrgn closed 4 years ago

dbrgn commented 4 years ago

Initially I was fairly confused on what those "GPIO IP versions" actually mean, but now I'm pretty sure they correspond to the product categories as per "1.4 Product category definition" in the family reference manual.

For example, in the stm32l0x1 Reference Manual:

2020-04-04-001320_1297x835_scrot

arkorobotics commented 4 years ago

Rebase?

dbrgn commented 4 years ago

@arkorobotics done!

arkorobotics commented 4 years ago

Thanks!