i2c vs smbus

linux 资料

对i2c和smbus的协议进行了总结提炼
https://docs.kernel.org/i2c/index.html

i2c和smbus的时钟和电气特性差异

https://www.totalphase.com/support/articles/200349186-differences-between-i2c-and-smbus/

SPEC

I2C: https://web.archive.org/web/20210813122132/https://www.nxp.com/docs/en/user-guide/UM10204.pdf
SMBUS: http://www.smbus.org/specs/smbus20.pdf