In the late 1990s, five car makers, a communications tools manufacturer, and what is now Freescale Semiconductor founded the LIN Consortium to develop a low-cost automotive communications standard.
Check out LIN and I2C for low speed networking needs. They are often better alternatives than SPI or CAN for many applications. The serial peripheral interface (SPI) and universal asynchronous ...
As stated in the previous installment, LIN slaves can use a timer input capture channel for reception and a general purpose output pin for the transmit channel. Two Freescale LIN application notes, ...