this doc explain how to support high baudrate, such as 3M, 4M in S32G Mcore, even MCAL currently just support 1.8M. and to change uart clock source to avoid the wrongbaudrate value. and after that, still need modify the linux clock tree.
目录
1 背景与资料说明... 2
1.1 背景说明... 2
1.2 所需资料说明... 3
2 S32G波特率设置说明... 4
3 创建UART工程... 7
3.1 打开工程... 7
3.2 修改波特率... 7
3.3 编译与运行... 7
3.4 默认工程说明... 8
4 配置UART更高波特率... 9
4.1 以PERIPH_PLL_PHI3_CLK 100Mhz为LIN_CLK时钟源 9
4.2 以FIRC_CLK 48Mhz为LIN_CLK时钟源... 14
5 Linux的修改... 15
5.1 以PERIPH_PLL_PHI3_CLK 100Mhz为LIN_CLK时钟源 15
5.2 以FIRC_CLK 48Mhz为LIN_CLK时钟源... 19