UART0 communication is supported in the latest version of MPC5746R Bootloader .rbf file (attached below)
+ Supported UART0/LINFlexD_0: PD13-PD14 pins(Speed: 115200b/s)
Tested on the dev boards:
Development Board | MPC5746R-252DC MPC57xx-MOTHERBOARD |
Processor | PPC5746RTMMT5 - 1N83M |
