![]() ![]() Enable the clock to the alternate function.To use the alternate functions the user must : ![]() ![]() In the ARM these are known as alternative functions (AF). Like all micro-controllers, in addition to conventional or general purpose digital input and output the ARM subsystem implements a number of specialised input output or peripheral functions. OTG_HS_ULPI_D6/ETH_RMII_TXD1/ETH_MII_TXD1/OTG_HS_VBUS The Discovery Board does not have a built in SCI interface so this will need to be added as illustrated. Note the Tx and Rx of all USART are brought to a pin on the Discovery Board so if no other I/O is required then any USART may be chosen. The table below lists what USARTs are available and on what pins. The first step will be to select the USART from the range of possible options.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
January 2023
Categories |