diff --git a/configs/stm32f429i-disco/README.txt b/configs/stm32f429i-disco/README.txt index 3735b38cfb..64c5fa7e84 100644 --- a/configs/stm32f429i-disco/README.txt +++ b/configs/stm32f429i-disco/README.txt @@ -57,7 +57,8 @@ Setup and Programming Flash =========================== I use a USB cable to power and program it. And I use a USB/Serial -connected to pins PA9 and PA10 for the serial console. +connected to pins PA9 and PA10 for the serial console (See the section +"UARTs" below). FLASH may be programmed: @@ -101,8 +102,8 @@ UARTs ===== On the STM32F429I-DISCO board, because of pin mappings to support the -onboard SDRAM and LCD, the only UARTs that has both RX and TX pins -avilalbe are USART1 and UART5. Other USARTS could be used for RX or TX +onboard SDRAM and LCD, the only UARTs that have both RX and TX pins +available are USART1 and UART5. Other USARTS could be used for RX or TX only, or they could be used for full-duplex if the other pin functions aren't being used (i.e. LCD or SDRAM). @@ -110,38 +111,38 @@ UART/USART PINS --------------- USART1 - CK PA8 + CK PA8* CTS PA11* RTS PA12* - RX PA10*, PB7* - TX PA9*, PB6* + RX PA10, PB7 + TX PA9, PB6* USART2 CK PA4*, PD7 - CTS PA0*, PD3 - RTS PA1, PD4* - RX PA3, PD6 - TX PA2, PD5* + CTS PA0*, PD3* + RTS PA1*, PD4 + RX PA3*, PD6* + TX PA2*, PD5 USART3 - CK PB12, PC12*, PD10 - CTS PB13, PD11 - RTS PB14, PD12* - RX PB11, PC11, PD9 - TX PB10*, PC10*, PD8 + CK PB12*, PC12, PD10* + CTS PB13*, PD11* + RTS PB14*, PD12* + RX PB11*, PC11, PD9* + TX PB10*, PC10*, PD8* UART4 - RX PA1, PC11 + RX PA1*, PC11 TX PA0*, PC10* UART5 RX PD2 - TX PC12* + TX PC12 USART6 CK PC8, PG7* CTS PG13*, PG15* RTS PG12*, PG8* - RX PC7*, PG9* - TX PC6, PG14* + RX PC7*, PG9 + TX PC6*, PG14* UART7 - RX PE7*,PF6* - TX PE8*,PF7* + RX PE7*, PF6 + TX PE8*, PF7* * Indicates pins that have other on-board functions and should be used only with care (See table 6 in the STM32F429I-DISCO User Guide for a list of free @@ -203,7 +204,7 @@ TIM14 * Indicates pins that have other on-board functions and should be used only with care (See table 5 in the STM32F429I-DISCO User Guide). The rest are - free I/O pins. + free I/O pins (This need to be updated. They are incorrect!) ** Port H pins are not supported by the MCU FPU