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seems like U[S]ARTS OK, not tested yet

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Edward Emelianov
2026-02-15 00:24:26 +03:00
parent 26e74a6b89
commit cd8151c684
10 changed files with 331 additions and 99 deletions
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59
F3:F303/InterfaceBoard/Readme.md
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@@ -59,7 +59,7 @@ Inner USB interfaces (IFx):
| 33 | PB12 | NC | | |
| 34 | PB13 | NC | | |
| 35 | PB14 | USART3 DE | AF7 or PP | RS-485 (1) DE |
| 36 | PB15 | | | |
| 36 | PB15 | NC | | |
| 37 | PC6 | NC | | |
| 38 | PC7 | NC | | |
| 39 | PC8 | NC | | |
@@ -118,6 +118,61 @@ DMA2 channels:
UART5 have no DMA channels, so used in interrupts.
You can try to use hardware DE management on two of RS-485, but I decide that as I can't use hardware DE for all three, it would be
simpler to use software DE for all.
### Sorted by ports (with AF numbers).
### Sorted by ports
| Pin # | Pin name | function | settings | comment |
|---------|-------------|-------------|---------------|---------------------|
| 14 | PA0 | NC | | |
| 15 | PA1 | USART2 DE | AF7 or PP | RS-485 (3) DE |
| 16 | PA2 | USART2 TX | AF7 | RS-485 (3) Tx |
| 17 | PA3 | USART2 RX | AF7 | RS-485 (3) Rx |
| 20 | PA4 | NC | | |
| 21 | PA5 | SPI1 SCK | AF5 | SSI CLK |
| 22 | PA6 | SPI1 MISO | AF5 | SSI DAT |
| 23 | PA7 | NC | | |
| 41 | PA8 | NC | | |
| 42 | PA9 | (CONF EN) | PU IN | Config jumper |
| 43 | PA10 | (USB PU) | PP OUT | USB pullup |
| 44 | PA11 | USB DM | AF14 | |
| 45 | PA12 | USB DP | AF14 | |
| 46 | PA13 | SWDIO | AF0 | |
| 49 | PA14 | SWCLK | AF0 | |
| 50 | PA15 | NC | | |
| 26 | PB0 | (USART1 DE) | PP OUT | RS-485 (2) DE |
| 27 | PB1 | NC | | |
| 28 | PB2 | NC | | |
| 55 | PB3 | NC | | |
| 56 | PB4 | NC | | |
| 57 | PB5 | NC | | |
| 58 | PB6 | NC | | |
| 59 | PB7 | NC | | |
| 61 | PB8 | CAN RX | AF9 | |
| 62 | PB9 | CAN TX | AF9 | |
| 29 | PB10 | USART3 TX | AF7 | RS-485 (1) Tx |
| 30 | PB11 | USART3 RX | AF7 | RS-485 (1) Rx |
| 33 | PB12 | NC | | |
| 34 | PB13 | NC | | |
| 35 | PB14 | USART3 DE | AF7 or PP | RS-485 (1) DE |
| 36 | PB15 | NC | | |
| 8 | PC0 | NC | | |
| 9 | PC1 | NC | | |
| 10 | PC2 | NC | | |
| 11 | PC3 | NC | | |
| 24 | PC4 | USART1 TX | AF7 | RS-485 (2) Tx |
| 25 | PC5 | USART1 RX | AF7 | RS-485 (2) Rx |
| 37 | PC6 | NC | | |
| 38 | PC7 | NC | | |
| 39 | PC8 | NC | | |
| 40 | PC9 | NC | | |
| 51 | PC10 | UART4 TX | AF5 | RS-232 (1) Tx |
| 52 | PC11 | UART4 RX | AF5 | RS-232 (1) Rx |
| 53 | PC12 | UART5 TX | AF5 | RS-232(2) / 485 Tx |
| 2 | PC13 | NC | | |
| 3 | PC14 | NC | | |
| 4 | PC15 | NC | | |
| 54 | PD2 | UART5 RX | AF5 | RS-232(2) / 485 Rx |
| 18 | PF4 | NC | | |