RDM Data direction GPIO's
Logic level '0' = INPUT, '1' = OUTPUT
|
GD32F103RC |
GD32F107RC |
GD32F207RG |
GD32F303RC |
GD32F407RE |
GD32F450VI |
GD32F207C_EVAL |
BW_OPIDMX4 |
DMX4 |
| USART0 |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. (2) |
GPIOA PIN5 |
GPIOA PIN4 |
| USART2 |
GPIOB PIN10 |
GPIOB PIN10 |
GPIOB PIN10 |
GPIOB PIN10 |
GPIOB PIN10 |
N.A. (1) |
N.A. (2) |
GPIOB PIN10 |
GPIOB PIN10 |
| UART4 |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. |
N.A. (2) |
GPIOA PIN4 |
GPIOA PIN5 |
| USART5 |
N.A. |
N.A. |
GPIOA PIN11 |
N.A. |
GPIOA PIN11 |
N.A. (1) |
N.A. (2) |
GPIOA PIN11 |
GPIOB PIN14 |
The above is defined in the files:
- lib-dmx/include/gd32/board_gd32f103rc.h
- lib-dmx/include/gd32/board_gd32f107rc.h
- lib-dmx/include/gd32/board_gd32f207rg.h
- lib-dmx/include/gd32/board_gd32f303rc.h
- lib-dmx/include/gd32/board_gd32f407re.h
- lib-dmx/include/gd32/board_gd32f450vi.h
- lib-dmx/include/gd32/board_gd32f207c_eval.h
- lib-dmx/include/gd32/board_bw_opidmx4.h
- lib-dmx/include/gd32/board_dmx4.h
(1) There is DMX output only.
(2) User defined.
U(S)ART DMA Channel's
| MCU Family |
|
Channnel 0 |
Channnel 1 |
Channnel 2 |
Channnel 3 |
Channnel 4 |
Channnel 5 |
Channnel 6 |
Channnel 7 |
| GD32F10x |
DMA 0 |
|
USART2_TX |
|
USART0_TX |
|
|
USART1_TX |
|
| DMA 1 |
|
|
|
|
UART3_TX |
|
|
|
| GD32F20x |
DMA 0 |
|
USART2_TX |
|
USART0_TX |
|
|
USART1_TX |
|
| DMA 1 |
|
|
|
UART4_TX
UART7_TX
|
UART3_TX
UART6_TX
|
|
USART5_TX |
|
| GD32F303 |
DMA 0 |
|
USART2_TX |
|
USART0_TX |
|
|
USART1_TX |
|
| DMA 1 |
|
|
|
|
UART3_TX |
|
|
|
| GD32F4xx |
DMA 0 |
UART7_TX |
UART6_TX |
|
USART2_TX |
UART3_TX |
|
USART1_TX |
UART4_TX |
| DMA 1 |
|
|
|
|
|
|
USART5_TX |
USART0_TX |
GPIO REMAP
| USART0 |
REMAP=0 F:AF7 |
REMAP=1 F:AF7 |
| TX |
PA9 |
PB6 |
| RX |
PA10 |
PB7 |
| USART1 |
REMAP=0 |
REMAP=1 |
| TX |
PA2 |
PD5 |
| RX |
PA3 |
PD6 |
| USART2 |
REMAP=00 F:AF7 |
REMAP=01 F:AF7 |
REMAP=11 F:AF7 |
| TX |
PB10 |
PC10 |
PD8 |
| RX |
PB11 |
PC11 |
PD9 |
| UART3 |
REMAP=0 F:AF8 |
REMAP=1 F:AF8 |
| TX |
PC10 |
PA0 |
| RX |
PC11 |
PA1 |
REMAP=00 (no remap), REMAP=01 (partial remap), REMAP=11 (full remap)
| UART4 |
REMAP=0 F:AF8 |
| TX |
PC12 |
| RX |
PD2 |
| USART5 |
REMAP=0 F:AF8 |
REMAP=1 F:AF8 |
| TX |
PC6 |
PG14 |
| RX |
PC7 |
PG9 |
| UART6 |
REMAP=0 F:AF8 |
REMAP=1 F:AF8 |
| TX |
PE8 |
PF7 |
| RX |
PE9 |
PF6 |
| UART7 |
NO REMAP F:AF8 |
| TX |
PE1 |
| RX |
PE0 |
The above is defined in the files:
- lib-gd32/include/mcu/gd32f10x_mcu.h
- lib-gd32/include/mcu/gd32f20x_mcu.h
- lib-gd32/include/mcu/gd32f30x_mcu.h
- lib-gd32/include/mcu/gd32f4xx_mcu.h
Timers used
| Timer |
Description |
| 1 |
Transmit USART0, USART1, USART2 and UART3 |
| 4 |
Transmit UART4, USART5, UART6 and UART7 |
| 2 |
Receive Slot time-out Port 0,1,2,3 |
| 3 |
Receive Slot time-out Port 4,5,6,7 |
| 6 |
Receive 1 second interrupt |