The following documents the hardware inside the Taranis X9D transmitter
| Pin | Description |
|---|---|
| 0 | Stick RV |
| 1 | Stick RH |
| 2 | Stick LH |
| 3 | Stick LV |
| 4 | Audio DAC (???) |
| 5 | Switch C- |
| 6 | POT L (Aux2) |
| 7 | PPM for external module |
| 8 | Trainer plug detect |
| 9 | USB Vin |
| 10 | PPM for FrSky Module |
| 11 | USB Data- |
| 12 | USB Data+ |
| 13 | SWDIO (Pads on P12.2) |
| 14 | SWCLK (Pads on P12.3) |
| 15 (SPI3 Enable) | I2S Audio WS (???) |
| Pin | Description |
|---|---|
| 0 | POT R (Aux3) |
| 1 | Switch D- |
| 2 | ??? |
| 3 | Switch E- |
| 4 | Switch E+ |
| 5 | Switch A+ |
| 6 (I2C SCL) | EEPROM SCL(???) |
| 7 (I2C SDA) | EEPROM SDA(???) |
| 8 | Backlight PWM |
| 9 (I2C WP) | EEPROM WP(???) |
| 10 | UART3 Tx |
| 11 | UART3 Rx |
| 12 (SPI2 CS) | SD Card ChipSelect |
| 13 (SPI2 SCK) | SD Card SCK |
| 14 (SPI2 MISO) | SD Card MISO |
| 15 (SPI2 MOSI) | SD Card MOSI |
| Pin | Description |
|---|---|
| 0 | Voltage detect |
| 1 | Buttom 'Trim RH -' |
| 2 | Buttom 'Trim RV +' |
| 3 | Buttom 'Trim RV -' |
| 4 | Slider L (Aux4) |
| 5 | Slider R (Aux5) |
| 6 | Power LED |
| 7 | Heartbeat (???) |
| 8 | Trainer PPM In |
| 9 | Trainer PPM Out |
| 10 (SPI3 SCK) | I2S_Audio SCK(???) |
| 11 | Audio DAC Mute(???) |
| 12 (SPI3 SD) | I2S_Audio SD(???) |
| 13 | Buttom 'Trim RH +' |
| 14 | XTAL |
| 15 | XTAL |
| Pin | Description |
|---|---|
| 0 | Power shutdown |
| 1 | Power switch postition |
| 2 | Button 'Exit' |
| 3 | Button 'Page' |
| 4 | Sport Enable(???) |
| 5 | Sport Tx(???) |
| 6 | Sport Rx(???) |
| 7 | Button 'Menu' |
| 8 | ??? |
| 9 | SD Card Detect |
| 10 | LCD MOSI |
| 11 | LCD CLK |
| 12 | LCD RST |
| 13 | LCD A0 |
| 14 | LCD NCS |
| 15 | N/C |
| Pin | Description |
|---|---|
| 0 | Switch A- |
| 1 | Switch B+ |
| 2 | Switch B- |
| 3 | Button 'Trim LH +' |
| 4 | Button 'Trim LH -' |
| 5 | Button 'Trim LV +' |
| 6 | Button 'Trim LV -' |
| 7 | Switch D+ |
| 8 | Switch G- |
| 9 | Switch G+ |
| 10 | Button 'Plus' |
| 11 | Button 'Enter' |
| 12 | Button 'Minus' |
| 13 | Switch H |
| 14 | Switch F |
| 15 | Switch C+ |
| Pin | Description |
|---|---|
| 1 | 3.3V |
| 2 | PA13 |
| 3 | PA14 |
| 4 | GND |
| Pin | Description |
|---|---|
| 1 | SPORT |
| 2 | GND |
| 3 | ??? |
| 4 | Heartbeat |
| 5 | ??? |
FCCID: XYF X91216DK