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hardware:devof12e
Table of Contents
Devo F12E Hardware Connections
The following documents the hardware inside the Devo-F12E transmitter
Note: This is still in development. Anything with strike-through is incorrect/not verified
- MCU: STM32F103VCT6 256kB Flash, 48kB RAM 100pin package
- SPI Flash: UPCT25VF512A 64kB SPI NOR Flash
- LCD Driver: Techwell TW8816 Driver (800×480 panel). 12×18 characters, programmable font
- LCD Display: KSD050C4005A (800×480 24bit) (120.9（W）×75.95（H）×2.9（D）)
- Radio: CYRF6936 2.4GHz
- Voltage Regulator: MP1584EN Switching regulator
STM32 Connections
| Pin | Description |
|---|---|
| BOOT0 | CON2 |
| NRST | Debugger (NRESET) |
GPIOA
| Pin | Description |
|---|---|
| 0 (ADC123_0) | AUX 7 |
| 1 | Buzzer |
| 2 | output to 0 to shut off Tx |
| 3 | power-switch in 'off' position (goes high on 'off') |
| 4 (ADC12_4) | AUX 6 |
| 5 (SPI1_SCK) | SPI Flash |
| 6 (SPI1_MISO) | SPI Flash |
| 7 (SPI1_MOSI) | SPI Flash |
| 9 (USART1_TX) | Trainer Rx |
| 10 (USART1_RX) | Trainer Tx |
| 11 (USBDM) | USB+ |
| 12 (USBDP) | USB- |
| 13 (SWDIO) | Debugger SWDIO (TMS) |
| 14 (SWCLK) | Debugger SWCLK (TCK) |
GPIOB
| Pin | Description |
|---|---|
| 0 (ADC12_8) | AUX 5 |
| 1 | Backlight PWM control |
| 2 (BOOT1) | SPI Flash Chip-Select |
| 4 | Button Matrix Col 1 |
| 5 | Button Matrix Col 2 |
| 6 | I2C1_SCL (LCD) |
| 7 | I2C1 SDA (LCD) |
| 8 | Button Matrix Col 3 |
| 9 | Button Matrix Col 4 |
| 10 | USB Enable (enable Low) |
| 11 | TxModule pin 10 - CYRF6936 Reset |
| 12 (SPI2_NSS) | TxModule pin 1 |
| 13 (SPI2_SCK) | TxModule pin 3 |
| 14 (SPI2_MISO) | TxModule pin 9 |
| 15 (SPI2_MOSI) | TxModule pin 7 |
GPIOC
| Pin | Description |
|---|---|
| 0 (ADC123_IN_10) | AUX 4 |
| 1 (ADC123_IN_11) | Left Horizontal Stick |
| 2 (ADC123_IN_12) | Right Vertical Stick |
| 3 (ADC123_IN_13) | Right Horizontal Stick |
| 4 (ADC12_IN_14) | Battery Voltage |
| 5 (ADC12_IN_15) | Left Vertical Stick |
| 6 | Gear Switch |
| 7 | Elevator D/R Switch |
| 8 | Rudder D/R Switch |
| 9 | FMode 0 Switch |
| 10 | FMode 2 Switch |
| 11 | Aileron D/R Switch |
| 12 | Mix 0 Switch |
| 13 | Mix 2 Switch |
GPIOD
| Pin | Description |
|---|---|
| 2 | Vibrator |
| 8 | Video Channel 4 |
| 10 | Video Channel 5 |
GPIOE
| Pin | Description |
|---|---|
| 2 | Button Matrix Row 1 |
| 3 | Button Matrix Row 2 |
| 4 | Button Matrix Row 3 |
| 5 | Button Matrix Row 4 |
| 6 | Button Matrix Row 5 |
| 7 | LCD Reset |
| 8 | Video Channel 1 |
| 9 | Video Channel 2 |
| 10 | Video Channel 3 |
| 11 | Video AV On/Off |
| 12 | ??? E12,E13,E14 are related |
| 13 | ??? E12,E13,E14 are related |
| 14 | ??? E12,E13,E14 are related |
Battery Voltage
The battery voltage (ADC1_14) is calculated by the formula:
V = 0.0021x + 0.3026
Button Matrix
| B.6 | B.7 | B.8 | B.9 | |
|---|---|---|---|---|
| E.2 | L- | Rudder Trim Left | Top Left Trim Down | NC |
| E.3 | Aileron Trim Right | Rudder Trim Right | Top Left Trim Up | Elevator Trim Up |
| E.4 | Aileron Trim Left | Ext | Top Right Trim Up | Throttle Trim Up |
| E.5 | Ent | UP+ | Top Right Trim Down | Elevator Trim Down |
| E.6 | R+ | DN- | NC | Throttle Trim Down |
FCC Report
FCCID: S29 DEVO-F12E
hardware/devof12e.txt (71930 views) · Last modified: 2017/03/09 23:10 by vlad_vy
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