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hardware:devo12e
Table of Contents
Devo 12E Hardware Connections
The following documents the hardware inside the Devo-12E transmitter
- MCU: STM32F103VCT6 256kB Flash, 48kB RAM 100pin package
- SPI Flash: SST25VF032B 4MB SPI NOR Flash
- LCD Display: NT7538 132×65 B&W display
- Radio: CYRF6936 2.4GHz
STM32 Connections
| Pin | Desription |
|---|---|
| BOOT0 | CON2 |
| NRST | Debugger (NRESET) |
GPIOA
| Pin | Desription |
|---|---|
| 0 (ADC_IN_0) | Aux6(?) |
| 1 | Buzzer |
| 2 | output to 0 to shut off Tx |
| 3 | power-switch in 'off' position (goes high on 'off') |
| 4 (ADC_IN_4) | AUX5 |
| 5 (SPI1_SCK) | SPI Flash, TSC2008 |
| 6 (SPI1_MISO) | SPI Flash, TSC2008 |
| 7 (SPI1_MOSI) | SPI Flash, TSC2008 |
| 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 | Desription |
|---|---|
| 0 (ADC_IN_8) | Aux7 |
| 1 | LCD Backlight |
| 2 (BOOT1) | SPI Flash Chip-Enable |
| 4 | Button Matrix Col 1 |
| 5 | Button Matrix Col 2 |
| 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 | Desription |
|---|---|
| 0 (ADC_IN_10) | AUX4 |
| 1 (ADC_IN_11) | Left Horizontal Stick |
| 2 (ADC_IN_12) | Right Horizontal stick |
| 3 (ADC_IN_13) | Right Vertical Stick |
| 4 (ADC_IN_14) | Battery Voltage |
| 5 (ADC_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 | Desription |
|---|---|
| 0-1 | LCD Module |
| 2 | ??? Push/Pull output default low |
| 4-5 | LCD Module |
| 9 | ??? (pinned out but floating?) |
| 10 | LCD Module |
| 14-15 | LCD Module |
GPIOE
| Pin | Desription |
|---|---|
| 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 |
| 7-15 | LCD Module |
GPIOF
The battery voltage (ADC1_14) is calculated by the formula:
V = 0.003246 * value + 0.4208
Button Matrix
| B.6 | B.7 | B.8 | B.9 | |
|---|---|---|---|---|
| E.2 | L- | DN- | NC | Elevator Trim Down |
| E.3 | R+ | UP+ | Top Right TD | Throttle Trim Up |
| E.4 | Ent | Ext | Top Right TU | Elevator Trim Up |
| E.5 | Aileron TR | Rudder TL | Top Left TU | NC |
| E.6 | Aileron TL | Rudder TR | Top Left TD | Throttle Trim Down |
TL: Trim Left TR: Trim Right TU: Trim Up TD: Trim down
FCC Report
FCCID: S29DEVO12E https://fccid.io/S29DEVO12E#download
hardware/devo12e.txt (251052 views) · Last modified: 2016/11/20 19:38 by Deal57
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