Table of Contents

Devo 10 Hardware Connections

The following documents the hardware inside the Devo-10 transmitter

STM32 Connections

Pin Desription
BOOT0 CON2
NRST Debugger (NRESET)

GPIOA

Pin Desription
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
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 (FSMC D2) LCD Module
1 (FSMC D3) LCD Module
2 ??? Push/Pull output default low
4 (FSMC NOE) LCD Module
5 (FSMC NWE) LCD Module
7 (FSMC NE1) LCD Module (unconnected?)
11 (FSMC A16) LCD Module
14 (FSMC D0) LCD Module
15 (FSMC D1) 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 (FSMC D4) LCD Module
8 (FSMC D5) LCD Module
9 (FSMC D6) LCD Module
10 (FSMC D7) LCD Module

GPIOF



Battery Voltage

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 TD
E.3 R+ UP+ Top Right TD Throttle TU
E.4 Ent Ext Top Right TU Elevator TU
E.5 Aileron TR Rudder TL Top Left TU NC
E.6 Aileron TL Rudder TR Top Left TD Throttle TD

TL: Trim Left TR: Trim Right TU: Trim Up TD: Trim down

FCC Report

FCCID: S29 DEVO-10