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hardware:devo7e

Devo 7E Hardware Connections

The following documents the hardware inside the Devo-7e transmitter

STM32 Connections

Pin Desription
BOOT0 CON2
NRST Debugger (NRESET)

GPIOA

Pin Desription
1 Piezo speaker
2 output to 0 to shut off Tx
3 power-switch in 'off' position (goes high on 'off')
5 (SPI1_SCK) SPI Flash, LCD
6 (SPI1_MISO) SPI Flash, LCD
7 (SPI1_MOSI) SPI Flash, LCD
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 LCD Chip Enable
1 LCD Backlight
2 (BOOT1) SPI Flash Chip-Enable
5 Button Matrix Col 1
6 Button Matrix Col 2
7 Button Matrix Col 3
8 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 2
14 (SPI2_MISO) TxModule pin 4
15 (SPI2_MOSI) TxModule pin 3

GPIOC

Pin Desription
0 (ADC_IN_10) Right Vertical Stick
1 (ADC_IN_11) Left Vertical Stick
2 (ADC_IN_12) Left Horizontal stick
3 (ADC_IN_13) Right Horizontal Stick
4 (ADC_IN_14) Battery Voltage
5 LCD Data/Command mode
6 Button Matrix Row 1
7 Button Matrix Row 2
8 Button Matrix Row 3
9 Button Matrix Row 4
10 FMode Switch
11 Hold Switch

GPIOD

Pin Desription
2 Haptic vibration motor



The battery voltage (ADC1_14) is calculated by the formula:
V = 0.0021x + 0.3026

Button Matrix

B.5 B.6 B.7 B.8
C.6 Aileron TR NC Throttle TU NC
C.7 Aileron TL Ent Throttle TD DN-
C.8 Elevator TU R+ Rudder TL UP+
C.9 Elevator TD L- Rudder TR Ext

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

FCC Report

FCCID: S29 DEVO-7E

hardware/devo7e.txt (19531 views) · Last modified: 2016/06/01 04:02 by silpstream