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hardware:jumper_t12

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Jumper T12 Hardware Connections

The following documents the hardware inside the Jumper T12 transmitter

  • MCU: STM32F205VET6 512kB Flash, 128kB RAM 100pin package
  • LCD Display: 128×64 B&W display
  • Radio: Jumper 4-in-1 module plugged into the back of the transmitter
  • 256kbit EEPROM: ST M24256

STM32 Connections

GPIOA

Pin Description
0 (ADC_IN_0) Stick RV
1 (ADC_IN_1) Stick RH
2 (ADC_IN_2) Stick LV
3 (ADC_IN_3) Stick LH
4 Audio Out
5 Switch B_H
6 (ADC_IN_6) POT1
7 Ext Module TX
8 Trainer plug detect
9 USB Vin
10 Int Module TX
11 USB Data-
12 USB Data+
13 SWDIO (???)
14 PCBREV
15 (SPI3 CS) LCD C/S

GPIOB

Pin Description
0 (ADC_IN_8) POT2
1 LED Blue
2 S.Port Update PWR
3 ???
4 ???
5 ???
6 (I2C SCL) EEPROM SCL
7 (I2C SDA) EEPROM SDA
8 Haptic
9 (I2C WP) EEPROM WP
10 Bluetooth Tx
11 Bluetooth Rx
12 (SPI2 CS) SD Card Enable
13 (SPI2 SCK) SD Card SCK
14 (SPI2 MISO) SD Card MISO
15 (SPI2 MOSI) SD Card MOSI

GPIOC

Pin Description
0 (ADC_IN_10) Voltage detect
1 Button 'Trim LHR'
2 Button 'Trim RVU'
3 Button 'Trim RVD'
4 LED Green
5 LED Red
6 Int Module PWR
7 Heartbeat
8 Trainer PPM In
9 Trainer PPM Out
10 (SPI3 SCK) LCD SCK
11 LCD A0
12 (SPI3 SD) LCD MOSI
13 ???
14 XTAL
15 XTAL

GPIOD

Pin Description
0 Power button press
1 Power on
2 Button 'Exit'
3 Button 'Page'
4 Telemetry Dir
5 Telemetry TX
6 Telemetry RX
7 Button 'Menu'
8 Ext Module Pwr
9 SD Card Detect
10 ???
11 Switch: C_L
12 LCD RST
13 LCD Backlight
14 Switch H
15 Button 'Trim LHL'

GPIOE

Pin Description
0 Switch C_H
1 Switch D_L
2 Switch D_H
3 Button 'Trim RHL'
4 Button 'Trim RHR'
5 Button 'Trim LVU'
6 Button 'Trim LVD'
7 Switch A_L
8 ???
9 Button 'Plus'
10 Button 'Enter'
11 Button 'Minus'
12 Bluetooth Enable
13 Switch A_H
14 Switch F
15 Switch B_L

Externaml PPM Module (Pin 1 at bottom)

Pin Description
1 SPORT
2 GND
3 ???
4 Heartbeat
5 ???

FCC Report

FCCID: XYF X91216DK

hardware/jumper_t12.1548513956.txt.gz (24498 views) · Last modified: 2019/01/26 06:45 by PhracturedBlue