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hardware:jumper_t12

This is an old revision of the document!


WIP: This is currently just a copy of the X9D page

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
  • Digital volume control: CAT5137 on i2c BUS
  • 256kbit EEPROM: ST M24256

STM32 Connections

GPIOA

Pin Description
*0 Stick RV
*1 Stick RH
*2 Stick LV
*3 Stick LH
4 Audio DAC (???)
*5 Switch B_H
*6 POT1
7 PPM for external module
*8 Trainer plug detect
9 USB Vin
*10 Int Module TX
11 USB Data-
12 USB Data+
13 SWDIO (Pads on P12.2)
*14 PCBREV(???)
*15 (SPI3 CS) LCD C/S

GPIOB

Pin Description
*0 POT2
*1 LED Blue
*2 S.Port Update PWR
3 Switch E-
4 Switch E+
5 Switch A+
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) Bluetooth Enable
13 (SPI2 SCK) SD Card SCK
14 (SPI2 MISO) SD Card MISO
15 (SPI2 MOSI) SD Card MOSI

GPIOC

Pin Description
*0 Voltage detect
1 Button 'Trim LHR'
*2 Buttom 'Trim RVU'
*3 Buttom '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) I2S_Audio SCK(???)
*11 LCD A0
*12 (SPI3 SD) I2S_Audio SD(???)
13 Buttom 'Trim RH +'
14 XTAL
15 XTAL

GPIOD

Pin Description
0 Power shutdown
1 Power switch postition
*2 Button 'Exit'
*3 Button 'Page'
4 Sport Enable(???)
5 Sport Tx(???)
6 Sport Rx(???)
*7 Button 'Menu'
8 ???
9 SD Card Detect
10 LCD MOSI
*11 Switch: C_11
*12 LCD RST
*13 LCD Backlight
*14 Switch H
*15 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 Switch G-
*9 Button 'Plus'
*10 Button 'Enter'
*11 Button 'Minus'
12 Button 'Minus'
*13 Switch A_H
14 Switch F
*15 Switch B_L

Pad P12

Pin Description
1 3.3V
2 PA13
3 PA14
4 GND

Externaml PPM Module (Pin 1 at bottom)

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

FCC Report

FCCID: XYF X91216DK

hardware/jumper_t12.1548481560.txt.gz (24491 views) · Last modified: 2019/01/25 21:46 by PhracturedBlue