~~TOC:3-4~~
===== Devo 12/12S Hardware Connections =====

The following documents the hardware inside the Devo-12/S transmitter

  * MCU: [[http://www.st.com/internet/mcu/product/164495.jsp|STM32F103ZET6]] 512kB Flash, 64kB RAM 144pin package
  * SPI Flash: [[http://www.sst.com/dotAsset/40373.pdf|SST25VF016B]] 2MB SPI NOR Flash
  * Parallel Flash: [[http://www.spansion.com/Support/Datasheets/S29GL-P_00.pdf|S29GL128P10TFI01]] 16MB FSMC accessible NOR Flash
  * LCD Display: [[http://vdc.epson.com/index.php?option=com_docman&task=cat_view&gid=329&Itemid=99|EPSON S1D13517F00A1]] 480x272 \\ [[http://www.displayfuture.com/Display/datasheet/controller/HX8257.pdf|HX8257]] 480x272 SPI driver for Brightness/Contrast control
  * SDRAM (For use with LCD controller): [[http://www.issi.com/pdf/42-45S16100E.pdf|ISSI IS42S16100E-7TL]] 2MB SDRAM
  * Radio: [[http://www.cypress.com/?docID=28606|CYRF6936]] 2.4GHz

==== STM32 Connections ====
^Pin     ^Desription         ^
|BOOT0   |CON2               |
|NRST    |Debugger (NRESET)  |

=== GPIOA ===
^Pin             ^Desription            ^
|0               |Backlight Enable      |
|1               |                      |
|2 (ADC3_IN_2)   |Right Vertical Stick  |
|3 (ADC3_IN_3)   |Battery Voltage       |
|4               |Power-Switch Sense    |
|5 (SPI1_SCK)    |SPI Flash, TSC2008    |
|6 (SPI1_MISO)   |SPI Flash, TSC2008    |
|7 (SPI1_MOSI)   |SPI Flash, TSC2008    |
|8               |Trainer Out           |
|9 (USART1_TX)   |                      |
|10 (USART1_RX)  |                      |
|11 (USBDM)      |USB+                  |
|12 (USBDP)      |USB-                  |
|13 (SWDIO)      |Debugger SWDIO (TMS)  |
|14 (SWCLK)      |Debugger SWCLK (TCK)  |
|15

=== GPIOB ===
^Pin             ^Desription                         ^
|0               |Speaker                            |
|1               |HX8257 SPI LCD Chip-Select         |
|2 (BOOT1)       |SPI Flash Chip-Select              |
|3               |                                   |
|4               |Powered by Outlet (Active Low)     |
|5               |Button Matrix Row 1                |
|6               |Button Matrix Row 2                |
|7               |Button Matrix Row 3                |
|8               |Button Matrix Row 4                |
|9               |Button Matrix Row 5                |
|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 (ADC3_IN_10)  |Left Vertical Stick     |
|1 (ADC3_IN_11)  |Left Horizontal Stick   |
|2 (ADC3_IN_12)  |AUX 7                   |
|3 (ADC3_IN_13)  |AUX 5                   |
|4               |TSC Chip-Select         |
|5               |TSC Pen/IRQ(?)          |
|6               |Button Matrix Column 1  |
|7               |Button Matrix Column 2  |
|8               |Button Matrix Column 3  |
|9               |Button Matrix Column 4  |
|10              |MIX0 Switch             |
|11              |GEAR Switch             |
|12              |MIX2 Switch             |
|13              |                        |
|14              |                        |
|15              |                        |

=== GPIOD ===
^Pin  ^Desription      ^
|0    |FSMC Data       |
|1    |FSMC Data       |
|2    |AIL DR2 Switch  |
|3    |AIL DR0 Switch  |
|4    |FSMC_NOE        |
|5    |FSMC_NWE        |
|6    |                |
|7    |ELE DR2 Switch  |
|8    |FSMC Data       |
|9    |FSMC Data       |
|10   |FSMC Data       |
|11   |FSMC Address    |
|12   |FSMC Address    |
|13   |FSMC Address    |
|14   |FSMC Data       |
|15   |FSMC Data       |

=== GPIOE ===
^Pin  ^Desription             ^
|0    |Power OFF              |
|1    |Charging (Active Low)  |
|2    |                       |
|3    |FSMC Address           |
|4    |FSMC Address           |
|5    |FSMC Address           |
|6    |FSMC Address           |
|7    |FSMC Data              |
|8    |FSMC Data              |
|9    |FSMC Data              |
|10   |FSMC Data              |
|11   |FSMC Data              |
|12   |FSMC Data              |
|13   |FSMC Data              |
|14   |FSMC Data              |
|15   |FSMC Data              |

=== GPIOF ===
^Pin             ^Desription              ^
|0               |FSMC Address            |
|1               |FSMC Address            |
|2               |FSMC Address            |
|3               |FSMC Address            |
|4               |FSMC Address            |
|5               |FSMC Address            |
|6 (ADC3_IN_4)   |AUX 2                   |
|7 (ADC3_IN_5)   |AUX 6                   |
|8 (ADC3_IN_6)   |AUX 4                   |
|9 (ADC3_IN_7)   |AUX 3                   |
|10 (ADC3_IN_8)  |Right Horizontal Stick  |
|11              |FSMC Address            |
|12              |FSMC Address            |
|13              |FSMC Address            |
|14              |FSMC Address            |
|15              |FSMC Address            |

=== GPIOG ===
^Pin  ^Desription      ^
|0    |FSMC Address    |
|1    |FSMC Address    |
|2    |FSMC Address    |
|3    |FSMC Address    |
|4    |FSMC Address    |
|5    |FSMC Address    |
|6    |FMOD0 Switch    | 
|7    |FMOD2 Switch    |
|8    |Trainer Switch  |
|9    |FSMC_NE2        |
|11   |RUD DR2 Switch  |
|12   |FSMC_NE4        |
|13   |RUD DR0 Switch  |
|14   |Hold Switch     |
|15   |ELE DR0 Switch  |


**The battery voltage (ADC3_3) is calculated by the formula:** \\
V = 0.0021x + 0.3026

=== Button Matrix ===
|     ^C.6            ^C.7            ^C.8           ^C.9             ^
^B.5  |NC             |R+             |Top Left TU   |Right Horiz TL  |
^B.6  |UP+            |L-             |Top Left TD   |Right Vert TU   |
^B.7  |DN-            |Ent            |Top Right TU  |Right Horiz TR  |
^B.8  |Ext            |NC             |Top Right TD  |Right Vert TD   |
^B.9  |Left Horiz TL  |Left Horiz TR  |Left Vert TD  |Left Vert TU    |

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

=== FCC Report ===
FCCID: [[https://www.fcc.gov/general/fcc-id-search-page|S29 DEVO-12]]