====== XU4 Shifter Shield ======
{{http://dn.odroid.com/homebackup/201507011510072461.jpg}}

[[http://www.hardkernel.com/main/products/prdt_info.php?g_code=G143556253995|Where to buy]]

====== GPIO Map for WiringPi Library ======
^ Net Name     ^ GPIO & Export No ^ WiringPi GPIO ^ Header Pin ^ Header Pin  ^ WiringPi GPIO ^ GPIO & Export No ^ Net Name ^
| 3.3V         | 3.3V             | 3.3V          | 1          | 2           | 5.0V          | 5.0V             | 5.0V        |
| I2C_1.SDA    | GPB3.2(#209)     | GPIO_08       | 3          | 4           | 5.0V          | 5.0V             | 5.0V        |
| I2C_1.SCL    | GPB3.3(#210)     | GPIO_09       | 5          | 6           | GND           | GND              | GND         |
| XE.INT10     | GPX1.2(#18)      | GPIO_07       | 7          | 8           | GPIO_15(TXD)  | GPA0.1(#172)     | UART_0.TXD  |
| GND          | GND              | GND           | 9          | 10          | GPIO_16(RXD)  | GPA0.0(#171)     | UART_0.RXD  |
| UART_0.RTS_N | GPA0.3(#174)     | GPIO_00       | 11         | 12          | GPIO_01(PWM)  | GPA0.2(#173)     | UART_0.CTS_N|
| XE.INT13     | GPX1.5(#21)      | GPIO_02       | 13         | 14          | GND           | GND              | GND         |
| XE.INT14     | GPX1.6(#22)      | GPIO_03       | 15         | 16          | GPIO_04       | GPX1.3(#19)      | XE.INT11    |
| 3.3V         | 3.3V             | 3.3V          | 17         | 18          | GPIO_05       | GPX1.7(#23)      | XE.INT23    |
| SPI_1.MOSI   | GPA2.7(#192)     | GPIO_12       | 19         | 20          | GND           | GND              | GND         |
| SPI_1.MISO   | GPA2.6(#191)     | GPIO_13       | 21         | 22          | GPIO_06       | GPX2.0(#24)      | XE.INT16    |
| SPI_1.SCLK   | GPA2.4(#189)     | GPIO_14       | 23         | 24          | GPIO_10       | GPA2.5(#190)     | SPI_1.CSN   |
| GND          | GND              | GND           | 25         | 26          | GPIO_11       | GPX2.1(#25)      | XE.INT17    |
| I2C_5.SDA    | GPA2.2(#187)     | GPIO_30       | 27         | 28          | GPIO_31       | GPA2.3(#188)     | I2C_5.SCL   |
| XE.INT20     | GPX2.4(#28)      | GPIO_21       | 29         | 30          | GND           | GND              | GND         |
| XE.INT22     | GPX2.6(#30)      | GPIO_22       | 31         | 32          | GPIO_26       | GPX2.5(#29)      | XE.INT21    |
| XE.INT23     | GPX2.7(#31)      | GPIO_23       | 33         | 34          | GND           | GND              | GND         |
| PWR_ON(INPUT)| PWR_ON(INPUT)    | GPIO_24       | 35         | 36          | GPIO_27       | GPX3.1(#33)      | XE.INT25    |
| ADC_0.AIN0   | AIN0(Max 1,8V)   | GPIO_25       | 37         | 38          | GPIO_28       | ADC REF OUT(1.8V)| ADC REF OUT |
| GND          | GND              | GND           | 39         | 40          | GPIO_29       | AIN3(Max 1.8V)   | ADC_0.AIN3  |

  * **Net Name I2C_1.SDA/I2C_1.SCL physical I2C Address : 0x12c70000**
  * **Net Name I2C_5.SDA/I2C_5.SCL physical I2C Address : 0x12cb0000 (hsi2c)**
  * **Net Name I2C_5.SDA/I2C_5.SCL are not available in XU3**

{{:en:shiftershield:shifter-shield_con3_2.png?600|}}

{{:en:shiftershield:shifter-shield_p1_2.png?600|}}