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ReliaGATE 10-12 User manual Rev. 2-1
Appendix 2: Expansion connector pin map with respect to
device tree pin assignment
A
PPENDIX
2: E
XPANSION CONNECTOR PIN MAP WITH
RESPECT TO DEVICE TREE PIN ASSIGNMENT
The ReliaGATE 10-12 provides an Expansion connector on the right side.
For more information see:
l
"Right Side Interface overview" on page 42
l
"Expansion connector" on page 62
l
"How to enable the 3.3V and 5V power supply on the Expansion connector" on page 86
.
The following table shows the Expansion connector pin map with respect to the device tree
1
pin
assignment:
Pin #
Signal
CPU Pin Name
GPIO*
DTB #1
DTB #2
Notes
6x DTB
SPI DTB
Generic
1
VCC 3v3 EXT
Power line
2
DGND
Power line
3
VCC 5v_EXT
Power line
4
USB1_DP
USB line: fixed
5
USB_EXP-
USB1_DM
USB_EXP-
USB_EXP-
USB_EXP-
USB line: fixed
6
DGND
Power line
7
MCASP0_FSX
LCD_DATA9
GPIO2_15
ReliaIO: CPU_RST
GPIO2_15
GPIO2_15
8
MCASP0_AXR0
LCD_DATA10
GPIO2_16
Reserved: cannot be
user-controlled
GPIO2_16
GPIO2_16
Power Enable for LoRa
devices
9
MCASP0_ACLKX
LCD_DATA8
GPIO2_14
ReliaIO: BOOT0
GPIO2_14
GPIO2_14
10
MCASP0_AXR1
LCD_DATA14
GPIO0_10
ReliaIO: INT_CPU
GPIO0_10
GPIO0_10
11
DGND
Power line
12
Reserved
UART1_RXD
GPIO0_14
Reserved
Reserved
Reserved
Reserved
13
Reserved
UART1_TXD
GPIO0_15
Reserved
Reserved
Reserved
Reserved
14
USB_EXP_EN
USB1_DRVVBUS
GPIO3_13
GPIO3_13
GPIO3_13
GPIO3_13
15
GPIO_EXP_2
LCD_DATA1
GPIO2_7
Reserved: cannot be
user-controlled
GPIO2_7
VCC_3v3_EXT
Enable
GPIO2_7
VCC_3v3_EXT
Enable
Reserved: VCC_3v3_
EXT Enable
16
GPIO_EXP_1
LCD_DATA0
GPIO2_6
Reserved: cannot be
user-controlled
GPIO2_6
VCC_5v_EXT
Enable
GPIO2_6
VCC_5v_EXT
Enable
Reserved: VCC_5v_
EXT Enable
17
DGND
Power line
18
SPI1_D1
MCASP0_AXR0
GPIO3_16
SPI1_D1
SPI1_D1
GPIO3_16
19
SPI1_CS0
MCASP0_AHCLKR
GPIO3_17
SPI1_CS0
SPI1_CS0
GPIO3_17
20
SPI1_D0
MCASP0_FSX
GPIO3_15
SPI1_D0
SPI1_D0
GPIO3_15
21
SPI1_SCLK
MCASP0_ACLKX
GPIO3_14
SPI1_SCLK
SPI1_SCLK
GPIO3_14
22
DGND
Power line
23
I2C1: SDA
SPI0_D1
GPIO0_4
I2C1: SDA
I2C1: SDA
I2C1: SDA
Reserved:
I2C internal
24
I2C1: SCL
SPI0_CS0
GPIO0_5
I2C1: SCL
I2C1: SCL
I2C1: SCL
Reserved:
I2C internal
* This column lists the GPIO pins that might be available if the default function is not used or reserved.
1
See also
"The production fitImage" on page 112
.
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