Expansion Connector; Expansion Connector Specifications - Eurotech ReliaGATE 10-12-6 Series User Manual

9 Interfaces in detail
9.9

Expansion connector

The ReliaGATE 10-12 provides, on the right side, an expansion connector with the following interfaces:
Additional USB OTG interface
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2
I S Audio interface
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GPIO expansion interface
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2
I C interface
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SPI interface
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For more information see:
"Right Side Interface overview" on page 42
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"How to enable the 3.3V and 5V power supply on the Expansion connector" on page 86
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"Appendix 2: Expansion connector pin map with respect to device tree pin assignment" on
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page 115.
9.9.1

Expansion connector specifications

Connector Layout:
Connector Specifications:
2mm dual row R/A header
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Gender: Female
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Type: 12*2-pin; 2.0 mm pitch
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Mating Connector Specifications:
2mm dual row R/A header
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Gender: Male
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Type: 12*2-pin; 2.0 mm pitch
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Example:
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Manufacturer: Pinrex
Part Number: 221-92-12GB51
(or equivalent)
62 / 118
ReliaGATE 10-12 User manual Rev. 2-1
Connector Pinout:
Pin # Signal
1 VCC 3v3 EXT
2 GND
3 VCC 5v_EXT
4 USB_EXP+
5 USB_EXP-
6 GND
7 MCASP0_FSX
8 MCASP0_AXR0
9 MCASP0_ACLKX IO
10 MCASP0_AXR1
11 GND
12 Reserved
13 Reserved
14 USB_EXP_EN
15 GPIO_EXP_2
16 GPIO_EXP_1
17 GND
18 SPI1_D1
19 SPI1_CS0
20 SPI1_D0
21 SPI1_SCLK
22 GND
23 I2C1: SDA
24 I2C1: SCL
Type Description
P 3.3V/100mA max power
supply
P Ground
P 5V/1A max power supply
IO USB data positive
IO USB data negative
P Ground
IO I2S audio or GPIO
IO I2S audio or GPIO
I2S audio or GPIO
IO I2S audio or GPIO
P Ground
- Reserved
- Reserved
I OTG detect or GPIO
O 3.3V OUT enable (status)
O 5V OUT enable (status)
P Ground
O/IO SPI Data OUT or GPIO
O/IO SPI Chip select or GPIO
I/IO SPI Data IN or GPIO
O/IO SPI Clock or GPIO
P Ground
IO I2C Data
O I2C Clock