Kontron mITX-E38 - Manual (Page 41)

KTD-N0903-A Page 39 Slot Connectors
mITX-E38 Users Guide
8 Slot Connectors
The mITX-E38 has support for PCIex1, SD Card, mPCIe or mSATA inclusive USB2.0 and SIM support
PCI-Express x1 Connector (PCIex1 – J8) 8.1
The PCIex1 can be used for external PCI Express cards inclusive graphics card. Maximum theoretical
bandwidth is 4 Gbps effectively for each direction, 8 Gbps in total.
SD card slot (SD Card – J25) 8.2
SD Card 3.0 interface.
• Up to 832Mbits per second data rate using up to 4 parallel data lines.
• Transfers the data in following UHS-I modes: HS and DDR50.
• Cyclic Redundancy Check CRC7 for command and CRC16 for data integrity.
• Designed to work with I/O cards, Read-only cards and Read/Write cards.
• Supports Read wait Control. SDIO only validated with WIFI devices.
Header Pin Signal Description Type
1 CD / DATA3 Card detect / Data bit 3 IO-3.3
2 CMD Command line IO-3.3
3 GND Ground PWR
4 VCC3 Power +3.3V PWR
5 CLK Clock O-3.3
6 GND Ground PWR
7 DATA0 Data bit 0 IO-3.3
8 DATA1 Data bit 1 IO-3.3
9 DATA2 Data bit 2 IO-3.3
10 CD# Card Detection on low I
11 WP Write Protect I
9 1 8
Note Type Signal PIN# Signal Type Note
+12V B1 A1 NC
+12V B2 A2 +12V
+12V B3 A3 +12V
GND B4 A4 GND
SMB_CLK B5 A5 NC
SMB_DATA B6 A6 NC
GND B7 A7 NC
+3V3 B8 A8 NC
NC B9 A9 +3V3
SB3V3 B10 A10 +3V3
WAKE# B11 A11 RST#
NC B12 A12 GND
GND B13 A13 PCIE CLK
PCIE_TXP B14 A14 PCIE CLK#
PCIE_TXN B15 A15 GND
GND B16 A16 PCIE_RXP
NC B17 A17 PCIE_RXN
GND B18 A18 GND