KTD-N0904-E
Page 33
Slot Connectors
pITX-E38 Users Guide
MicroSD card slot
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
