pITX-iMX8M – User Guide Rev. 1.4
www.kontron.com
// 35
6.3.
MicroSD and MicroSIM (J12)
The pITX-iMX8M board supports micro SD cards via micro SD/micro SIM combo connector.
The micro SD card interface supports the following transfer modes:
SD 1-bit
SD 4-bit
SD/SDIO full speed mode up to 25 MHz
SD/SDIO high speed mode up to 50 MHz
SD/SDIO UHS-I mode up to 208 MHz in SDR mode and up to 50 MHz in DDR mode.
Micro SD Card write protection switchable via SW2: 1-4
Figure 11: Combo Connector for MicroSD and MicroSIM
Table 11: Pin Assignment MicroSIM Combo Socket
Pin
Function
Direction
Description
S1
V_UIM_PWR
Power
S2
UIM_RST
Out
S3
UIM_CLK
Out
S4
NC
S5
GND
Ground
S6
NC
S7
UIM_DATA
In/Out
S8
NC
T1
SDIO_DAT2
In/Out
T2
SDIO_DAT3
In/Out
T3
SDIO_CMD
In/Out
T4
V_3V3_SD
Power
+3.3V
T5
SDIO_CLK
In/Out
T6
GND
Ground
T7
SDIO_DAT0
In/Out
Summary of Contents for 44011-0208-13-2
Page 1: ...USER GUIDE pITX iMX8M User Guide Rev 1 4 Doc ID 1064 7940...
Page 2: ...pITX iMX8M User Guide Rev 1 4 This page has been intentionally left blank...
Page 23: ...pITX iMX8M User Guide Rev 1 4 www kontron com 23 4 3 Block Diagram Figure 3 Block Diagram...
Page 24: ...pITX iMX8M User Guide Rev 1 4 www kontron com 24...
