Avnet SMARC MSC SM2S-IMX8MINI User Manual page 31

Option
Signal
Availability
USB0+ 1 & 2
USB0-
USB1+ 1
USB1-
2
USB[2:4]+ 1
USB[2:4]-
USB0_VBUS_DET 1 & 2
USB0_OTG_ID 1 & 2
USB0_EN_OC# 1 & 2
USB1_EN_OC# 1
2
USB2_EN_OC# 1
MSC SM2S-IMX8MINI
User Manual
Table 9: USB Signal Description
Pin on
Pin Type Signal Level i.MX8M
Mini
I/O USB B22
A22
I/O USB n.a.
I/O USB B23
A23
I/O USB n.a.
I Analog F22
I 3.3V CMOS D22
I/O OD 3.3V CMOS AB10
I/O OD 3.3V CMOS n.a
I/O OD 3.3V CMOS P26
I/O OD 3.3V CMOS n.a.
Pin name on Power
i.MX8M Mini Tolerance
USB1_DP 3.3V
USB1_DN
n.a. 3.3V
USB2_DP 3.3V
USB2_DN
n.a. 3.3V
USB1_VBUS 5V
USB1_ID 3.3V
GPIO1_IO12 3.3V
n.a 3.3V
NAND_READY_B 3.3V
n.a. 3.3V
PU/PD Description
Differential USB 2.0 data pairs
connected to SoC. Can be
configured as host or device.
Differential USB 2.0 data pairs
connected to USB hub. Can be
configured as host only.
Differential USB 2.0 data pairs
connected to SoC. Can be
configured as host only.
Differential USB 2.0 data pairs
connected to USB hub. Can be
configured as host only.
external VBUS detection pin
PU 10k USB host/client control select pin for
3.3V the USB controller on the module
PU 10k Host/client dependent enable signal
3.3V for USB power switch on the carrier
board. *
PU 10k Multi-function signal for enabling
3.3V USB power and indicating an over-
*
current event.
PU 10k Multi-function signal for enabling
3.3V USB power and indicating an over-
*
current event.
PU 10k Multi-function signal for enabling
3.3V USB power and indicating an over-
*
current event.
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