User's Manual l TQMa6x & TQMa6xP UM 0403 l © 2019, TQ-Systems GmbH
Page 29
3.2.5.23
USB
The TQMa6x provides one USB Host controller and one USB OTG controller. USB HOST1 and USB OTG provide an integrated
High-Speed PHY. USB HOST1 and USB OTG are available at the connectors as primary function.
The following table shows the signals used by the USB_H1 interface.
Table 43:
Signals USB_H1
Signal name
Direction
i.MX6 ball
TQMa6x
Remark
USB_H1_DP
I/O
E10
X1–32
–
USB_H1_DN
I/O
F10
X1–34
–
USB_H1_PWR
O
T5
X1–39
–
USB_H1_OC
I
R7
X1–41
High-active
USB_H1_VBUS
P
D10
X1–37
Should be directly connected to a 5 V supply
The following table shows the signals used by the USB_OTG interface.
Table 44:
Signals USB_OTG
Signal name
Direction
i.MX6 ball
TQMa6x
Remark
USB_OTG_DP
I/O
A6
X1–49
–
USB_OTG_DN
I/O
B6
X1–51
–
USB_OTG_ID
I
T4
X1–45
Device Mode: Connect to Micro-USB connector
Host Mode:
Connect to Micro-USB connector and to Ground
USB_OTG_PWR
O
E23
X2–70
–
USB_OTG_OC#
I
H20
X2–67
Low-active
USB_OTG_VBUS
P
E9
X1–43
–
3.2.5.24
uSDHC
The uSDHC2 port of the i.MX6 is routed to the connectors to connect an MMC, SD or SDIO card.
The following table shows the signals used by the uSDHC interface.
Table 45:
Signals uSDHC2
Signal name
Direction
i.MX6 ball
TQMa6x
SD2_DAT7
I/O
C18
X2–10
SD2_DAT6
I/O
E17
X2–9
SD2_DAT5
I/O
B18
X2–8
SD2_DAT4
I/O
A19
X2–7
SD2_DAT3
I/O
B22
X2–6
SD2_DAT2
I/O
A23
X2–5
SD2_DAT1
I/O
E20
X2–4
SD2_DAT0
I/O
A22
X2–3
SD2_CLK
O
C21
X2–13
SD2_CMD
I/O
F19
X2–12
SD2_CD#
I
R6
X2–14
SD2_WP
O
T1
X2–11
