User's Manual l MBa57xx UM 0100 l © 2020, TQ-Systems GmbH
Page 22
4.2.3
USB 2.0 Hi-Speed OTG
Both USB OTG interfaces of the TQMa57xx are provided on the MBa57xx.
OTG1 is available with all TQMa57xx variants as 5-pin Micro AB socket.
The OTG port of the TQMa57xx provides a theoretical data rate of 480 Mbit/s.
The data rate can significantly deviate depending on the hardware and software used.
Illustration 11:
Block diagram USB 2.0 Hi-Speed OTG
The USB OTG interface of the TQMa57xx is connected on the MBa57xx to the USB2.0 Micro AB connector X9.
The following table shows the pin assignment.
Table 23:
Pinout USB OTG, USB Micro AB, X9
Pin
Pin name
Signal
Dir.
Remark
1
VBUS
USB2_OTG_VBUS
P
100 µF to DGND; EMI filter
2
D–
USB2_OTG_N
I/O
Common Mode Choke in series
3
D+
USB2_OTG_P
I/O
Common Mode Choke in series
4
ID
USB2_OTG_ID
I
–
5
DGND
DGND
P
–
M1 – M6
DGND
DGND
P
–