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3.1.6
Pinning/Connectors
3.1.6.1 USB1 (J1)
USB1 is used as power supply for the XB112 and the XM112. It is also used for flashing and
communicating over UART. USB1 is connected to the FTDI chip FT230XS which converts the
UART interface from XM112 into USB signals. The pinout of USB1 is shown in
.
Pin Number
1
2
3
4
5
3.1.6.2 USB2 (J2)
USB2 is used for high speed data read out from the module SPI interface. It is converted to USB via
the FTDI chip FT4222H. The pinout of USB2 is shown in Table 3.
Pin Number
1
2
3
4
5
Page 19 of 41
2022-08-25
HP module EVK hardware user guide – XM112, XB112
Table 2. The pinout of J1.
Signal
VBUS
D-
D+
ID (GND)
GND
Table 3. The pinout of J2.
Signal
VBUS
D-
D+
ID (GND)
GND
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,
LH112
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