USB3-FRM14 Users Manual (Rev 1.1)
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- http://www.daqsystem.com
2.4.2 J1 Connecter (3Pin Header, 2.54mm)
External RS-232 Debug Port.
1
2
3
[Figure 2-4. J2 Connector (Top View)]
[Table 4. J2 PIN-OUT Description]
No.
Name
Description
1
U_SPI_MISO
Tx (Transceiver Data)
2
U_SPI_MOSI
Rx (Receiver Data)
3
GND
Ground
2.4.3 J2 Switch
USB3-FRM14 board is designed of four maximum USB3-FRM14 boards at the same time so
as usable. Distribution of each board sets it up through 4 pin switch (J2) in a board.
1
ON
OFF
J2
2
[Figure 2-5. J2 Switchj]
[Table 5. J2 Description]
1
2
Description
OFF
OFF
Board No. 0
ON
OFF
Board No. 1
OFF
ON
Board No. 2
ON
ON
Board No. 3
