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UM980eb User Manual
16 Debug Support UC-08-M32 EN R1.0
U1B UM980
Figure 6-3 UM980 Pads (Y1-Y52) and Socket Mounting Holes (X1-X8)
7 Debug Support
As mentioned above, TP1 and TP9 can be used to connect an external power to supply
VCCIN and V_BCKP and to measure the supply voltage and current.
TP2, TP3, TP5 and TP7 are used for internal debugging, of which TP5 and TP7 can be
used to debug I 2 C.
J1 is used for MMCX connection. After soldering the MMCX connector, it can be used to
measure the PPS signals.
J2, J3, J6 and J7 are debug ports. Connect the signal that needs to be tested to the
square hole and test the round hole, or connect the round hole to a measuring
instrument. Using these debug ports can avoid damage to the PCB pads and traces,
which is convenient for debugging.