Microchip Technology UCS1003-1, Руководство пользователя

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UCS1003-1 Evaluation Board User’s Guide
DS50002510A-page 18

2016 Microchip Technology Inc.
2.6 GROUND TEST POINTS ON THE EVALUATION BOARD
Figure 2-5 shows the top of the board and highlights the ground test points.
FIGURE 2-5: Evaluation Board Top View – Ground Test Points.
TABLE 2-4: DATA TEST POINTS DESCRIPTION
Designator Assigned Pin Description
TP1 DP_IN This test point connects to the D
PIN
data line through a 1 M

series resistor.
TP2 DM_IN This test point connects to the D
MIN
data line through a 1 M

series resistor.
TP3 DM_OUT This test point connects to the D
MOUT
data line through a 1 M

series resistor.
TP4 DP_OUT This test point connects to the D
POUT
data line through a 1 M

series resistor.
TABLE 2-5: GROUND TEST POINTS DESCRIPTION
Designator Test Point Type Description
J11, J12 Signal Ground These test points connect to the signal ground of the board.
These are the ground reference for the UCS1003-1.
J13, J14, J15 Earth Ground These test points connect to the earth ground of the board (the
shield of the USB connectors).
J11
Signal ground
J14
Earth ground
J15
Earth ground
J13
Earth ground
J12
Signal ground