Microchip Technology EVB-USB3503 QFN, Руководство пользователя

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EVB-USB3503 QFN Evaluation Board User’s Guide
DS50002252A-page 14
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2014 Microchip Technology Inc.
2.1.5 Interrupt LED
LED1 shows the status of the INT_N pin and allows the user to monitor interrupts. The
behavior of the INT_N pin is user-configurable and can be changed by writing to a con-
figuration register.
2.1.6 Connector Descriptions
The EVB-USB3503 features HSIC upstream and 3 downstream USB ports, an I
2
C con-
figuration header, and several voltage test points. See Table 2-3 for the complete list of
connectors. See Figure 2-2 for an image of the connectors on the EVB. For more
details, please see Appendix A. “EVB-USB3503 QFN Evaluation Board Schemat-
ics”.
FIGURE 2-4: VOLTAGE SOURCE CONTROL RESISTORS
TABLE 2-3: CONNECTOR DESCRIPTION
CONNECTOR TYPE DESCRIPTION
J1 2x5 headers Aardvark
I
2
C
connection
J3 2.1 mm power
jack
+5 VDC power supply connection
J4 U.FL connector Upstream HSIC Data line connection
J5 U.FL
connector
Upstream HSIC Strobe line connection
TP1 Test point Ground test point
TP2 Test point VBAT +3.3 VDC test point