Cypress Semiconductor EZ-USB GX3 CY4701, Reference Design Manual, Page: 19 / 23

Hardware
CY4701 EZ-
USB® GX3™ Reference Design Guide Doc. No. 001-97892 Rev. **
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4.3.4 Serial EEPROM
A serial EEPROM ( Figure 4-5 ) is connected to the GX3 via a serial interface.GX3 reads the EEPROM data at boot time.
Figure 4-5. EEPROM Schematic
4.3.5 LEDs
The CY4701 RDK includes two LEDs ( Figure 4-6 ):

LED1: This LED will turn on to indicate that the RDK is connected to the USB 3.0 port. During active data transfers, it
will blink, indicating activity over USB 3.0 lines.

LED2: This LED is the Ethernet activity LED. It will blink to indicate activity on the Ethernet port.
Figure 4-6. LED Schematic