Cypress Semiconductor CY3280-MBR3 Manual De Usuario

CY3280-MBR3 Evaluation Kit User Guide, Doc. #: 001-89905 Rev. *B

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Hardware

Figure 4-12.  Button Sensor and Proximity Loop Connections on the Kit

4.3.5

CY3280-MBR3 Kit LEDs

The EVK has seven onboard LEDs. A green LED (D15) indicates the status of the USB-I

2

C bridge. A

red LED (D13) indicates the status of the power supplied to the board. 

The kit also has an active-low red LED for each CapSense button and proximity loop. The
CY8CMBR3116 drives these LEDs by driving the GPO low.

 and 

 detail the schematic of the LEDs.

Note: These LEDs are dim when working at 1.8 V compared to 3.3-V and 4.7-V operation.

Figure 4-13.  Power and Status LED Connection