Table 6-17. LEDs (continued)
Reference
LED Name
Description
D4
GPIO3
Illuminates if GPIO3 is ON
D5
GPIO4
Illuminates if GPIO48 is ON
D6
GPIO5
Illuminates if GPIO5 is ON
D7
GPIO6
Illuminates if GPIO6 is ON
D8
GPIO7
Illuminates if GPIO7 is ON
D11
VDD_EXT
Illuminates if 12V Power is applied to DC-IN J30
D12
VDD5V
Illuminates on +5V
D13
VFEED_POC
Illuminates if VFEED_POC Power is ON
D14
VDDIO
Illuminates on VDDIO Power
7 Enable and Reset
There are two device enable and reset/power-down options for the EVM.
• RC timing option: The C57 external capacitor and R78 pull-up resistor connected to the PDB pin ramp time
after the device is powered on.
• External control option: A push-button (S2) or SW1 position 2 is available for the manual control of the PBD
signal.
Enable and Reset
14
DS90UB960-Q1EVM User's Guide
SNLU226B – FEBRUARY 2018 – REVISED APRIL 2021
Copyright © 2021 Texas Instruments Incorporated