User Guide
42 of 67
002-32601 Rev. *C
2021-12-02
EZ-
PD™ PMG1 MCU prototyping kits guide
CY7110/CY7111/CY7112/CY7113
Kit operation
Table 14
Troubleshooting the kit
#
Issue
Possible cause
Fix
1
User LED (LED3) does not
blink green
The kit is not configured
for operational mode.
Ensure that the jumper shunt on the
power selection jumper (J5) is placed at
positions 1
–
2.
The kit may not be
running the default USB
PD sink firmware.
Check whether the application code
associated with the firmware
downloaded on the kit implements
blinking LED logic.
2
No voltage is observed at the
terminal block (J9)
The firmware downloaded
on the kit may not
implement USB PD
functionality.
Check whether the application code
associated with the firmware
downloaded on the kit implements the
USB PD logic.
The USB PD contract may
not have been successfully
established with the
connected USB-C power
adapter.
Check whether the USB-C power
adapter connected to the USB PD sink
port (J10) is compliant with the USB PD
3.0 specification.
