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4/2022
NXP Semiconductors
UM11401
FRDMGD31RPEVM half-bridge evaluation board
•
Pins tab functionality
–
Set control levels. Default values are shown.
–
Read and automatically poll INTB pins (INTA pins are added for GD3160).
–
Control pins set values to a default to a functional state.
– FSENB - enable/disable fail-safe enable
– EN_PS - enables flyback supply on EVB at 17 V V
CC
on high side and low side
– FSSTATEL and FSSTATEH set the fail-safe state when FSENB is enabled
– PWML and PWMH set the default state PWM inputs for high side and low side
Figure 21. Pins tab functionality
•
Status tab functionality
–
Monitors Status 1 and Status 2 fault bits. Bits that are set are shown in red.
–
Ability to clear all faults and automatically poll status registers.
Figure 22. Status tab functionality
UM11401
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User guide
Rev. 2 — 22 January 2021
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