AN 669: Drive-On-Chip Design Example for Cyclone V Devices

ID 683466
Date 5/15/2022
Public
Document Table of Contents

9.4. Drive System Monitor

The Drive-On-Chip Design Example drive system monitor is a state machine that responds to state requests from the software and fault signals from hardware.

Application software writes to the drive system monitor to request a change of state. The hardware may accept or decline the change of state request, depending on the system status (for example, overvoltage status, undervoltage status, and current measurements alter the system status). A subsequent read from the Status register verifies if the design accepts the change of state.

The drive system monitor latches status signals from the system so the signals are available as status register bits and direct outputs. For example, the direct outputs can drive status LEDs.

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