# Lattice Sentry I2C Filter

## Description

Lattice Sentry I2C Filter is is designed to function as an invisible relay from the point of view of both Controller and Target devices on the bus. It is meant to be directly attached to the Controller port and protect all Target devices against malicious traffic generated from the Controller port based on a allow list of allowable commands set by the host (such as CPU, FPGA RoT design, and others).

## Devices Supported

MachXO3D, Mach-NX, MachXO5-NX, MachXO4

## References

- User Guide
- IP Release Notes