Model 5402 Main MCU Firmware

File Name: M5402v2r06.stm

Version History:

Version: 2.06
Release Date: 16-Apr-2026
Description: Fixes bug where GNSS Sync would only lock at 48 kHz sample rate. Adds Dante Device Lock and Domain Manager (DDM) information to front panel menu and webpages. Now disables setting Dante interface settings from the MCU when the Dante interface is locked, or enrolled in a domain and not connected. Improves front-panel LED handling and LCD initialization. Updates Dante HostCPU to v4.4.5.1.

Version: 2.05
Release Date: 16-Jun-2025
Description: Improves handling of special characters in Management Login Credentials.

Version: 2.04
Release Date: 10-Dec-2024
Description: Increases reliability GNSS clock source. Corrects Sync FPGA error display. Adds sync source error counting for debugging.

Version: 2.03
Release Date: 26-Jun-2023
Description: Corrects bug setting Manual Primary Dante IP Address and Subnet Mask from Front Panel where values were not initialized.

Version: 2.02
Release Date: 20-Jan-2023
Description: Minor improvements to HTTP server.

Version: 2.01
Release Date: 01-Nov-2022
Description: Fixes bug randomly generating Link-local IP Addresses. Adds ability to restore default Management Interface and Access Settings.

Version: 2.00
Release Date: 13-Sep-2022
Description: Upgraded IP and HTTP server performance. Adds support for multiple Main FPGA hardware variants.

Version: 1.04
Release Date: 11-Mar-2022
Description: Adds support for STcontroller application. (Requires STcontroller v3.07.14 and later.) Changes ping command data size from 32 bytes to 56 bytes.
Note: Correct Model 5402 operation using this version requires that the unit also be using Main FPGA Firmware v1.04 or later and Dante Firmware v1.1.0 or later.

Version: 1.03
Release Date: 03-Jan-2022
Description: Adds support for Rev C Sync Circuit Board (applies to serial numbers 00201 and later).
Note: Correct Model 5402 operation using this version requires that the unit also be using Main FPGA Firmware v1.04 or later and Dante Firmware v1.1.0 or later. 

Version: 1.02
Release Date: 13-Jul-2021
Description: Fixes bug when Main Clock Source set for Sync Input and Sync Input Type set to Video. Introduced in Main MCU Firmware v1.01.
Note: Correct Model 5402 operation using this version requires that the unit also be using Main FPGA Firmware v1.04 or later and Dante Firmware v1.1.0 or later. 

Version: 1.01
Release Date: 29-Jun-2021
Description: Adds support for 176.4 and 192 kHz sample rates. Corrects polarity inversion on word clock output. Includes various bug fixes and improvements.
Note: Correct Model 5402 operation using this version requires that the unit also be using Main FPGA Firmware v1.04 or later and Dante Firmware v1.1.0 or later. 

Version: 1.00
Release Date: 20-Apr-2021
Description: Initial Release.