LogiCoA™ Power Solutions Serial communication of RMOS and GUI developing manual Application Note

2024-12-03
■Introduction
●The microcontroller for Power Supply Control ML62Q203x/ML62Q204x (hereinafter referred to ML62Q20xx group) has two communication interfaces of UART/I²C. RMOS (Real time Micro Operating System) provided by us uses UART to create a frame configuration and a packet configuration in advance and provide it as a software that enables communication control using Excel VBA. Communications between the MCU and PC can be easily performed by writing RMOS and setting commands arbitrarily in Excel VBA. The user can also easily create GUI to control communications. Another benefit is that it implements a communications protocol that can communicate with up to 32 power supplies for a single PC by software processing RMOS.
●This application note introduces the protocol for serial communication using UART, explanations of communication functions (such as how to append to commands), and how to use the communication GUI developing environmental. The communication described here uses a buck DCDC converter (hereafter buck converter) EVK, LogiCoA001-EVK-001 (hereafter buck converter EVK).

ROHM

ML62Q203xML62Q204xML62Q20xx groupML62Q20xx

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microcontroller

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Application note & Design Guide

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English Chinese Chinese and English Japanese

5. June. 2024

Rev.001

66AN149E

2.4 MB

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