MCP2221AT-I/ML

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The MCP2221AT-I/ML is a USB-to-UART serial converter developed by Microchip Technology, an interface controller that allows computers and microcontrollers to communicate with each other via a USB port. This interface controller makes it possible for microcontrollers to be used for applications that require USB connectivity, without needing any external components. The MCP2221AT-I/ML is capable of supporting power management, full-speed traffic, live plug-and-play, over-the-air firmware updates, on-board user-programmable EEPROM, and other features.

The MCP2221AT-I/ML is a USB-to-UART communications interface controller designed to enable easy embedded applications solutions by offering an ultra-compact solution in a 14-pin QFN package. The device is designed to offer a simple bridge between USB and UART ports, making it possible to connect embedded applications to a computer’s USB port. The MCP2221AT-I/ML offers an on-board USB connector, USB-compatible UART engine, I2C/SPI interface, and USB power management. The device has a USB-Bus-power mode that allows the user to select a desired voltage and current limit.

The MCP2221AT-I/ML is a full-speed USB device. The USB interface offers both D+ and D- speed mode selection. The device is provided in a QFN14-pin package, and the board layout includes board level trace filters for EMC/ESD protection. The MCP2221AT-I/ML’s single UART controller supports up to 19200 baud rate. Both loop back and multi-function data (RTS, CTS, DTR, DSR, etc.) functions are supported. It also supports bit-bang GPIO.

The MCP2221AT-I/ML’s LED indicator LED displays the Bus power status and USB status, allowing the user to check the connection status at any time. The device includes an on-board EEPROM which can be used for device configuration. The on-board EEPROM provides user-programmable read/write data storage up to 4KB. The USB interface allows for applications to configure their USB connection with the MCP2221AT-I/ML, including setting USB parameters such as VID, PID, USB string descriptors, etc.

The MCP2221AT-I/ML has a built-in I2C/SPI peripheral that allows for communication with external slaves. The I2C/SPI peripheral can be used to interact with external peripherals such as lEDs, sensors, etc. The device also has an on-board EEPROM which can be used to store device configuration information and log data. The on-board EEPROM can be programmed with a Windows-compatible utility.

The MCP2221AT-I/ML’s power management feature allows the user to set the voltage and current limit of the USB connection. This can be used to ensure that the device is not drawing too much power, which can lead to unstable or inconsistent power output. The power management feature can also be used to detect when the USB connection has become disconnected, allowing the user to safely disconnect the device without losing important data.

The MCP2221AT-I/ML also features an on-board USB interface, allowing the device to be connected directly to the computer. This interface can be used to update the device’s firmware, making it possible to update the device’s features without needing to open up the product. The USB interface also allows for live over-the-air programming and debugging of the product.

The MCP2221AT-I/ML makes it possible to add USB connectivity to embedded applications. Its advanced features and capabilities make it an ideal choice for a variety of applications that require USB connectivity. The device’s low power consumption, compact size, and wide range of features make it an attractive option for embedded applications that require USB connections.

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