The MAX3420EECJ+ is an integrated circuit (IC) component developed by Maxim Integrated. It is a USB peripheral/host controller that offers versatile USB functionality to a wide range of devices. This highly capable IC provides a plethora of key features that enable seamless USB connectivity and control.
One of the notable features of the MAX3420EECJ+ is its ability to function as a USB host or peripheral device. As a host controller, it can manage USB peripherals such as keyboards, mice, storage devices, and printers. Conversely, as a peripheral device, it can connect to a USB host, allowing devices like microcontrollers or embedded systems to communicate with a PC or other USB host devices.
The IC supports both full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s) USB data rates. It features an integrated USB transceiver, which simplifies system design and reduces component count. Furthermore, the MAX3420EECJ+ incorporates an 8052 microcontroller core, which executes USB control firmware and other peripheral tasks.
To facilitate communication and data transfer, the IC offers various communication interfaces. It includes an I2C serial interface, which allows easy integration with microcontrollers or other external devices. Additionally, it provides a parallel interface for connecting to external memory or other peripheral chips.
The MAX3420EECJ+ also supports multiple power management modes to optimize energy consumption
