The TUSB3410 device provides bridging between a USB port and an enhanced UART serial
port. The device contains an 8052 microcontroller unit (MCU) with 16KB of RAM that can be loaded
from the host or from the external onboard memory through an I2C. The
device also contains 10KB of ROM that allows the MCU to configure the USB port at boot time. The
ROM code also contains an I2C bootloader. All device functions (such as
the USB command decoding, UART setup, and error reporting) are managed by the internal MCU firmware
in unison with the PC host.
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