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See Technical Specifications

XR21B1422IL40-F +BOM

With XR21B1422IL40-F, you get a USB interface IC offering 2 CH FS USB UART and 512 Byte TX/RX FIFOs

Manufacturer:

MaxLinear, Inc
Mfr.Part #:

XR21B1422IL40-F
Datasheet:

XR21B1422IL40-F Datasheet (PDF)
Programmable:

Not Verified
Protocol:

USB
Function:

Bridge, USB to UART
Interface:

UART
EDA/CAD Models:

Request Free CAD Models for XR21B1422IL40-F

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XR21B1422IL40-F General Description

USB Interface IC 2 CH FS USB UART= 512 Byte TX/RX FIFOs

The XR21B1422 is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to USB interface. The USB interface is fully compliant to the USB 2.0 (Full-Speed) specification with 12 Mbps USB data transfer rate. The USB interface also supports USB suspend, resume and remote wakeup operations. The USB Vendor ID, Product ID, power mode, remote wakeup support, maximum power, and numerous other settings may be programmed in the on-chip OTP memory via the USB interface.

Key Features

• ±15kV ESD on USBD+/USBD-
• USB 2.0 Compliant, Full-Speed (12Mbps)
• Unique pre-programmed USB serial number
• Internally generated 48MHz core clock
• Enhanced UART features
• Baud rates from 300 bps to 12 Mbps
• Fractional Baud Rate Generator
• 512-byte TX and 512-byte RX FIFOs
• Auto Hardware / Software Flow Control
• Multidrop and Half-Duplex Modes
• Auto RS-485 Half-Duplex Control
• Selectable GPIO or Modem I/O
• Up to 10 GPIOs per channel
• 5V tolerant GPIO inputs
• Suspend state GPIO configuration
• Configurable clock output
• 40-pin QFN package
• Industrial -40°C to +85°C Temperature
Range

Application

• Building Automation
• Security Systems
• Factory and Process Control
• ATM Terminals
• USB to Serial Controllers

Specifications

Category	Integrated Circuits (ICs)InterfaceControllers	Series	-
Programmable	Not Verified	Protocol	USB
Function	Bridge, USB to UART	Interface	UART
Standards	USB 2.0	Voltage - Supply	3V ~ 5.25V
Current - Supply	15mA	Operating Temperature	-40°C ~ 85°C
Base Product Number	XR21B1422