MaxLinear XR21B1420IL28-0A-EVB USB to RS-232/422/485 Evaluation Board

Overview

USB to serial evaluation board. Supports RS-232, RS-422, and RS-485. Made by MaxLinear, formerly Exar. Supposedly supports higher than usual baudrates, up to 12Mbaud.

MaxLinear XR21B1420IL28-0A-EVB | DigiKey

MaxLinear XR21B1420IL28-0A-EVB | Mouser

Wiring Diagram

• Page 5 of the SP339E datasheet shows the DE9 pinout

Bill of Materials

Name	Part
U2	MaxLinear SP339ECR1-L
U3	MaxLinear XR21B1420IL28-F

Online Resources

Exar XR21B1420IL28-0A-EVB Evaluation Board User’s Manual Rev 1A

Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0

MaxLinear XR21B1420 Datasheet

MaxLinear SP339E Datasheet

XR21B1420 - MaxLinear

Exar XR21B1420IL28-0A-EVB Evaluation Board User’s Manual Rev 1A

Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0

Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0

running Due at 1Mbaud and 2.5M baud [SOLVED] | AVR Freaks