XR21B1411IL-0A-EB Exar Corporation, XR21B1411IL-0A-EB Datasheet - Page 2

• Manufacturer Part Number: XR21B1411IL-0A-EB
• Description: EVAL BOARD UART SR21B1411
• Manufacturer: Exar Corporation

Specifications of XR21B1411IL-0A-EB

• Mfg Application Notes: Board Design Considerations AppNote
• Design Resources: XR21B1411 SP337 Eval Brd Schematic
• Interface Type: RS-232, RS-422, RS-485, USB, UART
• Operating Supply Voltage: 5 V
• Product: Interface Modules
• Silicon Core Number: XR21B1411
• Application Sub Type: UART
• Kit Contents: Board
• Silicon Manufacturer: Exar
• Kit Application Type: Communication & Networking
• For Use With/related Products: XR21B1411
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1380

XR21B1411 USER’S MANUAL
WEB CONFIGURATION TOOL USER’S MANUAL
1.0 OVERVIEW............................................................................................................................................... 3
2.0 GPIO PIN CONFIGURATIONS ................................................................................................................ 3
3.0 USB CONFIGURATIONS......................................................................................................................... 9
4.0 UART SETTING CONFIGURATIONS.................................................................................................... 11
5.0 CHECK DESIGN AND GENERATE CONFIGURATION FILE............................................................... 12
6.0 XR21B1411 SOFTWARE DRIVER AND OTP PROGRAMMING TOOL ............................................... 13
7.0 TECHNICAL SUPPORT ......................................................................................................................... 14
2.1 CONFIGURING THE GPIO PINS IN GPIO MODE .............................................................................................. 3
2.2 CONFIGURING THE GPIO PINS IN AUTO RTS/CTS FLOW CONTROL MODE .............................................. 6
2.3 CONFIGURING THE GPIO PINS IN AUTO DTR/DSR FLOW CONTROL MODE.............................................. 7
2.4 CONFIGURING THE GPIO PINS IN AUTO HALF-DUPLEX TRANSCEIVER ENABLE MODE ........................ 8
3.1 ENTERING A VALID VENDOR ID AND PRODUCT ID....................................................................................... 9
3.2 USB MANUFACTURER, PRODUCT, SERIAL NUMBER STRINGS................................................................ 10
3.3 REMOTE WAKE-UP SUPPORT........................................................................................................................ 10
3.4 SELECTING THE POWER MODE..................................................................................................................... 10
3.5 USB MAX POWER............................................................................................................................................. 10
3.6 LOWPOWER PIN POLARITY............................................................................................................................ 10
4.1 SELECTING THE CORE CLOCK FREQUENCY .............................................................................................. 12
4.2 SELECTING THE UART DEFAULT SETTINGS ............................................................................................... 12
2.1.1 CONFIGURING GPIO INPUTS ....................................................................................................................................... 4
2.1.2 CONFIGURING GPIO OUTPUTS ................................................................................................................................... 5
2.1.1.1 E
2.1.1.2 E
NABLING INTERNAL PULL
NABLING
GPIO
INTERRUPTS
TABLE OF CONTENTS
-
UP OR PULL
................................................................................................................................. 4
-
DOWN RESISTORS
2
....................................................................................... 4
REV. 1.0.0