MaxLinear XR77XXEVB-XCM-V80 Manual
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MaxLinear XR77XXEVB-XCM-V80 Manual

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October 2017
GENERAL DESCRIPTION
The
XR77XXEVB-XCM-V80
Module or XCM) is a board that is designed to
act as a USB to I
C bridge for communication
2
between a PC running PowerArchitect
configuration and design software and one of
MaxLinear's Universal PMICs.
This XCM is for development purposes only.
For production, we recommend the use of
third-party
programming
software. For additional information regarding
recommended
third-party
support,
visit
https://www.exar.com/third-
party-programming-support
The PMIC can either be on a MaxLinear
evaluation board or on a customer board. On
the right opposite side of the XCM is a 10-pin
connector which is used to connect to the
user's system board in order to communicate
to any of the supported PMICs.
The XCM includes a µC with on-board flash so
that when powered from the system board, it
can act as a boot loader without the need to
have a PC connected.
This board is compatible with: XR77103,
XRP7704, XRP7708, XRP7740, XRP7713, and
XRP7714.
EVALUATION BOARD SCHEMATICS
© 2017 Maxlinear, Inc.
(Configuration
4
TM
hardware
and
programming
Figure 1: XR77XXEVB-XCM-V80 Evaluation Board Schematics
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FEATURES
• USB to I
C Communication for
2
Programmable PMIC Devices
• Boot Loader Functionality
− Avoids programming the NVM until final
configuration known
• Powered by USB or System Board
• Enables Rapid Prototyping
• NOTE: For Development Purposes Only
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Summary of Contents for MaxLinear XR77XXEVB-XCM-V80

  • Page 1 The PMIC can either be on a MaxLinear evaluation board or on a customer board. On FEATURES the right opposite side of the XCM is a 10-pin connector which is used to connect to the •...

  • Page 2: Pin Assignment

    PIN ASSIGNMENT Figure 2: XR77XXEVB-XCM-V80 JP4 Pin Assignment PIN DESCRIPTION Name Pin Number Description JP4 PIN1 I2C Clock JP4 PIN2 Ground JP4 PIN3 I2C Data JP4 PIN4 General purpose signal 2 Sig_2 Connect to the preferred IO voltage. Only required when a voltage other than 3.3V is...

  • Page 3: Using The Evaluation Board

    Low to High (not available for a system intended to interact with the XR77103). programmable features of the PMIC device on the system board. DS1: USB Activity Flashes based upon the USB activity between the XCM and the PC. © 2017 Maxlinear, Inc. Rev. 1.0.1...

  • Page 4: Standalone Mode

    NVM registers maximum input voltage of 30V, so whatever for display in PowerArchitect voltage source is powering the PMIC device on the system board can be connected to the XCM. © 2017 Maxlinear, Inc. Rev. 1.0.1...
  • Page 5 • Another possibility if communication is not working is a long ground loop causing noise. One could put an isolator on the I2C line, but using a notebook computer with the power adapter disconnected works as well. © 2017 Maxlinear, Inc. Rev. 1.0.1...

  • Page 6: Evaluation Board Schematics

    EVALUATION BOARD SCHEMATICS © 2017 Maxlinear, Inc. Rev. 1.0.1...

  • Page 7: Bill Of Material

    USB_B_mini CONN RECEPT MINIUSB R/A 5POS SMD Wurth Elektronik 65100516121 JP1, JP4 CONN Header 5x2, 0.1 inch Wurth Elektronik 61308021121 HDR2X5 JP2, JP3 CONN HEADER 3POS 0.1 VERT GOLD Wurth Elektronik 61304011121 HDR1X3 T9, T10, T11, TEST POINT © 2017 Maxlinear, Inc. Rev. 1.0.1...

  • Page 8: Evaluation Board Layout

    EVALUATION BOARD LAYOUT © 2017 Maxlinear, Inc. Rev. 1.0.1...

  • Page 9: Document Revision History

    The content of this document is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by MaxLinear, Inc.. MaxLinear, Inc. assumes no responsibility or liability for any errors or inaccuracies that may appear in the informational content contained in this guide. Complying with all applicable copyright laws is the responsibility of the user.

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