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SSM2518 REV 1 EVALUATION BOARD OPERATION (PRELIMINARY!)
Description of Setup:
The SSM2518 evaluation setup consists of the following:
1) A fully integrated SSM2518 evaluation board, EVAL-SSM2518Z
2) Analog Devices USB-to-I2C adapter dongle, EVAL-ADUSB2Z.
The SSM2518 can operate in stand-alone mode without the need for I2C control, as shown in Figure 1. In order to
evaluate full functionality of the SSM2518, the user must use I2C. A GUI has been developed using the SigmaStudio
development platform. The ADUSB2Z dongle is able to interface between the GUI and the evaluation board, as
shown in Figure 2.
Figure 1: Picture of SSM2518 Evaluation Board (operating in stand-alone mode, without I2C)
Digital Audio Group, Analog Devices, Inc.
March 8, 2010
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Summary of Contents for Analog Devices SSM2518
- Page 1 2) Analog Devices USB-to-I2C adapter dongle, EVAL-ADUSB2Z. The SSM2518 can operate in stand-alone mode without the need for I2C control, as shown in Figure 1. In order to evaluate full functionality of the SSM2518, the user must use I2C. A GUI has been developed using the SigmaStudio development platform.
- Page 2 P21. The logic level for these signals is established on U6 – U9. I2CVDD: This is the pull-up voltage for the I2C pins of SSM2518. This voltage can be set to either onboard IOVDD or and external I2C pull-up by inserting a jumper across the designated pins of P22.
- Page 3 Section 2 – Digital Audio Source: The SSM2518 evaluation board has two options for digital audio signals: 1) Use an external digital audio source, such as Audio Precision PSIA 2722 (source on pins P8-11), or 2) Use the onboard digital audio receiver and source digital audio using the SPDIF or TORX connections.
- Page 4 Section 3 – I2C Section: The SSM2518 can operate with or without I2C control. If it is desired to evaluate the part in Stand Alone mode, simply insert a jumper across the SAMOD and DVDD terminals of P15. To put the part into I2C mode, insert a jumper across the SAMOD and GND terminals of P15.
- Page 5 Figure 7: SSM2518 I2C Mode Configuration using ADUSB2 Dongle Section 4 – GUI / ADUSB2 Installation: A graphical user interface for the SSM2518 has been created in the Analog Devices, Inc. SigmaStudio environment. SigmaStudio must first be downloaded and installed on the user’s PC from the following link: http://www.analog.com/en/audiovideo-products/audio-signal-...
- Page 6 4) Click the “Link Compile Connect” icon on the SigmaStudio toolbar to initialize communication from the PC to the ADUSB2 dongle and SSM2518 evaluation board. 5) The various user interface options are available by selection via a right mouse click on the main SSM2518 icon in the Hardware Configuration window.
- Page 7 Figure 8: SSM2518 GUI – Initial Project Setup in SigmaStudio (*note, Link-Compile-Connect button is highlighted) Figure 9: SSM2518 GUI – Main Functionality Window...
- Page 8 Figure 10: SSM2518 GUI – DRC Functionality Window Figure 11: SSM2518 GUI – I2C Register Direct Read/Write Window...
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