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3.125 Gbps Crosspoint Switch (XPS)
UT65CML8X8FD-EVB-UM Evaluation Board
1.0 Introduction
The UT65CML8X8FD-EVB Evaluation Board provides a comprehensive platform for evaluating the UT65CML8X8FD
3.125 Gbps Crosspoint Switch (XPS). The XPS is configured via the internal registers as specified in the register map
section of the data sheet. Internal registers are configured via the XPS SPI port. A Software (SW) Graphical User
Interface (GUI) is provided with the UT65CML8X8FD-EVB to facilitate setup of the XPS device. Users can specify
high-speed signal routing paths, input receiver (RX) equalization (EQ), output transmitter (TX) amplitude, and all
other User-configurable operating parameters through the SW GUI. This User Guide serves to provide setup and
operation of the UT65CML8X8FD-EVB, including both Hardware (HW) and Software (SW).
Figure 1: UT65CML8X8FD-EVB Crosspoint Switch Evaluaton Board
Top View (TX Side)
4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 |
caes.com
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Summary of Contents for COBHAM CAES UT65CML8X8FD-EVB-UM
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Page 1: Introduction
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 1.0 Introduction The UT65CML8X8FD-EVB Evaluation Board provides a comprehensive platform for evaluating the UT65CML8X8FD 3.125 Gbps Crosspoint Switch (XPS). The XPS is configured via the internal registers as specified in the register map section of the data sheet. -
Page 2: Reference Documents
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 2.0 Reference Documents Description Reference Document UT65CML8X8FD XPS https://caes.com/products/radiation-hardened-solutions-high-reliability- components/interconnect/crosspoint-switch 1) Data Sheet https://caes.com/sites/default/files/documents/Datasheet-UT65CML8X8FD.pdf UT65CML8X8FD-EVB https://caes.com/product/ut65cml8x8fd#downloads 1) PCB Layout Information 2) EVB GUI SW 3) EVB User Manual 3.0 Evaluation Kit Contents ... -
Page 3: Table Of Contents
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 4.0 Table of Contents Table of Contents 1.0 Introduction ............................1 Figure 1: UT65CML8X8FD-EVB Crosspoint Switch Evaluaton Board Top View (TX Side) ........1 2.0 Reference Documents ..........................2 3.0 Evaluation Kit Contents ........................... 2 4.0 Table of Contents ........................... -
Page 4: Evaluation Board (Evb) Configuration
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 5.0 Evaluation Board (EVB) Configuration 5a) EVB - Top View (TX Side) SPI Master Port Header Pins Figure 2: UT65CML8X8FD-EVB Crosspoint Switch Evaluaton Board – Top View (TX Side) Mounted with C-BGA Proto DUT 5b) EVB - Bottom View (RX Side) 4350 Centennial Blvd. - Page 5 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 3: UT65CML8X8FD-EVB Crosspoint Switch Evaluaton Board – Bottom View (RX Side) 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
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Page 6: Test Equipment List
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 6.0 Test Equipment List Item # Description Function/Purpose Quantity UT65CML8X8FD XPS Evaluation Board Rev. 2.0 with BGA Proto Soldered XPS Evaluation Board Rev. 2.0 Differential Output 3.125 Gbps Pulse Pattern Generator for Input Stimulus Pattern Generator (PRBS/XAUI/etc.) Differential input oscilloscope with Oscilloscope for Output Display... -
Page 7: Test Equipment Setup Diagram
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 7.0 Test Equipment setup diagram Figure 4: Test Equipment Setup Diagram 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com... -
Page 8: Operating Instructions
3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board 8.0 Operating Instructions 8a) Hardware (HW) Setup XPS functional overview: Figures 5a, 5b show the functional diagram of the UT65CML8X8FD-EVB configuration. Figure 5a shows all possible XPS switch connections by device programming using the SW GUI. Figure 5b shows the XPS default switch connections at power-up. - Page 9 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 5b: Evaluation Board Test Configuration – Default XPS Connections Configure Hardware: Connect power, SPI interface, and high-speed signal cables, as shown in Figures 1, 4, 6. The UT65CML8X8FD-EVB can be oriented either horizontally (as shown), or vertically to facilitate test equipment setup. This flexible orientation is facilitated by having all high-speed RX inputs on the bottom side and all high-speed TX outputs on the top side of the EVB.
- Page 10 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 6: Example UT65CML8X8FD-EVB Test Equipment Setup Figure 7: NI USB-6501 USB-to-SPI Interface Device - USB AB 2.0 Cable + Custom Cable Assembly Attached 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 11 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 8: Close-up View of EVB Master SPI Port Header + Cable Assembly Connector Interface 8b) Software (SW) Setup The CAES UT65CML8X8FD-EVB XPS Evaluation Board Graphical User Interface (GUI) Software (SW) is required to configure the XPS IC via the internal registers.
- Page 12 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Button Figure 9: XPS GUI “Miscellaneous” Settings Tab Parameters Figure 10: XPS GUI “Receiver (RX)” Settings Tab Parameters 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 13 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 11: XPS GUI “Transmitter (TX)” Settings Tab Parameters 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 14 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 12: Schematics 1/5 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 15 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 13: Schematics 2/5 Note: 04/06/22: Schematic error: TXP/N_3_3 are reversed; TXP_3_3 = Pin G11, TXN_3_3 = Pin G12 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 16 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 14: Schematics 3/5 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 17 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 15: Schematics 4/5 Note: 04/06/22: Schematic error: TXP/N_3_3 are reversed; TXP_3_3 = Pin G11, TXN_3_3 = Pin G12 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 18 3.125 Gbps Crosspoint Switch (XPS) UT65CML8X8FD-EVB-UM Evaluation Board Figure 16: Schematics 5/5 4350 Centennial Blvd. | Colorado Springs CO 80907 USA | 1-800-645-8862 | caes.com...
- Page 19 TP_40D Digikey 36-5003-ND Keystone 5003 TESTPOINT TP_40D Digikey 36-5004-ND Keystone 5004 UT65CML8X8FD 143LGA_1mm_14mm5 CAES WQ04AAE3OANAA Cobham UT65CML8X8FD 3.125 Gbps XPS IC, C-BGA Pkg. U2,U3 74LVC8T245 TSSOP24 Digikey 296-18593-1-ND SN74LVC8T245PWR Level Translator IC HDWE1 BRACKET UNIVERSAL CLEAR HOLE Digikey 36-4335-ND Keystone...
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Page 20: Evb Layout Information
Export Administration Regulations. Diversion contrary to U.S. law is prohibited. Cobham Colorado Springs Inc. d/b/a Cobham Advanced Electronic Solutions (CAES) reserves the right to make changes to any products and services described herein at any time without notice. Consult an authorized sales representative to verify that the information in this data sheet is current before using this product.
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