Instruction/ maintenance manual of the product HFRD-34.0 Maxim
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Reference Design: HFRD-34.0 Rev. 3; 05/08 REFERENCE DESIGN 4 x 4 DVI KVM S w itch Maxim Integrated Pro ducts.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 2 of 17 4 x 4 DVI™ KVM S witch 1 T able of Conten t s 2. Features....................................................... 2 3. Overview .......................................
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 3 of 18 4 A pplication Diag rams HFRD-34.0 can be configured i n a variety of application environm ents.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 4 of 18 DVI KVM SWITCH - App3 (Single User Work Station) USER 1 SHARED Figure 3. Typical application. 5 Functional Diag rams HFRD-34.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 5 of 18 Video-Section Functional Diagram MAX3208 x2 MAX3814 MAX3845 x2 MAX3208 x2 MAX3814 MAX3208 x2 MAX3814 MAX3208 x2 MAX38.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 6 of 18 USB-Section Functional Diagram MAX3 207 MAX4906 x8 MAX3 207 MAX3 207 MAX3 207 2 2 2 2 ESD ESD MAX 3208 MAX 3208 MAX 3.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 7 of 18 6 IC Summary A summary of the ICs used in this reference design is provided below , along with links to additional inform ation for each devic e.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 8 of 18 USB Section Co mponents Part Number Functional Descript ion MAX4906F The MAX4906F analog multiplexer c ombines the lo w on - capacitance (C ON ) and low o n- resistance (R ON ) necessary for high-performance switching applications.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 9 of 18 Audio Section Co mponents Part Number Functional Descript ion MAX4550 The MAX4550 s erial-interface, programmable, dual 4 x 2 audio/video cr o sspoint switch is ideal for m ultimedia applications.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 10 of 18 Control, Pow er Management, and Miscella neous Components Part Number Functional Descript ion ATMEGA48 The ATMega48 is a low-power CMO S 8-bit microcontroller based on the AVR enhanced RISC architecture.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 11 of 18 MAX1853 The M AX1853 monolithic, C MOS c harge-pump vo ltage inverter i n the ultra-small SC 70 package features a low 15 Ω output re sistance, which permits loads up to 30mA with maximum e fficiency.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 12 of 18 MAX3420 The MAX3420E contains the digital logic and analog circuitry necessary to implement a full- speed USB peripheral compliant to USB specification rev 2.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 13 of 18 CM 3 De fault Sets the default configuration for the reference design (Audio/Video/USB In1 to Audio/Video/USB Out1; Audio/Video/USB I n2 to Audio/Vide o/USB Out2, etc.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 14 of 18 The current volum e selection is hig hlighted. ACM 2 HP2 Volume Allows the user to adjust headphone 2 output volume (1through 7). The current volum e selection is hig hlighted.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 15 of 18 8 Schematics, Comp onent List, and Layo ut Drawings The full schematics, c om ponent list, and PCB layout drawing s are available to down load in PDF format at: http://www.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 16 of 18 compatibility of the ref erence design with a wider variety of D VI video cards. 11 Evaluation/Use N otes This r e ference design aid s desig ners and is not intended to r ep lace the e nti re design proce ss.
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 17 of 18 1312 Board Dimensions Figure 8. HFRD-34.0 B oard dimensions (not to sc ale).
Reference Design HF RD-34.0 (Rev.3, 05 /08) Maxim Integrated Products Page 18 of 18 DVI is a trademar k of Digital Display W orking Group (DDW G). FireWire is a reg istered trademark of A pple Computer, Inc. HDMI is a tradem ark of HDMI Licensing, LLC.
An important point after buying a device Maxim HFRD-34.0 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Maxim HFRD-34.0 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Maxim HFRD-34.0 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Maxim HFRD-34.0 you will learn all the available features of the product, as well as information on its operation. The information that you get Maxim HFRD-34.0 will certainly help you make a decision on the purchase.
If you already are a holder of Maxim HFRD-34.0, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Maxim HFRD-34.0.
However, one of the most important roles played by the user manual is to help in solving problems with Maxim HFRD-34.0. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Maxim HFRD-34.0 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
