Related Manuals for Maxim HFRD-34.0
Summary of Contents for Maxim HFRD-34.0
- Page 1 Reference Design: HFRD-34.0 Rev. 3; 05/08 REFERENCE DESIGN 4 x 4 DVI KVM Switch Maxim Integrated Products...
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Page 2: Table Of Contents
1920 x 1200 resolution), analog audio, and USB 6. IC Summary..........signals from one to four inputs to one to four 7. Navigation Menu ........outputs. HFRD-34.0 supports both video and 8. Schematics, Component List and audio fanout operation (one source to multiple Layout Drawings ........ -
Page 3: Application Diagrams
4 Application Diagrams HFRD-34.0 can be configured in a variety of application environments. Three possible applications are shown in Figures 1 through 3 below. DVI KVM SWITCH - App1 (2-Person Work Station) USER 2 USER 1 SHARED Figure 1. Typical application. -
Page 4: Functional Diagrams
Audio Audio Section USB Section MAX4550 Power USB2512 MAX9723 MAX1953 USB2513 MAX9728 MAX1563 MAX4906 MAX1853 MAX3207 Controller ATMEGA168 LCD Display Switch HUB1 HUB2 Figure 4. HFRD-34.0 Top-level functional diagram. Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 4 of... - Page 5 MAX4550 Headphone Out2 Driver With Click/Pop Audio MAX9728 Suppression Audio Out3 Line Out Driver MAX9728 Audio Audio Line Out Switch Out4 Driver Audio Buffers Figure 6. Audio-section functional diagram. Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 5 of...
- Page 6 USB HUB 4 USB 4 MAX3207 USB2513 MAX3208 2 - Port Switches Controllers Data Power MAX1558 MOSFETs MAX1558 MAX1558 Power Switches Main Supply MAX1558 Overcurrent Protection Figure 7. USB-section functional diagram. Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 6 of...
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Page 7: Ic Summary
Maxim products for this additional information for each device. and many other applications, please visit: www.maxim-ic.com. HFRD-34.0 demonstrates the operation of a small sample of Maxim’s digital and analog switches, Video Section Components Part Number Functional Description The MAX3845 is a TMDS®... - Page 8 Each channel delivers up to 1.2A and meets all IEC specifications for USB ports. The MAX1558H MAX1558H safety features ensure that the USB port is protected. Additional information: www.maxim-ic.com/MAX1558H Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 8 of...
- Page 9 The MAX9723 operates from a single 1.8V to 3.6V power supply. The device includes features that reduce external component count, system cost, and board space; other features improve audio reproduction. The headphone amplifier uses Maxim’s patented DirectDrive architecture that produces a ground-referenced output from a single supply, thereby eliminating the need for large DC-blocking capacitors.
- Page 10 It operates from a 4V to 5.5V input supply, and consumes only 40 A of quiescent current when operating and only 3 A in shutdown. MAX1563 Additional information: www.maxim-ic.com/MAX1563 Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 10 of...
- Page 11 1.5%. The wide 1.35V to 24V input common-mode range is independent of the supply voltage, thus ensuring that the current-sense feedback remains accurate even when connected to a battery pack in deep discharge. Additional information: www.maxim-ic.com/MAX4070 Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 11 of...
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Page 12: Navigation Menu
7 Navigation Menu based interface, the user can set, save, and load configurations and control a variety of other HFRD-34.0 is controlled through an easy-to-use features available in the reference design. The navigation switch (up, down, left, right, and push table below details the menu options available. - Page 13 The current switch selection is highlighted. Note: Fanout is not supported in the USB switch. Main Menu Return to Main Menu Allows the user to adjust headphone 1 output volume (1 through 7). HP1 Volume Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 13 of...
- Page 14 ADVM DVI1 Pre-Emph Allows the user to adjust DVI Out 1 preemphasis level between 0dB, 3dB, and 6dB. The preemphasis can be increased to improve signal integrity when using long cables between HFRD-34.0 and the monitor. ADVM DVI2 Pre-Emph Allows the user to adjust DVI Out 2 preemphasis level between 0dB, 3dB, and 6dB.
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Page 15: Schematics, Component List And Layout Drawings
9 Gerber Files and Firmware 5. USB HUB 4 is a self-powered HUB (power is drawn from the HFRD-34.0 The Gerber files and firmware assist design supply). USB HUBs 1-3 are powered engineers in developing their projects, and are from the host. -
Page 16: Evaluation/Use Notes
SIGNAL dielectric constant of ~ 4.2. Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. -
Page 17: Board Dimensions
1312 Board Dimensions Figure 8. HFRD-34.0 Board dimensions (not to scale). Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 17 of... - Page 18 PCI Express is a registered trademark of PCI-SIG Corp. SMBus is a trademark of Intel Corporation. SPI is a trademark of Motorola, Inc. TMDS is a registered trademark of Silicon Image, Inc. Reference Design HFRD-34.0 (Rev.3, 05/08) Maxim Integrated Products Page 18 of...
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