CM2031 데이터 시트보기 (PDF) - California Micro Devices Corp
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CM2031 Datasheet PDF : 14 Pages
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Issue X-1
CM2031
HDMI Receiver Port Protection and Interface Device
Features
• HDMI 1.3 compliant
• Supports thin dielectric and 2-layer boards
• Minimizes TMDS skew with 0.05pF matching
• Long HDMI cable support with integrated I2C
accelerator
• Active termination and slew rate limiting for CEC
• Supports direct connection to CEC microcontroller
• Integrated I2C level shifting to CMOS level
including low logic level voltages
• Integrated 8kV ESD protection and backdrive
protection on all external I/O lines
• Supports active and passive control of hot plug
detect signal
• Multiport I2C support eliminates need for analog
mux on DDC lines
• Simplified layout with matched 0.5mm trace
spacing
•
Applications
• PC and consumer electronics
• Digital TV, PC monitors and projectors
Product Description
The CM2031 HDMI Receiver Port Protection and
Interface Device is specifically designed for next
generation HDMI Sink interface protection.
An integrated package provides all ESD, slew rate
limiting on CEC line, level shifting/isolation and
backdrive protection for an HDMI port in a single 38
Pin TSSOP package.
The CM2031 part is specifically designed to provide
the designer with the most reliable path to HDMI 1.3
CTS compliance.
Electrical Schematic
TMDS_D2+
TMDS_GND
TMDS_D2
TMDS_D1+
TMDS_GND
TMDS_D1
TMDS_D0+
TMDS_GND
TMDS_D0
TMDS_CK+
TMDS_GND
TMDS_CK
5V_SUPPLY
DDC_CLK_IN
LV_SUPPLY
CMOS/I2C
LEVEL SHIFT
5V_SUPPLY
HOTPLUG_DET_IN
1kΩ
5V_SUPPLY
DYNAMIC
PULLUP
DDC_DAT_IN
LV_SUPPLY
CMOS/I2C
DDC_CLK_OUT
LEVEL SHIFT
CE_SUPPLY
HOTPLUG_DET_OUT CE_REMOTE_IN
5V_SUPPLY
DYNAMIC
PULLUP
DDC_DAT_OUT
CE_SUPPLY
ACTIVE SLEW
RATE
LIMITING
CE_REMOTE_OUT
© 2007 California Micro Devices Corp. All rights reserved.
07/10/07
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com 1
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