Renesas TW3801

Description

SLOC™ (Security Link Over Coax) is a transmission protocol for simultaneously transmitting analog CVBS video and digital IP video over a single coaxial cable.The TW3801 is the transmitting (“camera”) end of a SLOC link, combining Ethernet digital video data and analog CVBS video into a single SLOC signal that can be transmitted over 500m of coaxial cable. It can be embedded into a camera or configured as a stand-alone IP+CVBS-to-SLOC converter.The TW3801 includes an AFE, digital modem, and two Ethernet MII/RMII interfaces. The device accepts an analog CVBS signal and an Ethernet (R)MII signal and encodes it into a SLOC signal.

Features

• Simultaneous transmission of IP video data and analog
• CVBS video over up to 500m of RG59 coaxial cable
• Analog CVBS video preview support
• Proprietary adaptive analog equalizer for extending the reach of CVBS video
• Proprietary SLOC-based IP DVR detection
• Creates a full-duplex 100BASE-T digital link
• 36Mbps downlink speed from TW3801 to TW3811
• 4Mbps uplink for SLOC compliance
• Ethernet MAC MII/RMII interface for interfacing to Camera ISPs
• Ethernet PHY MII/RMII interface for interfacing to Ethernet PHY chip
• I2C 2-wire control interface
• Integrated PLL with 25MHz crystal interface
• 1.8V, 3.3V supplies
• 100-TQFP (12mmx12mm) Package

Typical applications

• Single-channel SLOC transmitter modem
• Embedded SLOC camera modem

More information

• Datasheet
• IC product information