Electronic Design

IC Converts DisplayPort Format To HDMI/DVI

Said to be the first native DisplayPort-to-HDMI/DVI converter device, the PS161 includes a full DisplayPort receiver, a full HDMI/DVI transmitter, and an optional HDCP repeater. Used inside an HDMI- or DVI-enabled digital TV or monitor, the IC provides a simple, cost-effective solution for adding a DisplayPort input for computer-to-TV connectivity. Since the new generation of monitors includes speakers, DisplayPort can provide both video and audio data, making it equally suitable as a DTV interface. The DisplayPort input of the PS161 accepts up to four main link lanes at up to 2.7 Gbits/s per lane, the maximum allowed by the current VESA DisplayPort standard. A proprietary advanced equalizer technology improves data transmission performance over long cables. Audio support includes up to eight channels of 24-bit LPCM data at a sample rate of 192 kHz, and compressed audio according to IEC 60958. The HDMI/DVI output supports a maximum pixel clock of 165 MHz as allowed by the HDMI/DVI standard, with a color depth up to 12 bits per component for HDMI. The device is compliant with the latest HDMI 1.3a specification. An onboard microcontroller handles the physical and link layer protocol conversion from DisplayPort format to HDMI/DVI format, eliminating the need for software changes in the host display. The converter comes in a 64-pin TQFP RoHS-compliant package. The PS161 is sampling now and costs $3.75 in quantities of 100,000. PARADE TECHNOLOGIES INC., Sunnyvale, CA. (408) 329-5540.



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