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Features

■ DisplayPort? (DP) transmitter

– DP 1.2 compliant

– Link rate HBR2/HBR/RBR

– 1, 2, or 4 lanes

– AUX CH 1 Mbps

– HDMI/DVI operation with level translator

■ DisplayPort receiver

– DP 1.2 compliant

– Link rate HBR2/HBR/RBR

– 1, 2, or 4 lanes

– AUX CH 1 Mbps

■ SPDIF audio output

– 192 kHz/24 bits

– Compressed/LPCM

■ HDCP repeater with embedded keys

■ AUX to I2C bridge for EDID/MCCS pass

through

■ Spread spectrum on DisplayPort interface for

EMI reduction

■ Device configuration options

– SPI Flash

– I2C host interface

■ Deep color support

– RGB/YCC (4:4:4) – 16-bit color

– YCC (4:2:2/4:2:0) – 16-bit color

– Color space conversion – YUV to RGB and

RGB to YUV

■ Bandwidth

– Video resolution up to 4K x 2K @ 30 Hz;

1920 x 1080 @ 120 Hz

– Audio 7.1 Ch up to 192 kHz sample rate

■ Low power operation; active 500 mW, standby

25 mW

■ Package

– 81 BGA (8 x 8 mm)

■ Power supply voltages

– 3.3 V I/O; 1.2 V core

Applications

■ Audio-video accessory (dongle) for

PC/notebooks and docking stations

■ Thunderbolt source and peripheral devices

Description

The STDP2690 is a high-speed DisplayPort to DisplayPort dual mode converter IC targeted

for applications such as audio-video accessories, docking stations, Thunderbolt storage

devices, etc. This device includes a VESA DP Standard Ver. 1.2 compliant receiver and

transmitter, implementing single link DisplayPort input and output ports comprising four Main

lanes, AUX CH, and HPD.

The STDP2690 uses ST's latest generation DisplayPort dual mode transmitter technology

that supports both DisplayPort and TMDS signal formats (DP++). DisplayPort receiver and

transmitter support HBR2 speed, a data rate of 5.4 Gbps per lane with a total bandwidth of

21.6 Gbps link rate. In addition, the transmitter is capable of supporting HDMI or single link

DVI output through a passive level translator (dongle). When configured as HDMI output,

this device supports link rate up to 2.97 Gbps that corresponds to a pixel rate of 297 MHz,

quite adequate for handling video timings up to FHD 120 Hz 3D formats. This device

delivers deep color video up to 16-bits per color at 1080p 60 Hz and lower video resolutions.

The STDP2690 allows audio transport from the source to desired audio rendering devices

over the DP++ output or through the SPDIF port. The audio signal from the source can be

routed simultaneously to DP++ and SPDIF output ports. For example, the STDP2690 allows

routing of any two audio channels on the SPDIF port, while transporting up to eight

channels on the DP++ port.

The STDP2690 supports RGB and YCbCr colorimetric formats with color depth of 16, 12,

10, and 8 bits. This device features HDCP 1.3 content protection scheme with an embedded

key option for secure transmission of digital audio-video content. It also operates as an

HDCP repeater for the downstream sink.

The AUX-to-I2C translator in the STDP2690 allows the upstream DisplayPort source to

access EDID and transfer MCCS commands to a downstream sink over the HDMI interface

when used with a level translator. The device has an on-chip microcontroller with SPI and

I2C host interface for system configuration purposes. STDP2690 can be configured with an

external SPI Flash for custom applications or simply configured from an external host

controller through I2C interface.