3.5.15 Function introduction to MT1392E
1. Description
MediaTek MT1392E (U701) is a multi-resolution HDMI transmit processor, which incorporates video
scaler, high definition TV encoder, audio sampling rate converter, audio packer, HDCP processor and
HDMI transmItter. This IC can accept digital video in various definition, including standard-definition
video such as 480i, 576i, 480p, 576p, and high-definition video such as 720p (50/59.94Hz),
1080i(5059.94Hz), and converts the standard definition video into high-definition ones. MT1392 can
support up to 8 channel I2S or SPDIF. It is also fully compatible with DVI 1.0, HDMI 1.0 and HDCP 1.1.
2. Features
◆ High Definition Video Process
Support 480i, 576i, 480p, 576p digital video input According to CCIR656 or CCIR601 spec.
Support 720p (50/59.94Hz), 1080i??(50/59.94Hz) digital video input According to SMPTE-293M spec.
Programmable scaler converts standard-definition video to 720p, 1080i high-definition video.
TV encoder support 480p, 576p, 720p, 1080i (50 and 59.94Hz) component analog output including RGB
and YCbCr.
◆ Audio Input Formats
Support Industry-standard S/PDIF for digital audio using IEC 60958 2-channel PCM, and compressed
(encoded) audio data (DTS, AC3, MPEG Audio) using IEC 61937??format.
Support I
2
S audio interface up to 4 channels.
Sampling rate conversion for stereo I
2
S audio
◆ HDMI & HDCP
Fully backward
Compatible with DVI, and compliant with HDMI 1.0, DVI1.0, EIA/CEA-861B, HDCP 1.1.
Integrate High-Bandwidth Content Protection (HDCP 1.1) for both video and audio.
Optional I
2
C master interface for HDCP key set loading.
◆ Serial Interface
I
2
C slave programming interface.
◆ Outline
80-pin LQFP package
3.3/1.8-Volt. Dual operating voltages
3. PIN Description
PIN Symbol I/O Description
1 DVSS GND Digital ground
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