Major Ic Informations; General Feature List; Chapter 5. Major Ic Informations - Sharp LC-32A28L Service Manual

LC-32A28L, LC-42A48L
CHAPTER 5.

MAJOR IC INFORMATIONS

[1] MAJOR IC INFORMATIONS
1. MAJOR IC INFORMATIONS
1.1. U401 (MT5305AJMU LQFP-256)
GENERAL DESCRIPTION
The MediaTek MT5305AJMU
high definition video decoder, an AC3 audio decoder, a dual-link LVDS transmitter, and an NTSC/PAL/SECAM TV decoder with a
3D comb filter (NTSC/PAL). The MT5305AJMU enables consumer electronics manufactures to build high quality, low cost and feature-rich DTV.
World-Leading Audio/Video Technology: The MT5305AJMU supports MPEG2 Full-HD video decoder standards, and JPEG. The MT5305AJMU also
TM
supports MediaTek MDDi de-interlace solution can reach very smooth picture quality for motions. A 3D comb filter added to the TV decoder recovers
great details for still pictures. The special color processing technology provides natural, deep colors and true studio quality video. Also, theMT5305AJMU
family has built-in high resolution and high-quality audio codec.
Rich Features for High Value
VGA ADC, dual-channel LVDS, USB2.0 receiver and multi-media decoder.
Key Features:
1. Worldwide multi-standard analog TV demodulator
2. A transport demultiplexer
3. A MPEG2 video decoder
4. An AC3/MPEG2 audio decoder
5. HDMI1.3 receiver
6. Audio codec
7. USB 2.0 for software upgrad and multi-media playback

GENERAL FEATURE LIST

Host CPU
ARM926EJS
16K I-Cache and 16K D-Cache
16K Boot ROM
8KB Instruction TCM
JTAG ICE interface
Watch Dog timers
Build-in CPI analyzer and Cache Hit Rate Meter
Transport Demultiplexer
Supports a serial or parallel transport stream input
MPEG2 Decoder
MPEG MP@ML, MP@HL and MPEG-1 video standards
MPEG1 Decoder
Still Image decoding
JPEG (base-line or progressive)
De-mosquito engine
2D/3D for all AV inputs
2D Graphics
Supports multiple color modes
Point, horizontal/vertical line primitive drawings
Rectangle fill and gradient fill functions
Bitblt with transparent options
Alpha blending and alpha composition Bitblt
Stretch Bitblt
YCbCr to RGB color space conversion
Support index to direct mode bitblt
family is a backend decoder and a ready TV controller and offers high integration for advanced applications. It combines a
Products: The MT5305AJMU family enables true single-chip experience. It integrates high-quality HDMI1.3, high speed
42