3. TECHNICAL BRIEF
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• Architecture
multimedia processor for mobile platforms (mobile phones), and general embedded multi-media
applications 32-Bit RISC architecture and powerful instruction set with ARM9 CPU core Internal
Advanced Micro-controller Bus Architecture (AMBA) (AMBA2.0, AHB/APB)
• System interface
Provide USB 1.1 interface with mass storage or communication device Support NandFlash Memory
Interface from 64Mbit to 8Gbit with 8bit data bus Can connected with Video DAC(or External TV
encoder) for TV_out function
• Image Sensor Interface
Internal Advanced Micro-controller Bus Architecture (AMBA) (AMBA2.0, AHB/APB) CMOS/CCD type
image sensor interface Image size: QSXGA(5M) to CIF
• Image Processing
Image size: QSXGA(5M) to CIF
Color and Gamma Enhancement
Gray / negative / sepia / emboss / sketch
90, 180, 270 degree rotation up to UXGA
Digital Zoom x16
Superimpose
OSD in preview
• JPEG Codec
JPEG Encoding YUV4:2:2
JPEG Encoding up to QSXGA
JPEG Decoding (YUV 444/422/420/411) up to QSXGA
Thumbnail
• MPEG4
Compatible MPEG-4 Simple Profile Levels 0 to 3 and H.263 Baseline Level 0
Encoding 30 fps of CIF resolution
YCbCr 4:2:0 input image format
Full search motion estimation method with +/- 16 pixel search area,
4 motion vectors per macro block and 1/2 pixels estimation accuracy
DCT and IDCT, compatible with IEEE Std 1180 - 1990
All MPEG-4 error resilience tools
Variable and fixed bit rate control
Decoding 30 fps of CIF resolution
High quality post-processing functionality, including de-blocking/de-ringing
IDCT, compatible with IEEE Std 1180 - 1990
Summary of Contents for KG920
Page 3: ... 4 ...
Page 48: ...3 TECHNICAL BRIEF 49 3 8 2 AFE Analog Front End Figure 3 22 ...
Page 52: ...3 TECHNICAL BRIEF 53 3 8 5 MBGM01 5M CCD ISP Figure 3 25 ...
Page 55: ...3 TECHNICAL BRIEF 56 3 8 6 MV8620 5M back end IC Multi Media Function Figure 3 26 ...
Page 58: ...3 TECHNICAL BRIEF 59 3 9 MIDI IC YMU787 Figure 3 27 YMU787 BLOCKDIAGRAM ...
Page 108: ...4 TROUBLE SHOOTING 109 CIRCUIT WAVEFORM Figure 4 59 Graph 4 11 Figure 4 60 Figure ...
Page 109: ...4 TROUBLE SHOOTING 110 TEST POINT U602 FB602 U100 Q100 Q101 C113 C114 Figure 4 61 Figure 4 62 ...
Page 112: ...4 TROUBLE SHOOTING 113 Figure 4 67 Figure 4 68 CIRCUIT ...
Page 115: ...4 TROUBLE SHOOTING 116 WAVEFORM Graph 4 13 ...
Page 139: ...6 BLOCK DIAGRAM 140 6 BLOCK DIAGRAM Figure 6 1 ...
Page 148: ... 149 8 PCB LAYOUT ...
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