CHIP FUNCTION:
★ CPU
- A 32-bit dual-transmitting processor compatible with MIPS32 and supporting the extension of DSP instructions is implemented;
- 16KB instruction Cache and 16KB data Cache;
- MMU, TLB unit;
- 32-bit AHB interface for instruction and data sharing;
- EJTAG interface;
- Coprocessor for system control;
★ MEMORY
- On-chip 18KB ROM;
- On-chip 8KB SRAM;
- Off-chip BOOT MEMORY(SPI NOR/NAND Flash);
- Off-chip NAND flash MEMORY;
- Embedded DDR3 SDRAM;
★ PERIPHERAL
- UART: debug serial port (2 lines);
- Ethernet interface (MAC);
- USB interface (USB + PHY);
- EJTAG debugging interface;
★ SYSTEM
- 32 bit AHB bus, little endian;
Single channel DMA;
- The program boot from SPI Flash or internal ROM;
- Interrupt controller: supports 32 interrupt sources;
- Timing equipment: 4 Timers, 1 WatchDog;
★ DVB-C DEM
- Compliance with DVB-C (ETS 300-429) standard;
- Supporting zero IF and low IF;
- Digital resample and programmable digital anti-aliasing filter, supporting symbol rate ranges from 0.75 Msps to 12.0 Msps;
- All-digital carrier recovery loop can catch up 800KHz carrier frequency offset;
- All-digital timing recovery loop supports wide range symbol rate search;
- High performance adaptive equalizer to eliminate the interfere of multi-path echo;
- 16, 32, 64, 128 and 256-QAM demodulation;
- Automatic I/Q reversion identification and correction;
- FEC decoder (de-interleave and RS decode) fully compatible to DVB-C;
- Complete monitor information: lock indication, signal intensity, signal to noise ratio, bit error rate and TS data error ratio;
- Full automatic capture and tracking control;
- Parallel and serial data output with variable modes measuring up DVB public interface standard;
- Pulse density modulate(PDM)dual AGC output with simple extern circuits and tiny output jitter;
- Fast channel scan (blind scan);
★ DTMB DEM
- Fully compliance with DTMB (GB 20600—2006) standard;
- Digital re-sampling, support 6, 7 or 8 MHz bandwidth modes;
- Support all the modes defined in DTMB;
- Carrier: single-carrier(C=1),multi-carrier(C=3780);
- Guard Interval: PN420, 595, PN945;
- Modulation modes: 4QAM-NR, 4QAM, 16QAM, 32QAM, 64QAM;
- Symbol de-interleave : M=240, M=720, M=0(none);
- LDPC Coding Rate: 0.4, 0.6, 0.8;
- Automatic transmission mode detection and synchronization;
- Dynamic spectrum inversion detection and correction;
- Support up to ±400KHz carrier frequency offset correction;
- Support up to 300ppm oscillator frequency offset correction;
- Industry-leading performance for single-carrier and multi-carrier;
- Outstanding performance for fixed receiver, and SFN(Single Frequency Network) application compatible;
- Superior performance for mobile receiver, and make a breakthrough to achieve a high speed single-carrier mobile reception;
- Adjacent channel interference and co-channel interference cancellation;
- Impulse noise interference suppression;
- Project monitor function: constellation、channel time domain character、channel frequency domain character、SNR and BER etc;
★ VIDEO PROCESSOR
- 30fps@D1 resolution (1920X1088);
Support H.264 HP@L4.0;
- Support for AVS/AVS+Jizhun@L6.0;
- Support for MPEG-4 ASP@L5.0 (compatible with H.263/xVID/DIVX);
- Support for MPEG-2 MP@HL (compatible with MPGE-1);
★ AUDIO PROCESSOR
- Configurable audio decoding engine, supporting MP3, AC3, WMA, AAC, DTS and other audio formats;
- Sampling rate is 8KHz~48KHz, code rate is 8Kbps~320Kbps, with real equalization function;
- Built-in 20 bit audio DAC;
★ JPEG PROCESSOR
- Maximum resolution 8000*8000;
- Support for baseline and progressive JPEG;
- Support motion-JPEG 25fps@VGA
Hardware scaling and rotation functions;
★ TS INPUT
- Supporting external TS stream input;
- Conditional access;
- Built-in Advanced Security Circuit;
- Support PVR;;
★ TV AFE
- 12-bit 160 MHz ADC;
2 channel CVBS input;
- 1 low IF differential input;
- Voltage and current clamping mode;
- Controllable analog automatic gain control, step size 1.5DB, range—3-7.5DB;
- Digital gain control;
★ NTSC/PAL DECODER
- NTSC - M/J/4.43, PAL - B,D,G,H,M,N,I,NC;
- Automatic system recognition;
- 3D/2D Comb Filter for Bright Color Separation;
- Controllable analog automatic gain control and digital automatic gain control;
★ HDCP/HDMI IN
- HDMI 1.4a/2 input;
- HDCP 1.3;
- Support DTV resolution from 480i to 1080i/p;
★ LVDS out
- 8bit dual link LVDS maximum support 1920x1080p;
- MiniLVDS 6/8bit 3~6 pairs;
Switchable Dithering 6/8 bit;
- Up to 3% programmable SSC range control with center spread or down spread;
★ OSD
- Two layers of true color, each supporting three areas that do not overlap;
- Each area can be independently set to a variety of color storage formats,including:(CLUT4/CLUT8/ACLUT88/RGB565/RGB888/ARGB8565/ARGB8888/
ARGB4444/ARGBB1555/ARGB6666/YCBCR);
- CLUT is indexed, for example, CLUT4 is a 16-color storage format, and each index can specify a separate ARGB8888 color value;
- It can be redeveloped to provide features such as rolling, flickering with music, fading in and out
★ Multi-Standard TV Sound Decoder
- Supports BTSC/NICAM/A2/EIA-J demodulation and decoding;
- FM stereo & SAP demodulation;
- L/Rx2, mono, and SIFx2 audio input;
- L/R line output;
- L/R headphone output;
- Supports sub-woofer output;
- Built-in audio output DAC's;
- Audio processing :including volume, balance, mute, tone, EQ, and virtual stereo/surround;
- Optional advanced surround available(Dolby1, SRS2, BBE3… etc) ;
★ Digital Audio Interface
- S/PDIF digital audio input & output;
- HDMI audio channel processing capability;
- Programmable delay for audio/video synchronization;
★ IMAGE PROCESSOR
- Spatial noise reduction based on edge-protected filter;
- 3D Time Domain Noise reduction Based on IIR Filtering;
- Mixed Spatiotemporal Noise reduction Based on Motion Adaptation;
- Block Noise and Mosquito Noise reduction of MPEG;
- Noise intensity measurement and skin color area protection;
- Noise filtering for both luminance and chroma channels;
- Two-dimensional/three-dimensional de-interlacing mode;
- Motion-adaptive de-interlacing algorithm;
- Small Angle Interpolation Technology to Remove Edge Sawtooth;
- 3:2/2:2 Drop-down Movie Mode Detection;
- Maximum support 1080i;
- Programmable Linear/Nonlinear Mode Image Scaling Engine;
- Vertical and horizontal independent processing;
- Improving results by using overshoot suppression technology;
- Support Amplitude-to-Form Ratio Transform (4:3←→16:9), including Panoramic and Amaronap modes;
- Image quality enhancements
- Peaking Processing of 2D Brightness;
- Dynamic Brightness/Chroma Transient Improvement (DLTI/DCTI) function to improve the clarity of color images;
- Adaptive Contrast Enhancement to Improve Dynamic Range of Picture Brightness;
- Adaptive Saturation Enhancement to Brighten Color Images;
- Supporting dynamic black/white level expansion to improve image contrast;
- Color Space Conversion;
- Supporting Blue Level Extension;
- Programmable Gamma correction, 256 points, 10 bits;
- Skin color detection and automatic skin color correction;
- Tone/saturation control and brightness/contrast control functions to support accurate and independent color adjustment;
- Programmable 3D color lookup table;
- Support sRGB and xvYCC wide gamut color processing;
- Temporal and Spatial Color Jitter Function;
- Programmable Overdrive Enhancement to Reduce Motion Blur;
- Image content adaptive automatic backlight function to enhance image contrast;
- Frame Rate Conversion (FRC)