Features
Video CODEC
1) Compliant with MPEG-4 Simple profile Level 3 video CODEC standard (ISO/IEC 14496)
2) Programmable SW video CODEC(H.261)
3) SW JPEG encoding/decoding
4) Embedded 32bit RISC core (ARM920T)
5) Hardware CODEC
- Half-pel level high speed motion estimation
- Block level motion compensation
- High speed DCT / regional IDCT
- High speed (R)VLC / (R)VLD
- AC / DC Prediction
- 4-MV, Unrestricted motion vector
- H.263 backward compatibility
- Slice resynchronization
- Data partitioning
- I-VOP, P-VOP
6) Effective pre / post processor for video in/out interface
7) High speed DMA access channel
8) Embedded SDRAM / ROM / SRAM controller (8/16/32 bit data access)
9) Error detection, error cancellation mode for error prone applications
10) Programmable H.223 muxing / demuxing scheme
11) Various peripherals for system integration
12) Optimized internal bus architecture based on AMBA
13) Configurable internal bus architecture : 2 x 16bit / 1 x 32bit bus configuration
14) Internal unified cache for CODEC flow programmability
15) JTAG interface
16) Max 30 frames/sec in CIF size
17) Built-in high quality de-blocking algorithm
18) S/W error detection / concealment for wireless applications
Voice / audio CODEC
1) Teaklite DSP core base design
2) Fully programmable CODEC
3) G.723.1 / G.711 / G.729 / G.726 / AMR voice CODEC
4) DTMF tone detection / generation
5) LEC / AEC
6) VAD / CNG
7) AAC LC v.1 / MP3 audio decoding
Single-chip Feature
1) Enhanced external host interface (8/16/32 bit external bus for external host)
2) 2 channel UART
3) Interrupt controller
4) Power management unit
5) Clock Control unit
6) POR & Safe Reset Controller
7) Watch Dog Timer
8) Programmable general purpose I/O ports
9) IIC for video CODEC interface
10) On chip PLL
11) IIS for audio CODEC
12) Key pad interface
13) 2 channel Ethernet controller
14) Smart Media Card interface
15) IrDA interface
16) PCMCIA interface
Post processor
1) Image display On / Off
2) Image clipping On / Off
3) 2, 3/2, 1, 3/4, 1/2, 1/4 Image Size Display
4) Coefficient programmable 7 tap horizontal filtering on output filtering
5) 2 tap vertical filtering
6) Various image display mode (dual small / single large / rational display)
7) 256 color OSD (On Screen Display) capability
8) Alpha - blending function
9) Graphic user interface support
10) CCIR 601/656 8 bit interface 4:2:2 support
11) RGB 8bit interface support
12) Built-in PIP(Picture-In-Picture) display
13) NTSC ? PAL format display compatibility
Target characteristics
1) Performance :
- Video CODEC : 80MHz encoding/decoding
- CPU : FCLK 160MHz
- Audio CODEC : 100MHz encoding/decoding
2) Target process : 0.18um CMOS (STD130)
3) Max 30 frames/sec for CIF size encoding and decoding simultaneously
4) Operation voltage : 1.8V +/-
( Block Diagram )
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Applications
VoIP phone
