|Category||Multimedia => Video => Controllers => Camera controllers|
|Description||16Mp Hi-end DSC Controller|
|Company||Macronix America, Inc.|
|Datasheet||Download MX8870 datasheet
The is a general purpose LSI for Digital Still Camera application. It implements all necessary functions in hardware, but also allows maximum flexibility for customization. It provides a variety of choices for internal processing and peripheral configurations. Customer can always make the combination to fit their own application.
- Real Time Monitoring Function - RGB bayer, RGB stripe, Complementary color filter array CCD supported - Real-time Processing Unit (High-speed and programmable Image Processing) - H/W JPEG Decode / Encode unit - Compact Flash / Smart Media / SD Card / Memory Stick supported - Displaytech's QVGA module supported - Built in USB controller (Device Function)
1999 Oct. 15 Audio Codec from MIC to Speaker from CCD(A/D) SPU Real-Time Processing Unit DMA Controller DSC2_06S External DMA Control Peripherals( 2 ) Max 32MBNTSC/PAL 54MHz 13.5MHz Composite Y of S-Sig C of S-Sig R/Y of Comp. G/Cb B/Cr Display Tech EVF
to S Conv. IDU Aspect Digital Encorder Conv. Coprocessor(CP2) ReArrangement-Regs
This LSI is mostly suitable for Digital Still Camera, Scanners, Printers, Fax etc.
Items Process Power Supply Package CPU Coprocessor Cache(I/D) Ext. Flash(ROM) Ext. DRAM Ext. Peripheral CCD Support CCD Size CCD Defect Correction Internal TG CCD Pre-Process Interpolation Edge Enhance LUT Linear Matrix A/D Monitor Speed Processing Speed JPEG VideoEncoder OSD Func. Media I/F Display UART IrDA1.1 USB IEEE1394 Audio Standby func. RTC OS Content 0.25um I/O:3.3V/2.5V, Logic: 2.5V (2 power supply) 304pin CSP, 0.8 mm pitch, 19mm square Lexra LX4180 (MIPS ISA-I) Max 90MHz (Variable speed) Picture Rotation, Format transform Instruction 2Kbyte / Data 2Kbyte Bus width to 2 external devices. Bus width (x8, x16) RGB Bayer, RGB Stripe/Complimentary Progressive / Interlace Max 4000 pixel 4000pixel 16 internal Regs, Non-limited by DMA Programmable, V4096 12bit input, Black Level, White Balance Filter size 5x5 Filter size 5(V)x5(H) (1 path to H2048, Extendable) to 8 bit LUT to 8 bit LUT 4x4 Color Linear Matrix before Gamma LUT External or 10bit CCD readout rate 0.16Sec/3M pixel (Excluding read out and card write, without monitoring) Hardware 36MByte/Sec NTSC/PAL 4bit / Pixel (16 Colors display, blended display function) Compact Flash / Smart Media / SD Card / Memory Stick supported TV, LCD, Displaytech's QVGA module supported 2ch Max., Upto 230 Kbps By external controller with DMA Built in USB (only device function) By external controller with DMA By external Audio Codec dedicated I/F 3-Modes - Active, Sleep, RTC only. Built in RTC micro ITRON and Nucleus+
MX8870 (DSC-2) supports max x 4000 pixel, and RGB bayer, RGB stripe, Complementary color filter array, and Progressive or Interlace type CCD. - Support both 16-bit and 32-bit SDRAM bus. Only one x 16 SDRAM required for progressive sensors. - Embedded 3 PLL Only one external crystal required for TV, USB, and CPU.
Monitor mode Monitoring speed is same as CCD readout rate. Monitor image processing (interpolation, Edge Enhancement, Color space conversion, Resolution translate) is done by H/W. (If CCD read rate is 30-fps, monitoring speed is 30fps). Capturing mode Processing speed is just 0.16-Sec for 3M CCD, excluding read out time and card writing time. This operation speed includes JPEG encode and interpolation, Edge Enhancement, Color Space Conversing, Re-sizing. Display mode Display speed is only 0.2-Sec for 3M pixel image excluding card reading time. This operation speed includes JPEG decode and Color space conversion, Recision.
RPU has following functions. - Monitoring operation is same as CCD readout rate. - Real Time capturers operation : For progressive CCD, all processing including JPEG encode is completed at just after the end of CCD readout. - Post processing operation : After capturing the full-frame raw data, RPU can process the Interpolation, Edge Enhancement, Color Space Conversion, Re-sizing, etc. much faster than CPU operations. This operation can extend the filter size for Edge Enhancement. And also many kinds of adaptive and nonlinear processing is avaliable with RPU in very shot time. - Improvement of the Signal to Noise ratio : There is a special circuit for improvement of Signal to Noise ratio at the multiple frames image capturing.
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