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| Service & Quality Technology SQ113A (4800DPI) SQ113A 48-Bit Scanner Processor w w a D . w aS t ee h 4U t om .c SQ113A Scanner Controller for USB2.0 Ver1.02 w w w t a .D S a e h U t4 e .c m o @ 2002 SERVICE & QUALITY TECHNOLOGY CO., LTD. 1 w w w .D a aS t ee h 4U t om .c http:// www.sq.com.tw Nov, 2002 Service & Quality Technology SQ113A (4800DPI) SQ113A 48-Bit Scanner Processor 1. General Description The SQ113A is a scanner processor of high scan speed & excellent image quality. The SQ113A is a complete document scanner system on SOC (Scanner Controller + USB20.). The SQ113A provides all the functions (including CCD/CIS control, illumination control, pixel processing function, image data buffer, Motor PWM function, micro-stepping motor and USB2.0 interface) necessary to create a high performance color scanner. The SQ113A scans images in 48 bits color, and has output data formats for 48 bits and 24 bits. 2. Key Specifications Analog to Digital Converter Resolution Maximum Pixel Converter Rate 600 dpi minimum Scan Speed 1200 dpi minimum Scan Speed A4 Color preview time A4 Color 150 dpi scan time A4 Color 300 dpi scan time A4 Color 600 dpi scan time A4 Color 1200 dpi scan time 16 Bit 11.25 MHz 1.44 ms/line 2.88 ms/line < 5 seconds < 5 seconds < 7 seconds < 10 seconds < 45 seconds 3. Features System on a chip. (Scanner Controller + USB2.0) Embedded USB2.0 interface. Support sheetbed, flatbed and transparency scanner. Internal 16 Bits Hardware white Shading, dark shading and 8/16 bits Gamma correction. 4800dpi, 2400dpi (NEC 8880, Toshiba 2950), 1200dpi (NEC 8872, Toshiba 2905) Support. (Horizontal & Vertical 1 DPI incremental resolution) Adjustable CCD exposure time. (1 ~ 1000 m sec) Adjustable CCD/CIS timing support. ( CCD: NEC, SONY & TOSHIBA; CIS:CANON, TOSHIBA, MITSUBISHI) ) Adjustable Chip working frequency. Two groups of motor driver and home sensor supported for flatbed and transparency scanner. Acceleration/Deceleration programming table for high speed Motor Moving Control two steps motors individually. (One or Two micro- stepping motor) Build-in motor PWM control Power on hardware Auto back supported. Support SDRAM timing. (1Mx16, 4Mx16 SDRAM) 12MHz operation frequency. Standby Mode Support. (Energy Save function) (USB suspend MODE) @ 2002 SERVICE & QUALITY TECHNOLOGY CO., LTD. http:// www.sq.com.tw 2 Nov, 2002 Service & Quality Technology SQ113A (4800DPI) SQ113A 48-Bit Scanner Processor Support 16 GPIO. (General Purpose I/O pin) Direct Hot Key I/O control for: SCAN, COPY, FAX & EMAIL etc. LED indicator with on/off or 1/4 Hz,1/2 Hz flash mode provided. 4. System Block Diagram R USB HOST DP DN U S B 2.0 P H Y G B Analog Front End S I E D M A CCD/CIS Timing Generate CCD/CIS Clock Generate Crystall (12Mhz) CPU(8031) SRAM SCAN Engine Data SDRAM Controller Address SDRAM (1Mx16 / 4Mx16) ROM Gamma SRAM (256X3 Words) Motor Controller Motor Driver Step Motor SQ113 SQ113 BLOCK DIAGRAM @ 2002 SERVICE & QUALITY TECHNOLOGY CO., LTD. http:// www.sq.com.tw 3 Nov, 2002 |
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