ali corporation : 2f, 246, neihu rd., sec 1, taipei, 114, r.o.c. tel: 886-2-8752-2000, fax: 886-2-8751-1008 homepage : www.ali.com.tw M5623 high-speed usb2.0 scanner controller preliminary product brief overview ali's M5623 high-speed usb2.0 scanner controller provides a high-integrated solution for high-speed 600/1200/2400 dpi usb ccd/cis scanner system. with built-in advanced scan ner engine and micro-controller unit (mcu), M5623 also integrates high-speed usb2.0 controller and transceiver. wi th added design flexibility to work with 1mb/4mb/16mb/64mb edo/sdram, M5623 provides high-perform ance programmable interface and yet co st-effective solution for color image scanner application. features flexible afe/ccd/cis interface support - support 16-bit nibble mode afe - support 3-channel ccd/cis/afe high-flexible timing generator fast scanner engine - high performance real 16-bit scanner control ke rnel support three-channel mode operation - 16-bit input signal calibration for shading and offset process - 16-to-16 (max) downloadable ga mma table for each channel - support filter to ap prove image quality - arbitrary dpi and boundary output selections - mosaic compression support for each channel - h/w complementary circuitry for ccd sensor line space - supports 600/1200/2400 dpi linear/stagger ccd - multi-purpose dram arbiter supports 600/1200/2400 dp i ccd with 1/4/16 mb edo or 4/16/64 mb sdram high-speed stepper motor control pwm ccfl control usb2.0 interface integration - usb specification revision 2.0 compliant - 480 mhz high-speed operation with on-chip usb transceiver, sie & ubl - supports 4 configurable endpoints for c ontrol, bulk, and interrupt transfers built-in 8032 mcu for usb interface and scanner flow control - booting rom built-in. - proprietary program-code download capability through usb bus for support custom ized scanner operation built-in clock synthesizer for using low-cost 12mhz crystal or external 12mhz clock sources 128-pin pqfp package
ali corporation : 2f, 246, neihu rd., sec 1, taipei, 114, r.o.c. tel: 886-2-8752-2000, fax: 886-2-8751-1008 homepage : www.ali.com.tw M5623 high-speed usb2.0 scanner controller preliminary product brief functional block diagram system performance benchmark preview, 150dpi, 300dpi 600dpi 1200dpi 2400dpi line scanner speed <2 ms 2.2 ms (1.6ms*) 4.3 ms (3.2ms*) 8.6 ms (6.5 ms*) a4 color scanner time <5 sec 15 sec (12 sec*) 60 sec (45 sec*) 240 sec (180 sec*) * index time shown within () is set to run at 16-bit software- gamma operation mode specification comparison reference interface scan speed max. resolution afe interface dram support 1-bit scan threshold line-flip support ali M5623 usb2.0 10 msps 16-bit nibble 1m/4m/16/64m edo,sdram programmable yes (8x pixels) ali m5617 usb1.0 1.5 msps 14-bit parallel & nibble 1m/4m/16m edo fix (msb) na shading coefficient scan registers power & interface internal dma ali M5623 8/9/10/12-bit two bank 3.3v read/write separate ali m5617 8-bit dpcm one bank 3.3/5v read/write share 16-bit afe i/f dram arbiter edo or sdram usb2.0 link controller clock synthesizer usb2.0 phy mcu usb host system usb bus gpio ccd/cis motor general ccd/afe interface motor control button/ led scanner signal process booting rom afe utmi phy ( o p tional ) utmi bus
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