GL842 Genesys Logic, GL842 Datasheet

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GL842

Manufacturer Part Number
GL842
Description
Manufacturer
Genesys Logic
Datasheet
Xu062 f
Genesys Logic, Inc.
GL842
USB 2.0 2-in-1
Scanner Controller
Datasheet
Revision 1.00
Nov. 14, 2003

GL842 Summary of contents

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... Xu062 f Scanner Controller Genesys Logic, Inc. GL842 USB 2.0 2-in-1 Datasheet Revision 1.00 Nov. 14, 2003 ...

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... Genesys Logic Inc.. All trademarks are the properties of their respective owners. Office: Genesys Logic, Inc. 12F, No. 205, Sec. 3, Beishin Rd., Shindian City, Taipei, Taiwan Tel: (886-2) 8913-1888 Fax: (886-2) 6629-6168 http://www.genesyslogic.com Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 2 ...

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... Revision Date 1.00 11/14/2003 First formal release Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Revision History Description Page 3 ...

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... LOCK IAGRAM CHAPTER 6 FUNCTIONAL DESCRIPTION............................................................... 55 CHAPTER 7 ELECTRICAL CHARACTERISTICS .................................................... 62 7 BSOLUTE AXIMUM 7 HARACTERISTICS 7 HARACTERISTICS 7 HARACTERISTICS CHAPTER 8 PACKAGE DIMENSION.......................................................................... 64 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller TABLE OF CONTENTS .......................................................................................... 14 ............................................................................................ 18 .................................................................................................... 52 D ............................................................................. 54 IAGRAM ....................................................................................... ATINGS OLTAGE EFERENCED ...

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... ABLE MAGE UFFER T 7 ABLE BSOLUTE T 7 ABLE HARACTERISTICS T 7 ABLE HARACTERISTICS T 7 ABLE HARACTERISTICS Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller LIST OF FIGURES .......................................................................................... ............................................................. 54 LOCK IAGRAM B D ....................................................................... 54 LOCK IAGRAM QFP P ................................................................... 64 IN ACKAGE LIST OF TABLES ......................................................................................... 10 R .................................................................... 14 EGISTERS ...

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... It successfully integrates scanner function ASIC and USB 2.0 interface controller into one single-chip. With its high performance design architecture, GL842 is not only ready for supporting CIS or CCD image sensors (600dpi,1200dpi or 2400dpi resolution) that are used in flatbed or transparency scanners, but is able to co-work with uni-polar or bi-polar stepping motors ...

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... Output motor trigger signal under scanning for ADF. 2 Output ports for lamp (include flatbed and transparency with PWM) control. Input port for home sensor. Power on check status. Support LED Blinking. Support Back Scanning. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 7 ...

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... DGND0 120 RPU 121 AVDD 122 DPF 123 DPH 124 DMF 125 DMH 126 127 AGND 128 RREF Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller GL842 PQFP - 128 Figure 3.1 - Pinout Diagram 64 Gndio3 63 Vccio3 62 CCD_CPX 61 CCD_CK3X 60 CCD_CK1X 59 CCD_TGX 58 MCLK/ADCCLK 57 ...

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... Gndio1 P 27 MTR_SEL0 I 28 MTR_SEL1 I 29 LAMP_SW O 30 XPA_SW O 31 LED_B O 32 MT_PH0 O Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Table 3.1 - Pin List 33 MT PH1 O 65 CCD RSX 34 MT_PH2 O 66 HOME 35 MT_PH3 O 67 CCD_CK2X 36 MT_PH4 O 68 CCD_CK4X 37 MT_PH5 ...

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... CCD_CPX 62 CCD_RSX 65 CCD_TGX 59 CCD_TGG 69 CCD_TGB 70 CCD_CK3X 61 CCD_CK4X 68 LAMP_SW 29 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Table 3.2 - Pin Descriptions Support IO Ports Interface ASIC I/O Type Cell B hbd16rsc General Purpose Input/Output Bi-polar (3955): O hbd16dhk (pd) Bi-polar (2916 or 6219): MT_PH5=PHASE1 O hbd16rsc Uni-polar(2003): O hbd16rsc Output motor trigger for ADF scanning or GPIO13 ...

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... NWEX 80 RASY 72 CASY 71 NOEY 73 NWEY 76 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Transparency lamp power control or CIS Green LED O hbd16rsc array control O hbd16rsc CIS Blue LED array control FRONT-END Interface ASIC I/O Type Cell I hbd16dhk AFE digital data input ...

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... Vccio1 25 Vccio2 48 Vccio3 63 Vccio4~6 74,90,103 Note: hbd16* is for 6mA; hbd8* is for 8mA. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Miscellaneous ASIC I/O Type Cell I hbd16dhk To select mode: Normal mode=0 (pd) MTR_SEL[1:0]=10 select Bi_polar 3955 I hbd16dhk MTR_SEL[1:0]=01 select Bi_polar 2916 OR 6219 ...

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... Type O Output I Input B Bi-directional B/I Bi-directional, default input B/O Bi-directional, default output P Power / Ground A Analog SO Automatic output low when suspend pu Internal pull up pd Internal pull down odpu Open drain with internal pull up Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 13 ...

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... CK4LOW CK3LOW CK1LOW 1Eh WDTIME[3:0] 1Fh 20h 21h 22h 23h 24h 25h X X 26h Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Bit 5 Bit 4 Bit 3 X M16DRAM MTRPWR FASTFED MTRREV AGOHOME LAMPPWR AFEMOD[1:0] FILTER[1:0] MTLLAMP[1:0] GMMENB PWRBIT GAIN4 ...

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... X X 4Ch 4Dh 4Eh 4Fh X X 50h X X 51h X X 52h 53h Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller LINCNT[7:0] “GMMWRDATA” LAMPPWM[7:0] RAMADDR[15:8] RAMADDR[ DPISET[7:0] BWHI[7:0] BWLOW[7:0] STRPIXEL[15:8] STRPIXEL[7:0] ENDPIXEL[15:8] ENDPIXEL[7:0] DUMMY[7: MAXWD[19:16] ...

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... X X 78h 79h 7Ah X X 7Bh 7Ch 7Dh CK1NEG CK3NEG CK4NEG RSNEG 7Eh X X 7Fh BSMPDLY[1:0] 80h VRHOME[1:0] Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller VSMP[4:0] BSMP[4:0] CDSREF[1: GMMADDR[7:0] HISPD[7:0] STOPTIM[4:0] FMOVDEC[7:0] X Z1MOD[20:16] Z1MOD[15:8] Z1MOD[7:0] X Z2MOD[20:16] Z2MOD[15:8] ...

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... X YENB Notation: R/W Read / Write R/O Read Only W/O Write Only R/W1C Readable and Write-1-Clear R/W/C Read / Write and hardware automatic Clear Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller ROFFSET[7: GOFFSET[7:0] BOFFSET[7:0] YBIT LEDADD CK4ADC ENOFFSET ACYCNRLC X X 8’ ...

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... To indicate whenever home sensor change from high to low (falling edge) then 0 LONGCURV 0 The deceleration curve of the fast moving is table 4. 1 The deceleration curve of the fast moving is table 5. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller DVDSET M16DRAM DRAMSEL SHDAREA X R/W ...

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... Scan color type: 00 Color 1-0 FESET[1:0] Front end operation type: 00 ESIC type 1 01 ESIC type2 10 ADI type 11 Reserved Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller XPASEL LAMPPWR LAMPTIM3 LAMPTIM2 LAMPTIM1 LAMPTIM0 R/W R/W R/W AFEMOD1 AFEMOD0 FILTER1 R/W R/W R/W Wolfson Type ...

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... Pixel count pattern for ASIC image test. 011 Line count pattern for ASIC image test. 100 Counter and adder test for ASIC simulation test. 101 Reserved. 110 Reserved. 111 Reserved. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller GMMENB MTLLAMP1 MTLLAMP0 R/W R/W R/W PWRBIT ...

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... To select normal EPP interface speed for USB2 enhance EPP interface speed for USB2.0 1 SHORTTG Enable short CCD SH(TG) period for film scanning. 0 NWAIT To delay nWait (H_BUSY) one clock. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X X SRAMSEL FASTDMA DMASEL X X R/W ...

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... Offset 10h …………………………………………..…………..……..…………. Default value = 8’h00 EXPR15 EXPR14 R/W R/W 7-0 EXPR[15:8] Red-LED array of CIS or Red channel TG of CCD exposure time setting. Note: Can’t be programmed to logic zero. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller ...

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... Offset 15h …………………………………………..…………..……..…………. Default value = 8’h00 EXPB7 EXPB6 R/W R/W 7-0 EXPB[7:0] Blue-LED array of CIS or Red channel TG of CCD exposure time setting. Note: Can’t be programmed to logic zero. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller EXPR5 EXPR4 EXPR3 R/W R/W R/W EXPG13 EXPG12 ...

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... CCD Clock 1 Disable CCD TG position Clock 1/2 signals. CCD TG CCD Clock 0 CTRLDIS 0 Enable CCD TG position CP & RS signals. CCD TG CCD CP/RS 1 Disable CCD TG position CP & RS signals. CCD TG CCD CP/RS Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller TGINV CK1INV CK2INV R/W R/W R/W CTRLINV CKDIS CTRLDIS R/W R/W ...

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... Four times CCD Clock speed for capture image. Note: CCD Clock speed up limitation : 1. SCANMOD=0 clocks/pixel 2. SCANMOD=2 : Reserved. 3. SCANMOD=3 : Reserved. 4. SCANMOD clocks/pixel 5. SCANMOD clocks/pixel 6. SCANMOD clocks/pixel Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller TGW5 TGW4 TGW3 R/W R/W R/W CKTOGGLE CKDELAY1 CKDELAY0 ...

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... To set double of the watch-dog time out . 2-0 TGTIME[2:0] CCD Line Period selection. 000 001 2*LPERIOD 010 4*LPERIOD 011 8*LPERIOD 100 16*LPERIOD 101 32*LPERIOD 110 Reserved. 111 Reserved. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R/W EXPDMY for turn on MANUAL3 MANUAL1 CK4INV R/W R/W R/W MTLWD R/W ...

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... BUFSEL7 BUFSEL6 R/W R/W 7-0 BUFSEL[7:0] To set buffer condition (unit = 4k word). Scanner execute backward/forward moving whenever buffer full. If MAXWD < buffer condition, then motor move forward to scan. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller CK1LOW TGSHLD4 TGSHLD3 TGSHLD2 TGSHLD1 TGSHLD0 R/W R/W R/W R/W R/W R 1/2 dpi 1/3 dpi. ...

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... Offset 24h ……..……………………………………..…………..….…..…….…. Default value = 8’h00 FASTNO7 FASTNO6 FASTNO5 FASTNO4 FASTNO3 FASTNO2 FASTNO1 FASTNO0 R/W R/W 7-0 FASTNO[7:0] To set scanning backward slope curve of the acceleration/deceleration (table two slope). Note: Can’t be programmed to logic zero. Speed Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller STEPNO5 STEPNO4 STEPNO3 STEPNO2 R/W R/W R/W R/W R/W R/W R/W ...

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... Offset 2Ah ……..……..……………………………..……….…..….…..…….…. Default value = 8’h00 RAMADDR15 RAMADDR14 RAMADDR13 RAMADDR12 RAMADDR11 RAMADDR10 R/W R/W 7-0 To set DRAM start address to access data. RAMADDR[15:8] Note: IRAM_A[19:0]={RAMADDR[15:0],4’b0000}. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X X LINCNT19 LINCNT18 LINCNT17 LINCNT16 X X R/W R/W R/W ...

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... Offset 2Eh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00 BWHI7 BWHI6 R/W R/W 7-0 BWHI To set Black & White threshold high level. [7:0] Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R DPISET11 DPISET10 X X R/W a ...

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... Offset 32h ……..……………………………………..…………..….…..…….…. Default value = 8’h00 ENDPIXEL15 ENDPIXEL14 ENDPIXEL13 ENDPIXEL12 ENDPIXEL11 ENDPIXEL10 R/W R/W 7 set the end pixel position (unit : pixel count). ENDPIXEL[15:8 ENDPIXEL=(TGW+2*TGSHLD)+End pixels number. Note: Can’t be programmed to logic zero. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R R/W ...

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... MAXWD15 MAXWD14 MAXWD13 MAXWD12 MAXWD11 MAXWD10 MAXWD9 MAXWD8 R/W R/W 7-0 MAXWD[15:8] To set maximum word size per line for ASIC estimation. If usable buffer size < MAXWD,then buffer is full.The scanner execute forward And Backward moving. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R/W R/W R/W R/W TGSHLD(Reg1D) RGW(Reg17) ...

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... Offset 3Ch …….……………………………………..…………..….…..…….…. Default value = 8’h00 RAMWRDATA This port is used to write data to DRAM. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R/W ...

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... Note: Can’t be programmed to logic zero. Offset 40h 7-3 RESERVED - 2 HISPDFLG 1 Motor is high-speed moving. 1 MOTMFLG 0 Motor is stop. 1 Motor is moving. 0 DATAENB 0 Scanner is command mode. 1 Scanner is scanning mode. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X X FEEDL19 X X R/W FEEDL13 FEEDL12 FEEDL11 R/W R/W R/W FEEDL5 FEEDL4 FEEDL3 R/W ...

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... To indicate available words to read out in the image buffer of DRAM. VALIDWORD [15:9] Offset 44h VALIDWORD VALIDWORD 7-0 To indicate available words to read out in the image buffer of DRAM. VALIDWORD [7:0] Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller FEEDFSH SCANFSH HOMESNR LAMPSTS VALIDWORD VALIDWORD VALIDWORD VALIDWORD ...

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... FEDCNT7 FEDCNT6 FEDCNT5 FEDCNT4 FEDCNT3 FEDCNT2 FEDCNT1 FEDCNT0 R R 7-0 FEDCNT[7:0] To read motor feeding steps number. For example,if you have set moving steps no. and execute moving command. You can read out steps no. moved. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller RAMRDDATA ...

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... Offset 51h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00 7-6 RESERVED - 5-0 FEWRA[5:0] This port is write address setting for Front End control register write. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X X SCANCNT19 SCANCNT18 SCANCNT17 SCANCNT16 ...

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... Offset 56h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00 7-5 RESERVED - 4-0 BHI[4:0] To latch B channel high byte data of AFE. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X RHI4 RHI3 X R/W R/W X RLOW4 RLOW3 ...

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... AFE VSMP Reg58=52H : VSMP[4:0]=10H (2). Fast gray or fast line-art : 6 phase/pixel VSMP Reg58=0BH : VSMP[4:0]=01H Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X BLOW4 BLOW3 X R/W R RLOW = 03H GLOW = 07H ...

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... Offset 5Ch ……..……..………………..………..….………..….…..…..…..…. Default value = 8’h00 GMMADDR7 GMMADDR6 GMMADDR5 GMMADDR4 GMMADDR3 GMMADDR2 GMMADDR1 GMMADDR0 R/W R/W 7 set the front-end RLC for line rate scanning type. GMMADDR[7:0 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller BSMP2 BSMP1 BSMP0 R/W R/W R ...

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... Z1MOD15 Z1MOD14 Z1MOD13 Z1MOD12 Z1MOD11 Z1MOD10 Z1MOD7 R/W R/W 7-0 Z1MOD[15:8] To set the slope curve of acceleration/deceleration table mode value. Under buffer full moving. Note: It should be more than LPERIOD. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller HISPD5 HISPD4 HISPD3 R/W R/W R/W DECSEL0 STOPTIM4 STOPTIM3 STOPTIM2 STOPTIM1 STOPTIM0 ...

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... Z2MOD15 Z2MOD14 Z2MOD13 Z2MOD12 Z2MOD11 Z2MOD10 R/W R/W 7-0 Z2MOD[15:8] To set the slope curve of acceleration/deceleration mode value. Under first time moving to scanning. Note: It should be more than LPERIOD. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Z1MOD5 Z1MOD4 Z1MOD3 R/W R/W R/W X Z2MOD20 Z2MOD19 Z2MOD18 Z2MOD17 Z2MOD16 ...

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... Offset 66h ……..………………..………..………..….………..….…..…..…..…. Default value = 8’h00 PHFREQ7 PHFREQ6 PHFREQ5 PHFREQ4 PHFREQ3 PHFREQ2 PHFREQ1 PHFREQ0 R/W R/W 7-0 PHFREQ[7:0] To set PWM frequency for motor phase of uni-polar. Frequency: (24MHz)/[(PHFREQ+1)*4 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Z2MOD5 Z2MOD4 Z2MOD3 R/W R/W R/W ...

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... To set PWM duty cycle for table one motor phase of uni-polar. FASTPWM[5:0] FASTPWM = 0 1/64 duty Note: If PHFREQ < 0FH,then PWM setting must < (PHFREQ+1)*4 Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R/W 00 Full step (for 1939,1940,2916,6219 or 3966). 01 Half step (for 1939,1940,2916,6219 or 3966). 10 Quarter step (for 2916 or 6219). ...

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... FMOVNO[7:0] Set fast moving slop steps(table four slope). Note: Can’t be programmed to logic zero. (1). Two table moving : speed Reg3D,3E,3F Reg6A Reg5E[7:5] Reg5F (1). One table moving : speed Reg21 Reg5F Reg5E[7:5] Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R/W R/W R/W R/W Scanning position Reg1F Reg25,26,27 Reg21 Reg5E[4:0] Go home Scanning position ...

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... Offset 6Fh ……..……..………………..………..….………..….………..…..…. Default value = 8’h00 GPOE8 GPOE7 R/W R/W 7-0 GPOE[8:1] GPOE8~1 ports output enable set. 0 Input. 1 Output. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller GPOM12 GPOM11 X R/W R/W X whenever power on initial. 2. Pull down by resister to indicate that ASIC turn off lamp power whenever power on initial. ...

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... 7-5 RESERVED - 4-0 CPL[4:0] Set CCD CP falling edge position. (1) Color,fine gray or fine line-art: 12 phase/pixel CCD CP : CPH=0AH CPL=01H Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller X RSH4 RSH3 X R/W R/W X RSL4 RSL3 X R/W R ...

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... Offset 79h ……..……..………………..………....….………..….………..…..…. Default value = 8’h00 CK3MAP7 CK3MAP6 CK3MAP5 CK3MAP4 CK3MAP3 CK3MAP2 CK3MAP1 CK3MAP0 R/W R/W 7-0 CK3MAP[7:0] CCD clock 3 bits mapping function. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller ...

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... AFE dark sample output locate at positive edge position of system clock. 1 AFE dark sample output locate at negative edge position of system clock. 0 DLYSET 0 Disable this function enable VSMP and BSMP to delay output by 8.33ns unit Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller ...

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... Offset 81h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00 7-1 RESERVED - 0 ROFFSET8 To set R Channel Offset of the AFE for CIS color scan. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller GPOLED18 GPOLED17 GPOLED16 GPOLED15 GPOLED14 GPOLED13 R/W R/W R/W LEDCNT3 LEDCNT2 LEDCNT1 LEDCNT0 R/W R/W R/W R/W ...

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... PH_Y status. 4 ACYCNRLC 0 To disable this function generate RLC/ACYC pulse to trigger WM8199 auto-cycling for 3 ENOFFSET 0 To disable this function select automatic offset configuration for CIS scanning. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller R/W R/W R ...

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... Table 4.2 - Shading Mapping (Chunky for Single Bank) Attribute Shading Mapping 4.3.2 Shading Mapping (Planer) Table 4.3 - Shading Mapping (Planer) Attribute Shading Mapping Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller for CIS color scan. Resolution 600dpi (DPIHW=00) 1200dpi (DPIHW=01) 2400dpi (DPIHW=10) ...

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... Slope Curve Table 4.3.4 Image Buffer Mapping Attribute DRAM/SRAM 4M BITS X 1 DRAM 4M BITS BITS SRAM DRAM 16M BITS Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Resolution Table No. Table 1 Table 2 600DPI Table 3 (DPIHW=00) Table 4 Table 5 Table 1 Table 2 1200DPI ...

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... Register Write & Status Read Motor Motor Driver Control GPIO I/O Clk-gen Control 12 MHz PLL Watchdog Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller GL842 (USB2.0 Interface+Scanner ASIC Controller) Two-In-One Controller 12 MHz DRAM AFE EPP Data Data Interface Packing Scanner ...

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... Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller a. 12 system clock/pixel. b. Chunky color(three line in),fine-gray or fine-line-art scan for CCD. c. Planar color scan (one line in) or Monochrome scan for CIS. ...

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... Support three line in(parallel ) for CCD, one line in for CIS two types. A. CCD a. Three line in Line by line: B. CIS a. Color scan: TG LED R LED G LED B b. Gray scan: TG LED R/G/B c. True gray scan: TG LED R LED G LED B Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 56 ...

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... Note: If you bypass gamma correction, you can get 16 bits image data. If you enable gamma correction, you can get 8 bits image data. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller dark R2,white R2,dark G2,white G2,dark B2,white B2, dark R3,white R3,dark G3,white G3,dark B3,white B3,…… ...

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... By one dpi increment, the resolution can be from 1 DPI to 4800 DPI for 1200 DPI scanner; and 1 DPI to 9600 DPI for 2400 DPI scanner. Note: The resolution of quarter step can up to four times resolution. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller ...

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... H : table two (slope two) deceleration curve for scanning backward table five (slope five) deceleration curve for go-home touch home sensor deceleration curve for go-home. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Scanning position buffer full position forward B(4) C(1) H(2) go home ...

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... These are two power control ports for lamp. One is for Flatbed and the other is for XPA (Transparency or film). The resolution of it’s PWM type is 8 bits. Duty range is 1/256~256/256. Note: carrier frequency is (system clock)/256. 24 Sensor Input The system support home sensor input port. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 60 ...

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... This operation is able to check first time power on or not. 29 RAM Test S/W can test DRAM/SRAM IC by writing and reading back for checking. 30 LED Blinking Support LED-blinking function implemented in GPIO13~18 pins. 31 Support Back Scanning Support forward or backward scanning type. Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Page 61 ...

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... R Pad internal pulldown resister DN R Pad internal pullup resister UP Note: hbd16dhk is internal pulled down; hbd16uhk is internal pulled up; hbd16* is 16mA; hbd8* is for 8mA Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Description Description Min =16mA OL =16mA OH 72 ...

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... Differential common mode range CM V Single-ended receiver threshold SE C Transceiver capacitance IN I Hi-Z state data line leakage LO Z Driver output resistance DRV Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller Description Min =8mA OL =8mA OH 104.6K 81.9K Description Min of 1. 15K to GND ) L Typ ...

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... CHAPTER 8 PACKAGE DIMENSION QFP-128L (14*20 mm, F/P: 3.2 mm): SYMBOLS Θ Figure 8.1 - GL842 128 Pin QFP Package Genesys Logic Inc.—All rights reserved. GL842 USB 2.0 2-in-1 Scanner Controller MIN(mm) NOM(mm) 0.25 2.57 0.10 0.10 13.90 19.90 - 17.00 23.00 0. 0.08(0.003) MAX(mm) 0.35 0.45 2.72 2.87 0.20 0.30 0.15 0.20 14.00 14.10 20.00 20.10 0.50 - 17.20 17.40 23.20 23.40 0.80 0. Page 64 Y ...

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