GL646USB datasheet(26/44 Pages) GENESYS

26 / 44 page

GL646USB

Rev. 1.4

-25-

c.10: G

d.11: B

B1~0:FESET[1:0]

: front-end selection.

a.00: reserved

b.01: reserved

c.10: Analog Device control style

d.11: Wolfson control style

7.5. Reg : 05H

(Write)

Default:00H

B7~6: DPIHW[1:0] : set CCD/CIS resolution

00=600dpi

01=1200dpi

10=2400dpi

11=reserved.

B5~4: GMMTYPE[1:0]

: set gamma bits depth. 00: 12 bits gamma table.

01: 14 bits gamma table.

10: reserved.

11: reserved.

B3: GMMENB

: set: enable gamma correction.

: reset: bypass gamma correction.

B2:LEDADD

: set: enable true gray by controlling CIS RGB LED array.

: reset: normal gray by controlling CIS single color LED array.

B1~0: BASESEL[1:0]

: (1).fast mode : set clocks/pixel of ASIC.

00: 9 clocks/pixel.

01: 12 clocks/pixel.

10: 15 clocks/pixel.

11: reserved.

(2). Normal mode : set clocks/pixel of CCD.

00: 24 clocks/pixel.

01: 12 clocks/pixel.

10: 8 clocks/pixel.

11: 6 clocks/pixel.

7.6. Reg : 06H

(Write)

Default:00H

B4: PWRBIT :When power on, set this bit.To indicate power has on.

Default is reset.

B3: GAIN4

: set: digital shading gain=4 times system.

: reset: digital shading gain=8 times system.

Note: If you want to get more precise image quality, you can set GAIN4 bit.

B2~0: OPTEST[2:0]: select ASIC operation type.

000: set normal mode to capture AFE image.

001: set DRAM bank, power on carriage initiated and ADF(motortgo) test for ASIC simulation.

010: 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:CCD TG test for TGMODE

7.7. Reg : 07H

(Write)

Default:00H

B1:DMASEL : set: DMA access DRAM under command mode.

: reset: MPU access DRAM under command mode.

B0:DMARDWR

: set: DMA read DRAM under command mode.

: reset: DMA write DRAM under command mode.

Note: DMA operation can be processed under CPU and DMA type.

7.8. Reg : 08H,09H

(Write)

Default:12H,14H

GL646USB 数据表(PDF) 26 Page - GENESYS LOGIC

GL646USB 数据表(HTML) 26 Page - GENESYS LOGIC

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GL646USB 数据表(PDF) 26 Page - GENESYS LOGIC

GL646USB 数据表(HTML) 26 Page - GENESYS LOGIC

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