GL646USB Просмотр технического описания (PDF) - Unspecified
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GL646USB Datasheet PDF : 43 Pages
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GL646USB
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
Revision 1.3
-25-
Mar.22 2001
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