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參數(shù)資料
| 型號： | GL841 |
| 英文描述： | GL841 USB 2.0 2-in-1 Scanner Controller |
| 中文描述： | GL841的USB 2.0 2合1掃描儀控制器 |
| 文件頁數(shù)： | 30/50頁 |
| 文件大?。?/td> | 1688K |
| 代理商： | GL841 |
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GL841 USB 2.0 2-in-1 Scanner Controller
Note: DMA operation can be processed under CPU and DMA type.
8. Reg : 08H (Read/Write)
Default:00H
B6: DECFLAG
: set :gamma table is decrement type
: reset :gamma table is increment type.
B5: GMMFFR
: set: to indicate that red channel Gamma table address FFH is special value.
B4: GMMFFG
: set: to indicate that red channel Gamma table address FFH is special value.
B3: GMMFFB
: set: to indicate that red channel Gamma table address FFH is special value.
B2: GMMZR
: set: to indicate that red channel Gamma table address 00H is special value.
B1: GMMZG
: set: to indicate that green channel Gamma table address 00H is special value.
B0: GMMZB
: set: to indicate that blue channel Gamma table address 00H is special value.
9. Reg : 09H (Read/Write)
Default:00H
B7~6: MCNTSET[1:0] : to select the unit of motor table counter.
00: pixel count.
01:system clock*2.
10:system clock*3.
11:system clock*4.
B5~4: CLKSET[1:0]
: to select the system clock frequency.
00: 24MHz
01: 30MHz
10: 40MHz
11:48MHz.
B3:
BACKSCAN
: set: to enable backward scan function.
: reset: to select forward scan function.
B2:
ENHANCE
: set: to enhance EPP interface speed for USB2.0
: reset: to select normal EPP interface speed for USB2.0
B1:
SHORTTG
: set: enable short CCD SH(TG) period for film scanning.
B0:
NWAIT
: set: to delay nWait (H_BUSY) one clock.
10. Reg : 09H (Read/Write)
Default:00H
B0:
SRAMBUF
:set: to select external SRAM as the image buffer.
:reset: to select external DRAM as the image buffer.
11. Reg : 0DH (Write)
Command :
scanner command.
B0:
CLRLNCNT
: set: to clear SCANCNT(Reg4B,Reg4C,Reg4D).
: reset: don’t clear SCANCNT.
Note: For each time scanning , you must clear SCANCNT before starting process.
12. Reg : 0EH (Write)
Command : scanner software reset.
It can initiate AISC system, including lamp and motor,
Control registers, internal circuit and status, but not including tables in
DRAM, like gamma table, shading table and acceleration/deceleration table.
Note: In normal condition, it is unnecessary to reset scanner , unless the scanner is out of control.
13. Reg : 0FH (Write)
Command : motor moving.
Start motor farward/backward moving.
14. Reg : 10,11H (Read/Write)
Default : 00H,00H
: reset: DMA write DRAM under command mode.
Version 1.7
30
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GL842 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 2-in-1 Scanner Controller |
| GL843 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:High Speed USB 2.0 With ADF 2-in-1 Scanner Controller |
| GL848 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:High Speed USB 2.0 |
| GL850 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB 2.0 4-PORT HUB Controller |
| GL850A | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
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