參數(shù)資料
型號(hào)： GL842
廠商： Genesys Logic, Inc.
英文描述： USB 2.0 2-in-1 Scanner Controller
中文描述： 個(gè)USB 2.0 2合1掃描儀控制器
文件頁(yè)數(shù)： 21/64頁(yè)
文件大小： 542K
代理商： GL842
GL842 USB 2.0 2-in-1 Scanner Controller
Genesys Logic Inc.—All rights reserved.
Page 21
Offset 07h ……………………………………………..…………..……..………. Default value = 8’h00
X
X
X
X
X
X
X
X
SRAMSEL FASTDMA
R/W
DMASEL
DMARDWR
R/W
R/W
R/W
7-4 RESERVED
3 SRAMSEL
2 FASTDMA
1 DMASEL
0 DMARDWR
Note: DMA operation can be processed under CPU and DMA type.
-
0 DMA access for DRAM.
1 DMA access for SRAM.
0 4clocks/access,that is to say 4clocks/16bits or 4clocks/8bits for DMA access.
1 2clocks/access,that is to say 2clocks/16bits or 2clocks/8bits for DMA access.
0 MPU access DRAM under command mode.
1 DMA access DRAM under command mode.
0 DMA write DRAM under command mode.
1 DMA read DRAM under command mode.
Offset 08h ……………………………………………..…………..……..………. Default value = 8’h00
X
X
DECFLAG GMMFFR
R/W
GMMFFG
R/W
GMMFFB
R/W
GMMZR
R/W
GMMZG
R/W
GMMZB
R/W
R/W
7 RESERVED
6 DECFLAG
5 GMMFFR
4 GMMFFG
3 GMMFFB
2 GMMZR
1 GMMZG
0 GMMZB
-
0 Gamma table is increment type
1 Gamma table is decrement type.
To indicate that red channel Gamma table address FFH is special value.
To indicate that red channel Gamma table address FFH is special value.
To indicate that red channel Gamma table address FFH is special value.
To indicate that red channel Gamma table address 00H is special value.
To indicate that green channel Gamma table address 00H is special value.
To indicate that blue channel Gamma table address 00H is special value.
Offset 09h ……………………………………………..…………..……..………. Default value = 8’h00
MCNTSET1 MCNTSET0
CLKSET1
R/W
R/W
CLKSET0
BACKSCAN
ENHANCE SHORTTG
R/W
R/W
NWAIT
R/W
R/W
R/W
R/W
7-6
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.
5-4 CLKSET[1:0]
To select the system clock frequency.
00 24 MHz
01 30 MHz
10 40 MHz
11 48 MHz
3 BACKSCAN
0 To select forward scan function.
1 To enable backward scan function.
2 ENHANCE
0 To select normal EPP interface speed for USB2.0
1 To 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.
相關(guān)PDF資料
PDF描述
GL843 High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
GL850A USB 2.0 Low-Power HUB Controller
GL850A-MNGXX USB 2.0 Low-Power HUB Controller
GL850A-MNNXX USB 2.0 Low-Power HUB Controller
GL850A-MSGXX USB 2.0 Low-Power HUB Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
GL850A-MNGXX 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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