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GL842 Datasheet(PDF) 29 Page - GENESYS LOGIC

Part # GL842
Description  USB 2.0 2-in-1 Scanner Controller
PDF  64 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL842 Datasheet(HTML) 29 Page - GENESYS LOGIC

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GL842 USB 2.0 2-in-1 Scanner Controller
Genesys Logic Inc.—All rights reserved.
Page 29
Offset 25h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
X
X
X
X
LINCNT19 LINCNT18 LINCNT17 LINCNT16
X
X
X
X
R/W
R/W
R/W
R/W
7-4 RESERVED
-
3-0 LINCNT[19:16] To set the scan lines number.
Note: Can’t be programmed to logic zero.
Offset 26h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
LINCNT15 LINCNT14 LINCNT13 LINCNT12 LINCNT11 LINCNT10 LINCNT9
LINCNT8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 LINCNT[15:8] To set the scan lines number.
Note: Can’t be programmed to logic zero.
Offset 27h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
LINCNT7
LINCNT6
LINCNT5
LINCNT4
LINCNT3
LINCNT2
LINCNT1
LINCNT0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 LINCNT[7:0]
To set the scan lines number.
Note: Can’t be programmed to logic zero.
Offset 28h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
GMMWRDATA
R/W
GMMWRDATA
This port write gamma table.
Offset 29h ……..……………………………………..………..….…..…….…. Default value = 8’hFF
LAMPPWM7 LAMPPWM6 LAMPPWM5 LAMPPWM4 LAMPPWM3 LAMPPWM2 LAMPPWM1 LAMPPWM0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 LAMPPWM[7:0] To set PWM duty for lamp power control.
0: 1/256 duty.
1: 2/256 duty.
…..
255:256/256 duty.
Offset 2Ah ……..……..……………………………..……….…..….…..…….…. Default value = 8’h00
RAMADDR15 RAMADDR14 RAMADDR13 RAMADDR12 RAMADDR11 RAMADDR10
RAMADDR9 RAMADDR8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 RAMADDR[15:8] To set DRAM start address to access data.
Note: IRAM_A[19:0]={RAMADDR[15:0],4’b0000}.



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