GL841 USB 2.0 2-in-1 Scanner Controller
(2).Fast gray or fast line-art : 6 phase/pixel
0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
CCD CP : CPH=03H CPL=05H
79. Reg : 74H,75H,76H (Read/Write)
Default : 00H,00H,00H
CK1MAP[17:0] : CCD clock 1 bits mapping function.
80. Reg : 77H,78H,79H (Read/Write)
Default : 00H,00H,00H
CK3MAP[17:0] : CCD clock 3 bits mapping function.
81. Reg : 7AH,7BH,7CH (Read/Write)
Default : 00H,00H,00H
CK4MAP[17:0] : CCD clock 4 bits mapping function.
82. Reg : 7DH (Read/Write)
Default : 00H
B7: CK1NEG
: set: CCD clock1,clock2 output locate at negative edge position of system clock.
: reset : CCD clock1,clock2 output locate at positive edge position of system clock.
B6: CK3NEG
: set : CCD clock3 output locate at negative edge position of system clock.
: reset : CCD clock3 output locate at positive edge position of system clock.
B5: CK4NEG
: set : CCD clock4 output locate at negative edge position of system clock.
: reset : CCD clock4 output locate at positive edge position of system clock.
B4: RSNEG
: set : CCD RS output locate at negative edge position of system clock.
: reset : CCD RS output locate at positive edge position of system clock.
B3: CPNEG
: to set CCD CP output locate at negative edge position of system clock.
: reset : CCD CP output locate at positive edge position of system clock.
B2: BSMPNEG : set : AFE video sample output locate at negative edge position of system clock.
: reset : AFE video sample output locate at positive edge position of system clock.
B1: VSMPNEG : set : AFE dark sample output locate at negative edge position of system clock.
: reset : AFE dark sample output locate at positive edge position of system clock.
B0: DLYSET
: set : to enable VSMP and BSMP to delay output by 8.33ns unit
: reset : disable this function.
83. Reg : 7EH (Read/Write)
Default : 00H
B5 :GPOLED18
: set : GPIO 18 as LED outout.
: reset : GPIO18 as general I/O.
B4 :GPOLED17
: set : GPIO 17 as LED outout.
: reset : GPIO17 as general I/O.
B3 :GPOLED16
: set : GPIO 16 as LED outout.
: reset : GPIO16 as general I/O.
B2 :GPOLED15
: set : GPIO 15 as LED outout.
: reset : GPIO15 as general I/O.
B1 :GPOLED14
: set : GPIO 14 as LED outout.
: reset : GPIO14 as general I/O.
B0 :GPOLED13
: set : GPIO 13 as LED outout.
: reset : GPIO13 as general I/O.
Version 1.7
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