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HT16D35B Datasheet(PDF) 32 Page - Holtek Semiconductor Inc

Part # HT16D35B
Description  RAM Mapping 28횞8 Constant Current LED Driver
PDF  71 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT16D35B Datasheet(HTML) 32 Page - Holtek Semiconductor Inc

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Rev. 1.00
32
January 12, 2017
HT16D35A/HT16D35B
COM Pin Control
ThiscommandisusedtosetuptheCOMpinoutputon/offstatus.Thiscommandparameterisvalidatedduringthe
Timing1periodofeachframewhenthecommandisset.
Command
R/W
Bit7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Def.
COM pin control
W
0
1
0
0
0
0
0
1
41h
W
C7
C6
C5
C4
C3
C2
C1
C0
00h
Note:1.C0~C7=“0”:COMpinoutputsareoff.
2.C0~C7=“1”:COMpinoutputsareon.
3.TheCOMscanfunctionisnotaffected.
ROW Pin Control
ThiscommandconsistsoffourconsecutivebytestosetuptheROWpinoutputon/offstatus.Thiscommand
parameterisvalidatedduringtheTiming1periodofeachframewhenthecommandisset.
Command
R/W
Bit7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Def.
ROW pin control
W
0
1
0
0
0
0
1
0
42h
W
R27
R26
R25
R24
R23
R22
R21
R20
00h
W
R19
R18
R17
R16
R15
R14
R13
R12
00h
W
R11
R10
R9
R8
R7
R6
R5
R4
00h
W
X
X
X
X
R3
R2
R1
R0
00h
Note:1.R0~R27=“0”:ROWpinoutputsareoff.
2.R0~R27=“1”:ROWpinoutputsareon.
3.ThedisplayRAMcontentsarenotchanged.
Example:Thesetupconditionsareshownasfollows.
Command
Setup Value
Notes
COM pin control (41h)
00111100b
Display window range (X-axis) set: COM2~COM5
ROW pin control (42h)
00001111b
Display window range (Y-axis) set: ROW4~ROW23
11111111b
11111111b
00000000b
Output
ROW
0
1
2
3
4
5
6
7
8
9
9 10 ..... → 20 21 22 23 24 25 26 27
COM0
COM1
COM2
Display window
COM3
COM4
COM5
COM6
COM7



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