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HT16D35B Datasheet(PDF) 53 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) 53 Page - Holtek Semiconductor Inc

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Rev. 1.00
53
January 12, 2017
HT16D35A/HT16D35B
Read Operation
1.Thedatamustbereadinbyteunits.
2.ItisrecommendedthatthehostcontrollershouldreadinthedatafromtheDIOlinebetweentherisingedgeof
theCLKlineandthefallingedgeofthenextCLKline.
• Single Read RAM Data Operation
A7
A6
A5
A4
A3
A2
A1
A0
0
000
000
0
CSB
CLK
DIO
Read RAM data command byte
Address byte
D7D6D5D4D3D2D1D0
Data byte
Dummy byte
BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
2μs
2μs
2μs
Note:Iftheinputmemorylocationvalueisgreaterthanthelimitvalue,theinputmemorylocationvaluewillbe
invalid.
• Page Read RAM Data Operation
A7 A6 A5 A4 A3 A2A1A0
00
000
00
0
D7 D6 D5 D4 D3 D2 D1 D0
CSB
CLK
DIO
nth data
Read RAM data command byte
Address byte
Data byte
D7 D6 D5 D4 D3 D2 D1 D0
D0
D7
1st data
2nd
data
(n-1)th
data
Data byte
Data byte
Dummy byte
BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
2μs
2μs
2μs
2μs
2μs
Note:Ifthememorylocationexceedsthelimitvalue,thememorypointerwillreturnto00H.Thememorylocation
limitvaluesareshownbelow.
Mode
Duty
Memory Location Limit Value
Display Data
Fade Data
UCOM Data USEG Data Matrix Display Masking
Binary
1/1~1/8
1Bh
No support function
07h
1Bh
No support function
Gray
1/1
1Bh
1Bh
07h
1Bh
1Bh
1/2
3Bh
3Bh
07h
1Bh
1Bh
1/3
5Bh
5Bh
07h
1Bh
1Bh
1/4
7Bh
7Bh
07h
1Bh
1Bh
1/5
9Bh
9Bh
07h
1Bh
1Bh
1/6
BBh
BBh
07h
1Bh
1Bh
1/7
DBh
DBh
07h
1Bh
1Bh
1/8
FBh
FBh
07h
1Bh
1Bh
1.Readregisterstatusformatisasfollows
01
000
00000
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
CSB
CLK
DIO
1st data
nth data
Read Register command byte
Dummy byte
Data byte
Data byte
1
11000
D0
D7
2nd
data
(n-1)th
data
Data byte
2μs
2μs
2μs
2μs
Note:1.Thedisplaydatamustbereadinbyteunits.
2.Iftheregisterlocationexceedsthelimitvalue,theregisterpointerwillreturntothefirstone.Theregister
locationhasalimitvalueof20.



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