NHD-2.8-25664UCB2 Datasheet NHD-2.8-25664UCB2 | P7-P9

[7]



Built‐inSSD1322controller

InstructionTable

Instruction

Code

Description

RESET

value

D/C HEX DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

EnableGrayscale

Table

0 00 0 0 0 0 0 0 0 0

EnabletheGrayscaletablesettings.(seecommand0xB8)

SetColumn

Address

0

1

15

A[6:0]

B[6:0]

0

*

0

A6

B6

0

A5

B5

1

A4

B4

0

A3

B3

1

A2

B2

0

A1

B1

1

A0

B0

Setcolumnstartandendaddress

A[6:0]:Columnstartaddress.Range:0‐119d

B[6:0]:Columnendaddress.Range:0‐119d



0

119d

WriteRAM

Command

0 5C 0 1 0 1 1 1 0 0

EnableMCUtowriteDataintoRAM

ReadRAM

Command

0 5D 0 1 0 1 1 1 0 1

EnableMCUtoreadDatafromRAM

SetRowAddress 0

1

75

A[6:0]

B[6:0]

0

*

1

A6

B6

1

A5

B5

1

A4

B4

0

A3

B3

1

A2

B2

0

A1

B1

1

A0

B0

Setrowstartandendaddress

A[6:0]:Rowstartaddress.Range:0‐127d

B[6:0]:Rowendaddress.Range:0‐127d



0

127d

SetRemap 0

1

A0

A[5:0]

B[4]

1

0

*

0

*

1

A5

0

0

A4

B4

0

0

0

A2

0

0

A1

0

0

A0

1

A[0]=0;HorizontalAddressIncrement

A[0]=1;VerticalAddressIncrement

A[1]=0;DisableColumnAddressremap

A[1]=1;EnableColumnAddressremap

A[2]=0;DisableNibbleremap

A[2]=1;EnableNibbleremap

A[4]=0;ScanfromCOM0toCOM[N‐1]

A[4]=1;Scan

fromCOM[N‐1]toCOM0

A[5]=0;DisableCOMsplitOdd/Even

A[5]=1;EnableCOMsplitOdd/Even

B[4]=0;DisableDualCOMmode

B[4]=1;EnableDualCOMmode

Note:A[5]mustbe0ifB[4]is1.

0



0



0



0



0



0

SetDisplayStart

Line

0

1

A1

A[6:0]

1

*

0

A6

1

A5

0

A4

0

A3

0

A2

0

A1

1

A0

SetdisplayRAMdisplaystartlineregisterfrom0‐127. 0

SetDisplayOffset 0

1

A2

A[6:0]

1

*

0

A6

1

A5

0

A4

0

A3

0

A2

1

A1

0

A0

SetverticalshiftbyCOMfrom0~127. 0

DisplayMode 0 A4/A7 1 0 1 0 0 X2 X1 X0

0xA4=EntiredisplayOFF

0xA5=EntiredisplayON,allpixelsGrayscalelevel15

0xA6=Normaldisplay

0xA7=Inversedisplay

0xA6

EnablePartial

Display

0

1

A8

A[6:0]

B[6:0]

1

0

A6

B6

1

A5

B5

0

A4

B4

1

A3

B3

0

A2

B2

0

A1

B1

0

A0

B0

TurnsONpartialmode.

A[6:0]=Addressofstartrow

B[6:0]=Addressofendrow(B[6:0]>A[6:0])



[8]



ExitPartialDisplay 0 A9 1 0 1 0 1 0 0 1

ExitPartialDisplaymode

FunctionSelection 0

1

AB

A[0]

1

0

1

0

0

0

1

0

0

0

1

0

1

A0

A[0]=0;ExternalVDD

A[0]=1;InternalVDDregulator



1

SetSleepMode

ON/OFF

0 AE~AF 1 0 1 0 1 1 1 X0

0xAE=SleepModeON(displayOFF)

0xAF=SleepModeOFF(displayON)



SetPhaseLength 0

1

B1

A[7:0]

1

A7

0

A6

1

A5

1

A4

0

A3

0

A2

0

A1

1

A0

A[3:0]=P1.Phase1periodof5‐31DCLKclocks

A[7:4]=P2.Phase2periodof3‐15DCLKclocks

9

7

SetDisplayClock

DivideRatio/

Oscillator

Frequency

0

1

B3

A[7:0]

1

A7

0

A6

1

A5

1

A4

0

A3

0

A2

1

A1

1

A0

A[3:0]=0000;divideby1

A[3:0]=0001;divideby2

A[3:0]=0010;divideby4

A[3:0]=0011;divideby8

A[3:0]=0100;divideby16

A[3:0]=0101;divideby32

A[3:0]=0110;divideby64

A[3:0]=0111;divideby128

A[3:0]=1000;

divideby256

A[3:0]=1001;divideby512

A[3:0]=1010;divideby1024

A[3:0]>=1011;invalid

A[7:4]=SettheOscillatorFrequency.Frequencyincreaseswiththe

valueofA[7:4].Range0000b~1111b.

0



1100b

SetGPIO 0

1

B5

A[3:0]

1

*

0

*

1

*

1

*

0

A3

1

A2

0

A1

1

A0

A[1:0]=00;GPIO0inputdisabled

A[1:0]=01;GPIO0inputenabled

A[1:0]=10;GPIO0outputLOW

A[1:0]=11;GPIO0outputHIGH

A[3:2]=00;GPIO1inputdisabled

A[3:2]=01;GPIO1inputenabled

A[3:2]=10;GPIO1outputLOW

A[3:2]=11;GPIO1outputHIGH



10b



10b

SetSecond

PrechargePeriod

0

1

B6

A[3:0]

1

*

0

*

1

*

1

*

0

A3

1

A2

1

A1

0

A0

Setsthesecondprechargeperiod

A[3:0]=DCLKs

1000b

SetGrayscale

Table

0

1

B8

A1[7:0]

A2[7:0]

.

A14[7:0]

A15[7:0]

1

A1

7



A2

7



.

A14

7



A15

7



0

A1

6



A2

6



.

A14

6

A15

6



1

A1

5



A2

5



.

A14

5

A15

5



1

A1

4



A2

4



.

A14

4

A15

4



1

A1

3



A2

3



.

A14

3

A15

3



0

A1

2



A2

2



.

A14

2

A15

2



0

A1

1



A2

1



.

A14

1

A15

1



0

A1

0



A2

0



.

A14

0

A15

0



SetsthegrayscalepulsewidthinunitsofDCLK.Range0‐180d.

A1[7:0]=GammaSettingforGS1

A2[7:0]=GammaSettingforGS2

.

A14[7:0]=GammaSettingforGS14

A15[7:0]=GammaSettingforGS15



Note:0<GS1<GS2<GS3…<GS14<GS15

Thesettingmustbefollowedbycommand0x00.

SelectDefault 0 B9 1 0 1 1 1 0 0 1

SetsLinearGrayscaletable

[9]



LinearGrayScale

Table

GS0pulsewidth=0

GS0pulsewidth=8

GS0pulsewidth=16

.

GS0pulsewidth=104

GS0pulsewidth=112

SetPrecharge

Voltage

0

1

BB

A[4:0]

1

*

0

*

1

*

1

A4

1

A3

0

A2

1

A1

1

A0

Setprechargevoltagelevel.

A[4:0]=0x00;0.20*VCC

.

A[4:0]=0x3E;0.60*VCC

0x17

SetVCOMH

Voltage

0

1

BE

A[3:0]

1

*

0

*

1

*

1

*

1

A3

1

A2

1

A1

0

A0

SetstheVCOMHvoltagelevel

A[3:0]=0x00;0.72*VCC

.

A[3:0]=0x04;0.8*VCC

.

A[3:0]=0x07;0.86*VCC

0x04

SetContrast

Control

0

1

C1

A[7:0]

1

A7

1

A6

0

A5

0

A4

0

A3

0

A2

0

A1

1

A0

Doublebytecommandtoselect1outof256contraststeps.

Contrastincreasesasthevalueincreases.

0x7F

MasterContrast

Control

0

1

C7

A[3:0]

1

*

1

*

0

*

0

*

0

A3

1

A2

1

A1

1

A0

A[3:0]=0x00;Reduceoutputforallcolorsto1/16

A[3:0]=0x01;Reduceoutputforallcolorsto2/16

.

A[3:0]=0x0E;Reduceoutputforallcolorsto15/16

A[3:0]=0x0F;nochange

0x0f

SetMultiplex

Ratio

0

1

CA

A[6:0]

1

*

1

A6

0

A5

0

A4

1

A3

0

A2

1

A1

0

A0

SetMUXratiotoN+1MUX

N=A[6:0];from16MUXto128MUX(0to14areinvalid) 

127d

SetCommand

Lock

0

1

FD

A[2]

1

0

1

0

1

0

1

1

1

0

1

A2

0

1

1

0

A[2]=0;UnlockOLEDtoenablecommands

A[2]=1;LockOLEDfromenteringcommands

0x12



Fordetailedinstructioninformation,seedatasheet:http://www.newhavendisplay.com/app_notes/SSD1322.pdf



NHD-2.8-25664UCB2

NHD-2.8-25664UCB2

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