NHD-3.12-25664UMB3 Datasheet NHD-3.12-25664UMB3 | P13-P15

[13]



1 A[0] 0 0 0 0 0 0 0 A0

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

A5

A4

A3

A2

A1

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

A5

A4

A3

A2

A1

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

*

A3

A2

A1

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

*

A3

A2

A1

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



.

A14



A15



0



.

A14

A15



.

A14

A15



.

A14

A15



.

A14

A15



.

A14

A15



.

A14

A15



.

A14

A15



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

LinearGrayScale

Table

0 B9 1 0 1 1 1 0 0 1

SetsLinearGrayscaletable

GS0pulsewidth=0



[14]



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

*

A4

A3

A2

A1

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

*

A3

A2

A1

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

A5

A4

A3

A2

A1

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

*

A3

A2

A1

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

A5

A4

A3

A2

A1

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

A2

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



[15]



10. OLEDController‐>MPUInterface

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



10.1. 6800‐MPUParallelInterface

Theparallelinterfaceconsistsof8bi‐directionaldatapins,R/W,D/C,E,and/CS.

ALOWonR/Windicateswriteoperation,andHIGHonR/Windicatesreadoperation.

ALOWonD/Cindicates“Command”readorwrite,andHIGHonD/Cindicates“Data”readorwrite.

TheEinputserves

asdatalatchsignal,while/CSisLOW.DataislatchedatthefallingedgeofEsignal.



Function E R/W /CS D/C

WriteCommand↓0 0 0

ReadStatus↓ 1 0 0

WriteData↓ 0 0 1

ReadData↓ 1 0 1



10.2. 8080‐MPUParallelInterface

Theparallelinterfaceconsistsof8bi‐directionaldatapins,/RD,/WR,D/C,and/CS.

ALOWonD/Cindicates“Command”readorwrite,andHIGHonD/Cindicates“Data”readorwrite.

Arisingedgeof/RSinputservesasadatareadlatchsignalwhile/CSisLOW.

Arisingedgeof/WRinputservesasadata/commandwritelatchsignalwhile/CSisLOW.



Function /RD /WR /CS D/C

WriteCommand 1↑ 0 0

ReadStatus↑ 1 0 0

WriteData

1

↑ 0 1

ReadData↑ 1 0 1



Alternatively,/RDand/WRcanbekeptstablewhile/CSservesasthedata/commandlatchsignal.



Function /RD /WR /CS D/C

WriteCommand 1 0 ↑ 0

ReadStatus

0

1 ↑ 0

WriteData

1

0 ↑ 1

ReadData

0

1 ↑ 1



P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21

NHD-3.12-25664UMB3

Mfr. #:

Buy NHD-3.12-25664UMB3

Manufacturer:

Newhaven Display

Description:

OLED Displays & Accessories OLED 256x64 Blue 3.12" Multi-Font 3V

Lifecycle:

New from this manufacturer.

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NHD-3.12-25664UMB3