OLED driver learning based on ssd1306 (I): SSD Chinese command table (handling)

SSD1306 command

Command form (D/C#=0, R/W#(WR#) = 0, E(RD#=1) Except for special conditions )

1. Basic commands

 

D/C	Hex	D7	D6	D5	D4	D3	D2	D1	D0	command	describe
0	81 A[7:0]	1 A7	0 A6	0 A5	0 A4	0 A3	0 A2	0 A1	1 A0	Set contrast	Double byte command ,1~256 Level contrast is optional , The contrast increases with the value . ( reset value = 0x7f)
0	A4/A5	1	0	0	0	0	1	0	X0	Show all on	A4h,X0 = 0 : Restore memory content display ( Default ), Output the contents of memory A5h,X0 = 1 : Turn on the display , Output ignores the contents of memory
0	A6/A7	1	0	0	0	0	1	1	X0	Settings are normal / Inverse display	A6,X[0]= 0: Normal display ( Default ) RAM by 0: The display panel is off RAM by 1: The display panel is on A7 X[0]= 1: Inverse display RAM by 0: The display panel is on RAM by 1: The display panel is off
0	AE/AF	1	0	0	0	1	1	1	X0	Set the display on / Turn off	AE：X[0]= 0: Turn off the display ( Default ) AF：X[0]= 1: Display... In normal mode

2、 rolling Command table

D/C	Hex	D7	D6	D5	D4	D3	D2	D1	D0	command	describe
0 0 0 0 0 0 0	26/27 A[7:0] B[2:0] C[2:0] D[2:0] E[7:0] F[7:0]	0 0 * * * 0 1	0 0 * * * 0 1	1 0 * * * 0 1	0 0 * * * 0 1	0 0 * * * 0 1	1 0 B2 C2 D2 0 1	1 0 B1 C1 D1 0 1	X0 0 B0 C0 D0 0 1	Continuous horizontal scrolling setting	26 Hours ,X[0]= 0, Scroll right horizontally 27 h,X[0]= 1, Scroll left horizontally ( Horizontal scrolling 1 Column ) [7:0]: Virtual bytes ( Set to 00 h) B(2:0): Define the start page address 0～7   PAGE0 ～ PAGE7 C(2:0): Set the frame rate of the time interval between each scrolling step 000 b - 5 frame 100 b - 3 frame 001 b - 64 frame 101 b - 4 frame 010 b - 128 frame 110 b - 25 frame 011 b - 256 frame 111 b - 2 frame D(2:0): Define the final page address 0～7   PAGE0 ～ PAGE7 D(2:0) The value of must be greater than or equal to B(2:0) E[7:0]: Virtual bytes ( Set to 00 h) F[7:0]: Virtual bytes ( Set to FFh)
0 0 0 0 0 0	29/2A A[2:0] B[2:0] C[2:0] D[2:0] E[5:0]	0 0 * * * 0	0 0 * * * 0	1 0 * * * E5	0 0 * * * E4	1 0 * * * E3	0 0 B2 C2 D2 E2	X1 0 B1 C1 D1 E1	X0 0 B0 C0 D0 E0	Continuous vertical and horizontal scrolling Set up	29H,X1X0 = 01 : Vertical and horizontal scrolling 2AH,X1X0 = 10 : Vertical and horizontal scrolling ( Horizontal scrolling 1 Column ) [7:0]: Virtual bytes B(2:0): Define the start page address 0～7   PAGE0 ～ PAGE7 C(2:0): Set the frame rate of the time interval between each scrolling step 000 b - 5 frame 100 b - 3 frame 001 b - 64 frame 101 b - 4 frame 010 b - 128 frame 110 b - 25 frame 011 b - 256 frame 111 b - 2 frame D(2:0): Define the final page address 0～7   PAGE0 ～ PAGE7 D(2:0) The value of must be greater than or equal to B(2:0) E[5:0]: Vertical scroll offset for example E[5:0]= 01 h Means to offset = 1 That's ok E(5:0)= 3 Frequency hopping means cancellation = 63 That's ok Please note that (1) No continuous vertical scrolling available .
0	2E	0	0	1	0	1	1	1	0	Disable scrolling
0	2F	0	0	1	0	1	1	1	1	Activate scrolling
0 0 0	A3 A[5:0] B[6:0]	1 * 0	0 * B5	1 A5B5	0 A4B4	0 A3B3	0 A2 B2	1A1 B1	1A0 B0	Set vertical scrolling Area	A(5:0): No, . Of Row fixed area . No, . The row of the fixed region refers to GDDRAM( Reset = 0)( Immediately .0] B[6:0]: No, . On the scrolling line . This is a number of lines for vertical scrolling . The scrolling area starts at the top fixed area below the first line .( Reset = 64) Please note that (1)A[5:0]+[6:0]< = MUX ratio (2)B(6:0)< = MUX ratio (3) Vertical scroll offset (E(5:0)h / 2 ah 29 Japan )<B[6:0] (3 b) Set the display line (X5X4X3X2X1X0 Start 40 h ~ 7 frequency hopping )< B[6:0] (4) The last line of scrolling area is transferred to the first line of scrolling area . (5) Yes 64 d MUX Show (5:0)= 0,B[6:0]= 64: The entire area scrolls (5:0)= 0,B[6:0]< 64: Advanced Scroll A[5:0]+[6:0]< 64: Central area scroll A[5:0]+[6:0]= 64: Bottom area scroll

3、 Address setting command table

D/C	Hex	D7	D6	D5	D4	D3	D2	D1	D0	command	describe
0	00~0F	0	0	0	0	X3	X2	X1	X0	Set the low column start address Page addressing mode	Set the low biting start address of the column Book page use X( hold ) Addressing mode data bits . After the initial display line register is reset, it is reset to 0000 b. Please note that (1) This command is only in page addressing mode
0	10~1F	0	0	0	1	X3	X2	X1	X0	Set a higher column Start address Page addressing mode	Set the high biting start address of the column Book page use X( hold ) Addressing mode data bits . After the initial display line register is reset, it is reset to 0000 b. Please note that 1) This command is only in page addressing mode
0 0	20 A[1:0]	0 *	0 *	1 *	0 *	0 *	0 *	0 A1	0 A0	Set memory addressing mode	A[1:0]= 00, water Flat addressing mode A[1:0]= 01, Vertical addressing mode A[1:0]= 10, Page addressing mode ( Reset ) A[1:0]= 11, Invalid
0 0 0	21 A[6:0] B[6:0]	0 * *	0 A6B6	1 A5B5	0 A4B4	0 A3B3	0 A2 B2	0A1 B1	1A0 B0	Set column address	Set column start and end addresses A[6:0]: Column start address , Range :0 - 127 ( The default value is = 0) B[6:0]: Column end address range :0 - 127 ( The default value is = 127) notes ：(1) This command is only for horizontal or vertical addressing mode .
0 0 0	22 A[2:0] B[2:0]	0 * *	0 * *	1 * *	0 * *	0 * *	0 A2 B2	1A1 B1	0A0 B0	Set page address	Page setup start and end addresses A[2:0]: Page starting address , Range :0-7 ( The default value is = 0 ) B[2:0]: Page end address , Range :0-7 ( The default value is = 7 ) notes ：(1) This command is only for horizontal or vertical addressing mode .
0	B0~B7	1	0	1	1	0	X2	X1	X0	Set page start Page address Addressing mode	Set up GDDRAM Start of page Starting address (PAGE0 ~ PAGE7) Page addressing mode , Use X[2:0]. Please note that (1) This command is only in page addressing mode

4、 Hardware configuration table ( Panel resolution & Design related ) command

0	40~7F	0	1	X5	X4	X3	X2	X1	X0	Set display start line	Set display RAM Display start line address of 0 -> 63, Use X5X4X3X2X1X0 . The starting line address after reset is 0.
0	A0/A1	1	0	1	0	0	0	0	X0	Set segment remapping	A0,X[0]= 0: Column address 0 Mapping to SEG0( The default value is ) A1 X[0]= 1: Column address 127 Mapping to SEG0
0 0	A8 A[5:0]	1 *	0 *	1 A5	0 A4	1 A3	0 A2	0 A1	0 A0	Set multiple comparison columns	MUX The ratio is set to N + 1 MUX N =A[5:0]: from 16MUX To 64MUX , reset value = 111111 b( namely 63 d、64 mux) A[5:0]: value 0 To 14 It's invalid .
0	C0/C8	1	1	0	0	X3	0	0	0	Set up COM Output scan direction	C0:X[3]= 0: Normal mode ( The default value is ) scanning COM0->COM(N - 1) C8:X[3]= 1: Remapping mode . scanning COM0(N - 1)->COM0 among N yes MUX Ratio value
0 0	D3 A[5:0]	1 *	1 *	0 A5	1 A4	0 A3	0 A2	1 A1	1 A0	Set display compensation	Set up COM Move vertically 0->63 The value after reset is 0.
0 0	DA A[5:4]	1 *	1 *	0 A5	1 A4	0 0	0 0	1 0	1 0	Set up COM foot	A[4]= 0, continuity COM Foot configuration A[4]= 1,( Default ), Can choose COM Foot configuration A[5]= 0,( Default ), Ban COM Left / Right remapping A[5]= 1,COM Left / Right remapping

5、 Time and drive scheme settings Order table

0 0	D5 A[7:0]	1 A7	1 A6	0 A5	1 A4	0 A3	1 A2	0 A1	1 A0	Set the display clock Sub ratio / Oscillator frequency	A[3:0]: Set up DCLK Frequency division factor of : Frequency division ratio =A[3:0]+ 1, Reset to 0( Frequency division ratio = 1); A[7:4]: Set the crystal oscillator frequency ,FOSC The frequency varies with A[7:4] To increase by , vice versa . Reset to 8, Range :0 ~ 15; When the set value increases, the frequency increases .
0 0	D9 A[7:0]	1 A7	1 A6	0 A5	1 A4	1 A3	0 A2	0 A1	1 A0	Set up Pre-charge interval	A[3:0]:1 To 15 DCLK The interval of , write in 0 It's invalid ( reset value = 2); A[7:4]:2 To 15 DCLK The interval of ; write in 0 It's invalid ( reset value = 2)
0 0	DB A[6:4]	1 0	1 A6	0 A5	1 A4	0 0	0 0	1 0	1 0	VCOMH Voltage setting	A[6:4] V COMH Set up 00     0.65 x VCC 20     0.77 x VCC( After reset ) 30     0.83 x VCC
0	E3	1	1	1	0	0	0	1	1	NOP	There is no operation command

6、 Advanced graphics command table

0 0	23 A[6:0]	0 *	0 *	1 A5	0 A4	0 A3	0 A2	1 A1	1 A0	Set fade out , Flashing	A[5:4]= 00 Ban Fade out / Flash mode ( Reset ) A[5:4]= 10 Enable fade mode . Once fade mode is enabled , The contrast diminishes For all pixels . Fade mode is disabled when outputting memory contents . A[5:4]= 11 b Enable flashing mode . Once flashing mode is enabled , Contrast reduction step by step for all pixels , It increases gradually compared with the control . The process goes round and round , Until flashing mode is disabled . A[3:0]: Set the time interval for each fading step Please note that (1) Please refer to 10.3.1 Section details . A[3:0] Time interval for each fading step 0000 b 8 frame 0001 b 16 frame 0010 b 24 frame : 1111 b 128 frame
0 0	D6 A[0]	1 0	1 0	0 0	1 0	0 0	1 0	1 0	0 A0	Set magnification	A[0]= 0 Disable the magnifying mode type ( Reset ) A[0]= 1 b Make the zoom in mode Please note that (1) Must be replaced in COM Panel configuration of pins ( Command [4]= 1) (2) Please refer to 10.3.2 Section details .

7、 Charge pump command table

0 0

8D A[7:0]

1 *

0 *

0 0

0 1

1 0

1 A2

0 0

1 0

Charge pump Set up

A[2]= 0, Disable charge pump ( Reset ) A[2]= 1, Enable charge pump on display Please note that ： The charge pump must be enabled before the following command sequence : 0x8d; Charge pump settings 0x14, Enable charge pump 0xAF; Turn on the display

notes ： Due to limited time , A lot of machinetranslation is just modification , Please refer to English by yourself .