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lcd module specification model : MI12864AO revision engineering date our reference multi - inno technology co., ltd.
- 1 - product specification MI12864AO 12864 graphics oled display module MI12864AO ver 1.0 multi-inno technology co.,ltd. MI12864AO- 02 3 v 03 5 v 04 3 v 05 5 v yellow MI12864AO- MI12864AO- MI12864AO-
MI12864AO - 2 - content 1 overview.................................................................................................................... ....................3 2 features .................................................................................................................... ......................3 3 mechanical data ............................................................................................................. ...............4 4 recommended operation conditions ............................................................................................ 4 5 electrical characteristics.................................................................................................. ..............4 6 module drawing .............................................................................................................. ..............5 7 function block diagram...................................................................................................... ..........7 8 module interface ............................................................................................................ ................7 9 timing characteristics ...................................................................................................... .............9 10 display control instruction................................................................................................ ........12 11 graphic display data ram address map ..................................................................................14 12 precautions for operation and storage ..................................................................................... 15 12.1 precautions for operation ...............................................................................................1 5 12.2 soldering ............................................................................................................... ........15 12.3 precautions for storage .................................................................................................. .15 12.4 warranty period.......................................................................................................... .....15 12.5 test status .............................................................................................................. .........16 )jtupszpg4qfdjg jdbujpo3fwjtjpo %buf 3fw $poufout 3fnbsl *ojujbm 3fmfbtf /bnfe ver 1.0 multi-inno technology co.,ltd.
- 3 - 1 overview MI12864AO is an oled monochrome 12864 dot matrix display module. the characteristics of this display module are high brightness, self-emission, high contrast ratio, slim/thin outline, wide viewing angle, wide temperature range, and low power consumption. the module displays data directly from its internal 128x64bits graphic display data ram(gddram). data/commands are sent from general mcu through the hardware select able 6800-/8080-series compat ible parallel interface or serial peripheral interface. 2 features - 12864 pixels - high contrast ratio - wide viewing angle - wide range of operating temperature - low power consumption - 8-bit 8080-databus or 8-bit 6800-series pa rallel interface or series peripheral interface (-03 & -05 only have 8-bit 8080-databus and series peripheral interface) - display data is stored in dis play data ram from mpu - power supply to logic system: +3v10%(-02 -04) +5v10%(-03 -05) - power supply to oled driving system: +12v to +16v - built-in ssd1305 standard oled controller MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 4 - 3 mechanical data no. item specification unit 1 dot matrix 128(columns) x 64(rows) 2 dot size 0.45(w) x 0.45 (h) mm 3 dot pitch 0.48 (w) x 0.48 (h) mm 4 aperture rate 67.2 % 5 active area 61.41 (w) x 30.69 (h) m 2 6 panel size 75(w) x 41.86 (h) x2.16(t) mm 7 module size 75 (w) x 53.5 (h) x 5(max) (t) mm 8 polarizer with 9 duty 1/64 4 recommended operation conditions symbol item min typ max unit v dd logic supply voltage 2.4 4.5 3.0 (-02 04) 5.0 (-03 05) 3.5 5.5 v v cc operating voltage 12 14 16 v t op operating temp. -40 - +80 t stg storage temp -50 - +85 5 electrical characteristics symbol item test condition min typ max unit i cc operating supply current - 20 - ma i dd logic supply current - - - ma p t total power 7%% 7$$ /pufde' 5 pq - 350 500 mw v ih digital input high - 2.4 4.5 - 3.5 5.5 volts v il digital input low - 0 - 0.2v dd volts f frm frame frequency hz note: 80 de'xjui polarization film, be equal to 280 de' MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 5 - 6 module drawing (MI12864AO-02, MI12864AO-05) MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 6 - module drawing (MI12864AO-03,MI12864AO-04) MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 7 - 7 function block diagram mi128x64ao oled module note: some pins omitted 8 module interface
pin name pin no description gnd 1 ground vdd 2 logic voltage +3v(- 02,-04) +5v(-03,-05) vcc 3 oled drive voltage +14v (don?t care.) d/c# 4 data/command select. this is the data/command control pin. when it is pulled high, the input at d7-d0 is treated as display data. when it is pulled low, the input at d7-d0 is transferred to the command registers. for detail relationship to mcu interface signals, please refer to the timing characteristics diagrams. r/w# 5 this is a mcu interface input pin. when 6800-series parallel interface mode is selected, this pin is used as read/write (r/w) selection input. pull this pin to high for read mode and pull it to low for write mode. when 8080-series parallel interface m ode is selected, this pin is used as write (wr#) selection input. pull this pin to low for write mode. data write operation is initiated when this pin is pulled low and the cs# is pulled low. r/w# d0-d7 ssd1305 driver ic vcc =a gnd vdd res# d/c# e/rd# cs# nc nc 128x64 oled panel row 0 2--62 column0-127 row 1 3--63 MI12864AO ver 1.0 multi-inno technology co.,ltd. MI12864AO
- 8 - e(rd#) 6 this is a mcu interface input pin. when 6800-series parallel interface is selected, this pin is used as enable (e) signal. read/write operation is initiated when this pin is pul led high and the cs# pin is pulled low. when 8080-series parallel interface is selected, this pin is used to receive the read data (rd#)signal. data read operation is initiated when this pin is pulled low and cs# pin is pulled low. d0-d7 7-14 these are 8-bit bi-directional data bus to be connected to the microprocessor?s data bus. when serial interface mode is selected, d1 will be the serial data input, sdin, and d0 will be the serial clock input, sclk. cs# 15 chip select,active low res# 16 reset,active low m80/68# 17 these are mcu interface input selection pins. -03 & -05 only have 8-bit 8080-databus and series peripheral interface . see the following table for selecting different interfaces: ttable 6800-paralle interface 8080-parallel interface serial interface m80/68# 0 1 0 ms 18 ms 1 1 0 nc 19 not connect! fg 20 frame ground MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 9 - 9 timing characteristics mMI12864AO(-02 -03 -04 -05 6800 -series mpu parallel interface timing characteristics ( ta =25c) 6800 -series mpu parallel in terface characteristics -02 -04 MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 10 - 8080 -series mpu parallel interface timing characteristics (ta =25c) 8080 -series mpu parallel inte rface characteristics(-02 -03 -04 -05) MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 11 - serial interface timing characteristics (ta = 25c) serial interface characteristics(-02 -03 -05) mi12864a0o ver 1.0 multi-inno technology co.,ltd.
- 12 - 10 display control instruction command table (d/c =0, r/ w (wr#)=0, e (rd#)=1) bit pattern command description 0000 x 3 x 2 x 1 x 0 set lower column address ** set the lower nibble of the column address register using x 3 x 2 x 1 x 0 as data bits. the initial display line register is reset to 0000b after por. 0001 x 3 x 2 x 1 x 0 set higher column address ** set the higher nibble of the column address register using x 3 x 2 x 1 x 0 as data bits. the initial display line register is reset to 0000b after por. 00101111 activate horizontal scro ll start horizontal scrolling 00101110 deactivate horizontal scroll stop horizontal scrolling 01001100 a[2:0] b[2:0] c[1:0] d[2:0] horizontal scroll setup a[2:0] set the number of column scroll per step valid value: 001b, 010b, 011b, 100b b[2:0] define start page address c[1:0] set time interval between each scroll step in terms of frame frequency 00b ? 12 frame 01b ? 64 frames 10b ? 128 frames 11b ? 256 frames d[2:0] define end page address set the value of d[2:0] larger or equal to b[2:0] 10000001 a[7:0] set contrast control register ** double byte command to select 1 out of 256 contrast steps. contrast increases as the value increases. (por = 80h) 1010010x 0 set entire display on/off ** x 0 =0: normal display (por) x 0 =1: entire display on 1010011x 0 set normal/inverse display ** x 0 =0: normal display (por) x 0 =1: inverse display 10101000 a[5:0] set multiplex ratio ** the next command, a[5:0] determines multiplex ratio n from 16mux-64mux, por= 64mux 1010111x 0 set display on/off ** x 0 =0: turns off oled panel (por) x 0 =1: turns on oled panel 1011 x 3 x 2 x 1 x 0 set page address ** set gddram page address (0~7) for read/write using x 3 x 2 x 1 x 0 1100x 3 * * * set com output scan direction ** x 3 =0: normal mode (por) scan from com 0 to com [n ?1] mi12864a0o ver 1.0 multi-inno technology co.,ltd.
- 13 - x 3 =1: remapped mode. scan from com [n-1] to com0 where n is the multiplex ratio. 11010011 a[5:0] set display offset ** set vertical scroll by com from 0-63. the value is reset to 00h after por. 11011001 x 7 x 6 x 5 x 4 0010 set pre-charge period set length of pre-charge period in number of dclk default value of x 7 x 6 x 5 x 4 is 0010b 11011010 000x 4 0010 set com pins hardware configuration x 4 =0, sequential com pin configuration (i.e. com31, 30, 29?.0 ; seg0-132; com31,32?.62,63) x 4 =1(por), alternative com pin configuration (i.e. com62,60,58,?2,0; seg0-132;com1,3,5?61,6 3) 11100010 reserved reserved 11100011 nop ** command for no operation note: por mean is power on reset. mi12864a0o ver 1.0 multi-inno technology co.,ltd.
- 14 - 11 graphic display data ram address map MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 15 - 12 precautions for operation and storage 12.1 precautions for operation (1) since oled panel is made of glass, in or der to prevent from glass broken, please do not apply any mechanical shock or impact or excessive force to it when installing the oled module. any strong mechanical impact due to falling dropping etc. may cause damage (breakage or cracking). (2) the polarizer on the oled surface is made of soft material and is easily scratched. please take most care when handing. (3) if oled surface is contaminated, please wipe it off gently by using moisten soft cloth with normal ethanol, do not use acetone, ketone, isopropyl alcohol or wa ter. if there is saliva or water on the oled surface, please wipe it off immediately. (4) when handling oled module, please be sure that the body and th e tools are properly rounded. and do not touch i/o pins with bare hands or contaminate i/o pins, it will cause disconnection or defective insulation of terminals. (5) do not attempt to disassemble or process the oled module. (6) oled module should be used under reco mmended operating conditions shown in the specification. since the higher voltage leads to the shorter lifetime, be sure to use the specified operating voltage. (7) foggy dew, moisture condensation or wa ter droplets deposited on surface and contact terminals will cause polarizer stain or dam age, the deteriorated display quality and electrochemical reaction then leads to t he shorter life time and permanent damage to the module probably. please pay attenti on to the environmental temperature and humidity. 12.2 soldering (1) use the high quality solder. (60-63% tin mixed with lead) (2) iron: no higher than 260
and less than 3~4 sec during soldering. (3) soldering: only to the i/o terminals. (4) rewiring: no more than 3 times. 12.3 precautions for storage (1) please store oled module in a dark place, avoid exposure to sunlight, the light of fluorescent lamp or any ultraviolet ray. (2) keep the environment tem perature at between 10c an d 35c and the relative humidity less than 60%. avoid high temperature, high humidity. (3) that keeps the oled modules stored in the container shipped from supplier before using them is recommended. (4) do not leave any article on the oled m odule surface for an extended period of time. 12.4 warranty period we warrants for a period of 12 months from the shipping date w hen stored or used under normal condition MI12864AO ver 1.0 multi-inno technology co.,ltd.
- 16 - 12.5 test status test item test condition quantity high temperature (storage) 70 c,240 hours 3pcs humidity (storage) +85 c, 100%rh, 24hours 3pcs low temperature (storage) 'c 50 ,120 hours 3pcs low temperature (operating) -45 c, 120 hours 2pcs high temperature (operating) 80 c, 120hours 2pcs note: after test 2 hours (room temperature), che ck function & appearance. MI12864AO ver 1.0 multi-inno technology co.,ltd.

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