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data modul ag - www.data-modul.com specification 20.3cm (8.0") tft rev. 01, september 2009 note: this specification is subject to change without prior notice L5S30978
revision history product number rev. revised item date L5S30978p00 00 initial issue jul .10, 2009 L5S30978p00 01 4.2 characteristics of led and led driving (page:15/43) -?forward current? and ?life time? items are added. -a graph of ?ambient temper ature vs. allowable forward current? is deleted. -note2, note3 and note4 are added. 6.2.1 application scope (page:31/43) - note is added. ( viewing area = bezel opening area) sep .08, 2009 data modul ag - www.data-modul.com 2 contents epson imaging devices corp. 1 basic specif icatio ns ........................................................................................................... .......................... 1 1.1 struct ure...................................................................................................................... ............................. 1 1.2 mechanical drawi ng........................................................................................................................ ....... 1 1.3 block diagram ........................................................................................................................ ................... 2 1.4 i/o terminals...................................................................................................................... ......................... 3 1.5 lighting system ........................................................................................................................................ 5 2 functio ns ...................................................................................................................... ..................................... 6 2.1 overview ....................................................................................................................... .............................. 6 2.2 rgb interf ace............................................................................................................................................ 6 2.3 serial interf ace....................................................................................................................................... 8 2.4 command set ............................................................................................................................ ................ 10 2.5 command descript ion .................................................................................................................... ...... 10 3 absolute maxi mum rat ings ....................................................................................................... ............... 14 3.1 absolute maximum rating ................................................................................................................... 14 4 electrical spec ificat ion ....................................................................................................... ................... 14 4.1 dc character istics................................................................................................................ ............... 14 4.2 characteristics of led and led driving ....................................................................................... 15 4.3 ac character istics................................................................................................................ ............... 16 4.4 power modes .......................................................................................................................... ................. 21 4.5 power functio ns ...................................................................................................................... ............. 22 4.6 recommended sequence ..................................................................................................................... 24 5 optical specif ication .......................................................................................................... ....................... 27 5.1 optical character istics ................................................................................................................ .... 27 5.2 definition and condition of optical characteris tics ........................................................... 27 6 inspection st andard ............................................................................................................ ....................... 30 6.1 quality standa rd....................................................................................................................... ............ 30 6.2 appearance standa rd ....................................................................................................................... .. 31 6.3 warrant y ....................................................................................................................... ........................... 33 7 reliabi lity.................................................................................................................... .................................... 34 7.1 standard test item and conditon / method ................................................................................ 34 7.2 failure judgment standa rd .............................................................................................................. 35 data modul ag - www.data-modul.com 3 contents epson imaging devices corp. 8 packi ng ........................................................................................................................ ..................................... 36 9 lcd module usage and precaut ions............................................................................................... ..... 39 9.1 handlin g ....................................................................................................................... ............................. 39 9.2 design ......................................................................................................................... ................................ 40 9.3 storage ........................................................................................................................ ............................. 43 9.4 disposal....................................................................................................................... .............................. 43 9.5 other precauti ons .................................................................................................................... ........... 43 data modul ag - www.data-modul.com 4 product number L5S30978p00 revision number 01 page epson imaging devices corp. 1 basic specifications this document gives the characteristics of the active matrix 8.0 inch tft lcd. 1.1 structure no. factor specifications unit remarks 1 lcd structure a-tft lcd - 2 module size (w x h x t) 187.5(w) x 120(h) x 9.9(t) mm note1) 3 weight 270 g 4 active area (w x h) 174.0(w) x 104.4(h) mm 5 screen size 8.0 inch - 6 number of dots 800 x rgb (w) x 480 (h) - 7 dot pitch (horizontal x vertical) 0.2175(w) x 0.2175(h) mm 8 dot layout rgb stripe - 9 liquid crystal mode vistarich technology normally black transmissive type - 10 polarization plate hard coat - 11 operating temperature - 30 to +85 deg. c 12 storage temperature - 40 to +90 deg. c note1) the module size(w) doesn?t contain the fixing boss. 1.2 mechanical drawing please refer to the outline drawing (p068887-11-00) of this lcd module. data modul ag - www.data-modul.com 5 product number L5S30978p00 revision number 01 page epson imaging devices corp. 1.3 block diagram 3 ( # y 3 ( # y 7 b m j e e p u t 7 b m j e e p u t source driver source driver gate driver gate driver op-amp pclk vs hs r [5:0] g [5:0] b [5:0] vdd gnd scl sda xcs xres eeprom vcom cn1 anode1 cathode1 anode2 cathode2 anode3 cathode3 anode4 cathode4 cn2 back light unit data modul ag - www.data-modul.com 6 product number L5S30978p00 revision number 01 page epson imaging devices corp. 1.4 i/o terminals cn1: display interface pin assignment (50pin) ; suitable connector : iriso / 9686 (au-plating) pin no. symbol function i/o remarks 1 gnd ground p 2 gnd ground p 3 r[0] display data (red) i (lsb) 4 r[1] display data (red) i 5 r[2] display data (red) i 6 r[3] display data (red) i 7 r[4] display data (red) i 8 r[5] display data (red) i (msb) 9 gnd ground p 10 gnd ground p 11 gnd ground p 12 g[0] display data (green) i (lsb) 13 g[1] display data (green) i 14 g[2] display data (green) i 15 g[3] display data (green) i 16 g[4] display data (green) i 17 g[5] display data (green) i (msb) 18 gnd ground p 19 gnd ground p 20 gnd ground p 21 b[0] display data (blue) i (lsb) 22 b[1] display data (blue) i 23 b[2] display data (blue) i 24 b[3] display data (blue) i 25 b[4] display data (blue) i 26 b[5] display data (blue) i (msb) 27 gnd ground p 28 gnd ground p 29 gnd ground p 30 gnd ground p data modul ag - www.data-modul.com 7 product number L5S30978p00 revision number 01 page epson imaging devices corp. 31 pclk clock for display data i latched at rising edge 32 gnd ground p 33 gnd ground p 34 vs vertical synchronous signal i ?l? active 35 gnd ground p 36 gnd ground p 37 gnd ground p 38 hs horizontal synchronous signal i ?l? active 39 gnd ground p 40 vdd power supply p 41 vdd power supply p 42 gnd ground p 43 gnd ground p 44 xres reset i ?l? active 45 gnd ground p 46 xcs chip select for serial data i ?l? active 47 scl serial clock i latched at rising edge 48 sda serial data i 49 sda serial data i 50 gnd ground p cn2 : backlight interface pin assignment (8pin) ; suitable connector : iriso / 9686 (au-plating) pin no. symbol function i/o description 1 anode1 led anode terminal1 p 2 cathode 1 led cathode terminal1 p 3 anode 2 led anode terminal 2 p 4 cathode 2 led cathode terminal2 p 5 anode 3 led anode terminal3 p 6 cathode 3 led cathode terminal3 p 7 anode 4 led anode terminal4 p 8 cathode 4 led cathode terminal4 p i/o : input / output terminal, i : input terminal, o : output terminal, p : power line terminal data modul ag - www.data-modul.com 8 product number L5S30978p00 revision number 01 page epson imaging devices corp. 1.5 lighting system led type for lighting items description led type ns2w123 color rank a93,a94a,b91,b92a,b93,b94a luminous intensity rank pv5, pv6, pv7 anode 1 cathode 2 led 6p cathode 1 pin 1 2 3 4 6 led schematic 7 8 anode 2 anode 3 cathode 3 anode 4 cathode 4 led 6p led 6p led 6p 5 data modul ag - www.data-modul.com 9 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2 functions 2.1 overview this lcd module has two types of used for transferring of command and pixel data. 1) rgb interface 18bit parallel bus for transferring of pixel data. 2) serial interface 3 wire serial bus for transferring of commands. 2.2 rgb interface 2.2.1 general description for rgb interface pixel clock (pclk) is running all the time without stopping in normal mode and it is used for entering hs, vs and r[5:0],g[5:0] ,b[5:0] lines states on a rising edge of the pclk. vertical synchronization (vs) informs when a new frame starts. this signal is active low and its state is read to the display module on a rising edge of the pclk-line. horizontal synchronization (hs) informs when a new line starts. this signal is active low and its state is read to the display module on a rising edge of the pclk-line. r[5:0],g[5:0] ,b[5:0] consist image information that is transferred on the displa y. r[5:0],g[5:0] ,b[5:0] lines can be ?0? or ?1?. these lines ar e read on a rising edge of the pclk-line. the pixel clock cycle is described in the following figure. pclk hs vs r[5:0] g[5:0] b[5:0] host changes r[5:0],g[5:0],b[5:0],hs and vs lines when there is a falling edge of the pclk display reads r[5:0],g[5:0],b[5:0],hs and vs lines when there is a rising edge of the pclk data modul ag - www.data-modul.com 10 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.2.2 18-bit color order of rgb interface xres b2 b3 b ( 0 , 0 ) bit3 pclk 3 ( # 3 ( # 3 ( # pixels on the display vs hs 4 b ( 1 , 0 ) bit3 b ( 2 , 0 ) bit3 b ( 3 , 0 ) bit3 b ( 4 , 0 ) bit3 b ( 0 , 0 ) bit2 b ( 1 , 0 ) bit2 b ( 2 , 0 ) bit2 b ( 3 , 0 ) bit2 b ( 4 , 0 ) bit2 b0 b1 b ( 0 , 0 ) bit1 b ( 1 , 0 ) bit1 b ( 2 , 0 ) bit1 b ( 3 , 0 ) bit1 b ( 4 , 0 ) bit1 b ( 0 , 0 ) bit0 b ( 1 , 0 ) bit0 b ( 2 , 0 ) bit0 b ( 3 , 0 ) bit0 b ( 4 , 0 ) bit0 b4 b5 b ( 0 , 0 ) bit5 b ( 1 , 0 ) bit5 b ( 2 , 0 ) bit5 b ( 3 , 0 ) bit5 b ( 4 , 0 ) bit5 b ( 0 , 0 ) bit4 b ( 1 , 0 ) bit4 b ( 2 , 0 ) bit4 b ( 3 , 0 ) bit4 b ( 4 , 0 ) bit4 g2 g3 g ( 0 , 0 ) bit3 g ( 1 , 0 ) bit3 g ( 2 , 0 ) bit3 g ( 3 , 0 ) bit3 g ( 4 , 0 ) bit3 g ( 0 , 0 ) bit2 g ( 1 , 0 ) bit2 g ( 2 , 0 ) bit2 g ( 3 , 0 ) bit2 g ( 4 , 0 ) bit2 g0 g1 g ( 0 , 0 ) bit1 g ( 1 , 0 ) bit1 g ( 2 , 0 ) bit1 g ( 3 , 0 ) bit1 g ( 4 , 0 ) bit1 g ( 0 , 0 ) bit0 g ( 1 , 0 ) bit0 g ( 2 , 0 ) bit0 g ( 3 , 0 ) bit0 g ( 4 , 0 ) bit0 g4 g5 g ( 0 , 0 ) bit5 g ( 1 , 0 ) bit5 g ( 2 , 0 ) bit5 g ( 3 , 0 ) bit5 g ( 4 , 0 ) bit5 g ( 0 , 0 ) bit4 g ( 1 , 0 ) bit4 g ( 2 , 0 ) bit4 g ( 3 , 0 ) bit4 g ( 4 , 0 ) bit4 r2 r3 r ( 0 , 0 ) bit3 r ( 1 , 0 ) bit3 r ( 2 , 0 ) bit3 r ( 3 , 0 ) bit3 r ( 4 , 0 ) bit3 r ( 0 , 0 ) bit2 r ( 1 , 0 ) bit2 r ( 2 , 0 ) bit2 r ( 3 , 0 ) bit2 r ( 4 , 0 ) bit2 r0 r1 r ( 0 , 0 ) bit1 r ( 1 , 0 ) bit1 r ( 2 , 0 ) bit1 r ( 3 , 0 ) bit1 r ( 4 , 0 ) bit1 r ( 0 , 0 ) bit0 r ( 1 , 0 ) bit0 r ( 2 , 0 ) bit0 r ( 3 , 0 ) bit0 r ( 4 , 0 ) bit0 r4 r5 r ( 0 , 0 ) bit5 r ( 1 , 0 ) bit5 r ( 2 , 0 ) bit5 r ( 3 , 0 ) bit5 r ( 4 , 0 ) bit5 r ( 0 , 0 ) bit4 r ( 1 , 0 ) bit4 r ( 2 , 0 ) bit4 r ( 3 , 0 ) bit4 r ( 4 , 0 ) bit4 data modul ag - www.data-modul.com 11 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.3 serial interface 2.3.1 general description the display module uses 3-wire 9-bit serial interf ace, which is used as command interface. the chip select, xcs (active low) enables and disables the serial interface. xres (active low) is external reset signal. scl is the serial data clock and sda is serial data. serial data is input to sda in the sequence d/xc, d7 to d0. the display module reads the data at the rising edge of scl signal. the first bit of serial data, d/xc, is data/command flag. when d/xc = ?1?, d7 to d0 bits are command parameter. when d/xc = ?0?, d7 to d0 bits compose a command. 2.3.2 command write the host cpu drives the xcs pin low and starts by setting the d/xc-bit on sda . the bit is read by the display at the first rising edge of scl. at the next falling edge of scl the msb data bit (d7) is set on sda by the cpu. at the next falling edge of scl the next bit (d6) is set on sda . this continues until all 8 data bits have been transmitted as shown in the following figure. 0d7 d1 d2 d3d4d5d6 d0 d0 d/xc d7 d6 d5 d4 d3 d2 d1 command command or parameter xcs sda scl host 2.3.3 display module data transfer recovery if there is a break in data transmission while transferring command, image data or multiple parameters before a whole byte has been completed, the display modul e must reset the interface in a way that it will be ready to receive the same byte re-transmitted when the chip select line (xcs) is next activated. see the following example in the following figure. d/xc d7 d4d5 d6 d0 d/xc d7 d6 d5 d4 d3 d2 d1 command/parameter command or parameter xcs sda scl host break if one or more parameter command is being sent and a break occurs while sending any parameter before the last one and if the host then sends a new command rather than re-transmitting the parameter that was interrupted, then the par ameters that were successfully sent are stored and the parameter where the break occurred is rejected. the interf ace is ready to receive next byte as shown: command break command parameter 2 parameter 1 data modul ag - www.data-modul.com 12 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.3.4 display module data transfer pause it will be possible when transferring image data, command or multiple parameter data to invoke a pause in the data transmission. if the chip select line is released after a whole byte of image data, command or multiple parameter data has been completed, then t he display module will wait and continue command or parameter data transmission from the point w here it was paused as shown below figure. d4 d3 d0d1d2 d0 d/xc d7 d6 d5 d4 d3 d2 d1 command/parameter command or parameter xcs sda scl host pause there are 4 cases when this kind of pause is possible: 1) command ? pause ? command 2) command ? pause ? parameter 3) parameter ? pause ? command 4) parameter ? pause ? parameter data modul ag - www.data-modul.com 13 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.4 command set note 1: undefined commands are working as a nop (00h) command. note 2: commands 10h, 13h, 28h, 29h, and 36h are updated during vs when the display module is in display on mode to avoid abnormal visual effects. during sleep mode, these commands are updated immediately. 2.5 command description 2.5.1 no operation (00h) 00h nop (no operation) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 0 0 0 0 0 0 00 parameter no parameter description this command is an empty command. it does not have any effect on the display module. 2.5.2 software reset (01h) 01h swreset (software reset) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 0 0 0 0 0 1 01 parameter no parameter description this command resets lcd module by software. restriction s it is necessary to wait 5 ms before s ending new command following software reset. if sw reset is applied during display on mode, it is necessary to wait 120ms before sending slpout command. no. command hex d7 d6 d5 d4 d3 d2 d1 d0 functions 1 nop 00 0 0 0 0 0 0 0 0 no operation 2 swreset 01 0 0 0 0 0 0 0 1 software reset 3 slpin 10 0 0 0 1 0 0 0 0 sleep state 4 slpout 11 0 0 0 1 0 0 0 1 sleep state release 5 noron 13 0 0 0 1 0 0 1 1 test mode release 6 disoff 28 0 0 1 0 1 0 0 0 display off 7 dison 29 0 0 1 0 1 0 0 1 display on madctl 36 0 0 1 1 0 1 1 0 memory access control 8 parameter 1 00 b7 b6 0 0 0 0 0 0 scanning direction of the panel colmod 3a 0 0 1 1 1 0 1 0 i/f color format setting 9 parameter 1 60 0 1 1 0 0 0 0 0 262k colors data modul ag - www.data-modul.com 14 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.5.3 sleep in (10h) 10h slpin (sleep in) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 0 1 0 0 0 0 10 parameter no parameter description this command sets the sleep state of the lcd module. restrictions this command has no effect when modul e is already in sleep mode. it is necessary to wait 5 ms before sending next command. and it is necessary to wait 120 ms after sending slpout command (when in sleep mode) before slpin command can be sent. 2.5.4 sleep out (11h) 11h slpout (sleep out) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 0 1 0 0 0 1 11 parameter no parameter description this command turns off sleep mode. in this mode the dc/dc converter is enabled and panel scanning is started. restriction s this command has no effect when module is already in display on mode. it is necessary to wait 5 ms before sending next command. and it is necessary to wait 120 ms after sending slpin command (when in display on mode) before slpout command can be sent. 2.5.5 normal mode on (13h) 13h noron (normal mode on) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 0 1 0 0 1 1 13 parameter no parameter description this command returns the display to normal mode. this command turns test mode off. data modul ag - www.data-modul.com 15 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.5.6 display off (28h) 28h disoff (display off) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 1 0 1 0 0 0 28 parameter no parameter description this command turns off the display. the output from rgb i/f is disabled and blank page inserted. 2.5.7 display on (29h) 29h dion (display on) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 1 0 1 0 0 1 29 parameter no parameter description this command turns on the display. it is used to recover from disoff command. output from the rgb i/f to panel is enabled. data modul ag - www.data-modul.com 16 product number L5S30978p00 revision number 01 page epson imaging devices corp. 2.5.8 memory access control (36h) 36h madctl (memory access control) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 1 1 0 1 1 0 36 1st parameter 1 b7 b6 0 0 0 0 0 0 xx description this command defines the scanning direction of the panel. bit name description b7 page address order b6 column address order b7 and b6 control the scanning direction of the panel. 2.5.9 interface color format (3ah) 3ah colmod (interface color format) d/xc d7 d6 d5 d4 d3 d2 d1 d0 hex command 0 0 0 1 1 1 0 1 0 3a 1st parameter 1 0 1 1 0 0 0 0 0 60 description this command defines the format of rgb image data, which is transferred via rgb i/f. this command is used for refresh sequence. b7 = 0 and b6 = 0 b7 = 0 and b6 = 1 b7 = 1 and b6 = 0 start point (0, 479) b7 = 1 and b6 = 1 start point (799, 479) end point (0, 479) end point (799, 479) start point (799, 0) start point (0, 0) end point (0, 0) end point (799, 0) data modul ag - www.data-modul.com 17 product number L5S30978p00 revision number 01 page epson imaging devices corp. 3 absolute maximum ratings 3.1 absolute maximum rating lcd module parameter symbol rating unit power supply voltage vdd -0.3 to +4.2 v logic signal input voltage vi -0.3 to vdd+0.3 v logic signal output voltage vo -0.3 to vdd+0.3 v note: ta = 25 deg.c led (backlight unit ) parameter symbol rating unit forward current if 120 ma pulse forward current ifp 200 ma allowable reverse current ir 85 ma power dissipation pd 480 mw dice temperature tj 130 deg.c ifp conditions: pulse width = < 10msec. and duty = < 1/10 note: ta = 25 deg.c ( from nichia?s one led specification ) 4 electrical specification 4.1 dc characteristics specification parameter symbol condition min. typ. max. unit power supply voltage vdd 3.0 3.3 3.6 v logic high level input voltage vih 0.7vdd - vdd v logic low level input voltage vil vss - 0.3vdd v logic high level input current iih vin = vss to vdd ta = 25 deg.c - - 1 ua power supply current idd note 1 - 140 (200) ma power supply current (sleep mode) idd note 2 - 7 (10) ma note 1: typ. vdd=3.3v, ta = 25 deg.c, display : all white max. vdd=3.0v to 3.6v, ta = -30 to +85 deg.c, display : all white note2: vdd=3.3v, ta = 25 deg.c, input pins of hs,vs,pclk,r[5 :0],g[5:0],b[5:0],xcs,scl,sda are being fixed to ?h? or ?l?. note3: vss= 0 [v] data modul ag - www.data-modul.com 18 product number L5S30978p00 revision number 01 page epson imaging devices corp. 4.2 characteristics of led and led driving value item min. typ. max. unit forward current (if ) - 80 ma forward voltage (vf) at if=80ma (3.6) 4.0 v life time (note 2 ) - 60,000 hr number of led components 24 pcs. / one lcd module note 1: ta = 25 deg.c ( from nichia?s one led specification ) note 2: a reference mention (from nichia?s technical information) this is presumption of life time. it is not a performance guarantee. note 3: ambient temperature vs. forward vo ltage ( from nichia?s one led specification ) note 4: [reference ambient temperature vs. allowable forward current for tft module it is a derating curve in a module simple substance. 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