rai o ra8860 80x2 dots 16-colors lcd driver specification version 1.1 october 14, 2010 ra i o technology inc. @copyright raio technology inc. 2010 rai o technology inc. 1/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra8860 1. overview the ra8860 is a lcd driver & controller for field s equential liquid crystal display (fslcd) systems. it contains 80 segment and 2 common driver circuits. this chip is connected directly to a mcu, support 3-wire, 4-wire serial peripheral interface (spi) and i2c interface, display data can stores in an on-chip display data ram of 640bits. it performs display data ram read/writ e operation with no external operating clock to minimize power consumption. in addition, it also can produce led driving signals to generate rgb led backlight system if necessary. 2. features ? 80seg x 2com drive outputs ? supports serial i 2 c, 3/4-wires mcu interface ? supports 8 or 16 colors display ? build-in 640-bits display ram ? duty: static, 1/2 duty ? build-in voltage booster(4x) and voltage follower for lcd driver ? supports blinking mode ? build-in rgb led driver for led and max. 80ma sink current for each driver ? build-in rc oscillator ? supports multi fslcd drivers (master / slave mode) ? available package type: lqfp-128pin, bare die ? supply voltage: 2.7~5.5v ? ordering information parts number package type ra8860 bare die RA8860L4N lqfp-128pin 3. block diagram vcm vcm_in v0 vr vref vout c[3:1]p c[2:1]n avdd agnd vdd vddp gnd gndp seg[79:0] segment drv common drv core reset osc lcd bias regulator 4x boost lcd bias regulator 4x boost ms, if_sel[1:0] scl, /cs, rs_sdi sda_sdo sa[2:0] com[1:0] /rst clk_sel cl led-r led-g led-b clk_out sync sram serial mcu i/f led driver tp[6:0] rai o technology inc. 2/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra8860 4. pad coordinate pad no. pad name x-axis y-axis pad no. pad name x-axis y-axis 1 led-r -1836.585 -1210.29 45 seg1 2113.0 -800.0 2 led-g -1686.585 -1210.29 46 seg2 2113.0 -700.0 3 led-b -1556.145 -1210.29 47 seg3 2113.0 -600.0 4 gndp -1440.925 -1210.29 48 seg4 2113.0 -500.0 5 vddp -1250.925 -1274.97 49 seg5 2113.0 -400.0 6 sa2 -1150.925 -1274.97 50 seg6 2113.0 -300.0 7 sa1 -1050.925 -1274.97 51 seg7 2113.0 -200.0 8 sa0 -950.925 -1274.97 52 seg8 2113.0 -100.0 9 ms -850.925 -1274.97 53 seg9 2113.0 0.0 10 scl -750.925 -1274.97 54 seg10 2113.0 100.0 11 /cs -650.925 -1274.97 55 seg11 2113.0 200.0 12 sda_sdo -550.925 -1274.97 56 seg12 2113.0 300.0 13 rs_sdi -450.925 -1274.97 57 seg13 2113.0 400.0 14 if_sel1 -350.925 -1274.97 58 seg14 2113.0 500.0 15 if_sel0 -250.925 -1274.97 59 seg15 2113.0 600.0 16 sync -150.925 -1274.97 60 seg16 2113.0 700.0 17 clk_out -50.925 -1274.97 61 seg17 2113.0 800.0 18 cl 49.075 -1274.97 62 seg18 2113.0 900.0 19 clk_sel 149.075 -1274.97 63 seg19 2113.0 1010.0 20 /rst 249.075 -1274.97 64 seg20 2113.0 1135.0 21 vdd 349.075 -1274.97 65 seg21 2113.0 1285.0 22 gnd 449.075 -1274.97 66 seg22 1785.0 1350.0 23 gndp 549.075 -1274.97 67 seg23 1635.0 1350.0 24 agnd 649.075 -1274.97 68 seg24 1510.0 1350.0 25 avdd 749.075 -1274.97 69 seg25 1400.0 1350.0 26 c2n 849.075 -1274.97 70 seg26 1300.0 1350.0 27 c2p 970.315 -1260.87 71 seg27 1200.0 1350.0 28 c1p 1070.315 -1260.87 72 seg28 1100.0 1350.0 29 c1n 1191.555 -1267.97 73 seg29 1000.0 1350.0 30 c3p 1312.795 -1260.87 74 seg30 900.0 1350.0 31 vout 1412.795 -1260.87 75 seg31 800.0 1350.0 32 vr 1512.795 -1260.87 76 seg32 700.0 1350.0 33 v0 1612.795 -1260.87 77 seg33 600.0 1350.0 34 vcm_in 1722.795 -1260.87 78 seg34 500.0 1350.0 35 vcm 1847.795 -1260.87 79 seg35 400.0 1350.0 36 vref 1997.795 -1274.97 80 seg36 300.0 1350.0 37 tp0 2099.7 -1226.8 81 seg37 200.0 1350.0 38 tp1 2133.0 -1184.0 82 seg38 100.0 1350.0 39 tp2 2099.7 -1141.2 83 seg39 0.0 1350.0 40 tp3 2133.0 -1098.4 84 seg40 -100.0 1350.0 41 tp4 2099.7 -1055.6 85 seg41 -200.0 1350.0 42 tp5 2133.0 -1012.8 86 seg42 -300.0 1350.0 43 tp6 2099.7 -970.0 87 seg43 -400.0 1350.0 44 seg0 2113.0 -900.0 88 seg44 -500.0 1350.0 rai o technology inc. 3/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra8860 pad no. pad name x-axis y-axis pad no. pad name x-axis y-axis 89 seg45 -600.0 1350.0 108 seg64 -2113.0 500.0 90 seg46 -700.0 1350.0 109 seg65 -2113.0 400.0 91 seg47 -800.0 1350.0 110 seg66 -2113.0 300.0 92 seg48 -900.0 1350.0 111 seg67 -2113.0 200.0 93 seg49 -1000.0 1350.0 112 seg68 -2113.0 100.0 94 seg50 -1100.0 1350.0 113 seg69 -2113.0 0.0 95 seg51 -1200.0 1350.0 114 seg70 -2113.0 -100.0 96 seg52 -1300.0 1350.0 115 seg71 -2113.0 -200.0 97 seg53 -1400.0 1350.0 116 seg72 -2113.0 -300.0 98 seg54 -1510.0 1350.0 117 seg73 -2113.0 -400.0 99 seg55 -1635.0 1350.0 118 seg74 -2113.0 -500.0 100 seg56 -1785.0 1350.0 119 seg75 -2113.0 -600.0 101 seg57 -2113.0 1285.0 120 seg76 -2113.0 -700.0 102 seg58 -2113.0 1135.0 121 seg77 -2113.0 -800.0 103 seg59 -2113.0 1010.0 122 seg78 -2113.0 -900.0 104 seg60 -2113.0 900.0 123 seg79 -2113.0 -1010.0 105 seg61 -2113.0 800.0 124 com0 -2113.0 -1135.0 106 seg62 -2113.0 700.0 125 com1 -2113.0 -1285.0 107 seg63 -2113.0 600.0 5. pin diagram 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 43 42 41 40 39 38 37 tp6 tp5 tp4 tp3 tp2 tp1 tp0 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 812 81 80 79 78 77 76 75 74 73 72 71 70 69 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 ra8860 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0 seg21 seg20 seg19 65 64 63 123 124 125 1 2 3 100 99 98 gndp vddp sa2 sa1 sa0 ms scl /cs sda_sdo rs_sdi if_sel1 if_sel0 sync clk_out cl clk_sel /rst vdd gnd gndp agnd avdd c2n c2p c1p c1n c3p vout vr v0 led-r led-g led-b vcm_in vcm vref 34 35 36 seg53 seg52 seg51 seg50 seg49 seg48 seg47 seg46 seg45 seg44 seg43 seg42 seg41 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg56 seg55 seg54 seg24 seg23 seg22 68 67 66 seg60 seg61 seg62 seg63 seg64 seg65 seg66 seg67 seg68 seg69 seg70 seg71 seg72 seg73 seg74 seg75 seg76 seg77 seg78 seg79 com0 com1 seg57 seg58 seg59 101 102 103 pad window: 70um x 70um pad pt.: 100um (min.) chip size: 4346um x 2820um 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 43 42 41 40 39 38 37 tp6 tp5 tp4 tp3 tp2 tp1 tp0 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 812 81 80 79 78 77 76 75 74 73 72 71 70 69 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 ra8860 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0 seg21 seg20 seg19 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0 seg21 seg20 seg19 65 64 63 123 124 125 1 2 3 100 99 98 gndp vddp sa2 sa1 sa0 ms scl /cs sda_sdo rs_sdi if_sel1 if_sel0 sync clk_out cl clk_sel /rst vdd gnd gndp agnd avdd c2n c2p c1p c1n c3p vout vr v0 led-r led-g led-b vcm_in vcm vref gndp vddp sa2 sa1 sa0 ms scl /cs sda_sdo rs_sdi if_sel1 if_sel0 sync clk_out cl clk_sel /rst vdd gnd gndp agnd avdd c2n c2p c1p c1n c3p vout vr v0 led-r led-g led-b vcm_in vcm vref 34 35 36 seg53 seg52 seg51 seg50 seg49 seg48 seg47 seg46 seg45 seg44 seg43 seg42 seg41 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg56 seg55 seg54 seg24 seg23 seg22 seg53 seg52 seg51 seg50 seg49 seg48 seg47 seg46 seg45 seg44 seg43 seg42 seg41 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg56 seg55 seg54 seg24 seg23 seg22 68 67 66 seg60 seg61 seg62 seg63 seg64 seg65 seg66 seg67 seg68 seg69 seg70 seg71 seg72 seg73 seg74 seg75 seg76 seg77 seg78 seg79 com0 com1 seg57 seg58 seg59 seg60 seg61 seg62 seg63 seg64 seg65 seg66 seg67 seg68 seg69 seg70 seg71 seg72 seg73 seg74 seg75 seg76 seg77 seg78 seg79 com0 com1 seg57 seg58 seg59 101 102 103 pad window: 70um x 70um pad pt.: 100um (min.) chip size: 4346um x 2820um rai o technology inc. 4/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra8860 6. block diagram 5 10 15 20 25 35 40 45 50 55 65 70 75 80 85 100 105 110 120 115 raio tm RA8860L4N 10xx date code (year 2010, xxth week) 30 60 90 95 125 led-r led-g led-b gndp vddp sa2 sa1 sa0 ms scl /cs sda_sdo rs_sdi if_sel1 if_sel0 sync clk_out cl clk_sel /rst vdd gnd gndp agnd avdd c2n c2p c1p c1n c3p vout vr seg22 seg21 seg20 seg19 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0 nc nc nc nc nc vref vcm vcm_in v0 seg54 seg53 seg52 seg51 seg50 seg49 seg48 seg47 seg46 seg45 seg44 seg43 seg42 seg41 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 seg23 nc nc seg55 seg56 seg57 seg58 seg59 seg60 seg61 seg62 seg63 seg64 seg65 seg66 seg67 seg68 seg69 seg70 seg71 seg72 seg73 seg74 seg75 seg76 seg77 seg78 seg79 com0 com1 nc nc nc pin #1. 7. application circuit lcd panel (80*2 dots max.) vdd mcu 100k ra8860 seg[79:0] com1 com0 led-r led-g led-b vddp avdd vdd cl ms sa2 if_sel1 if_sel0 sa1 sa0 /cs rs_sdi clk_sel gndp agnd gnd scl sda_sdo /rst c1p c1n c2p c2n c3p vout v0 vcm_in vcm r b led-r led-g led-b led-r led-g led-b io2 io1 io0 1uf 1uf 1uf 1uf vdd vdd-led 0.1uf 100k 100k r g r r 1uf 1uf 1uf 1uf 1uf 1uf rai o technology inc. 5/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra8860 8. pin description pin name i/o description lcd driver outputs seg[79:0] o lcd segment driver outputs. com[1:0] o lcd comm on driver outputs. led driver outputs led-r o red led pulse signal output. led-g o green led pulse signal output. led-b o blue led pulse signal output. mcu interface /rst i reset pin. if_sel[1:0] i serial mcu interface select. 00 : i 2 c. 01 : 3-wires spi. 10 : 4-wires spi type-a. 11 : 4-wires spi type-b. scl, /cs i sda_sdo i/o rs_sdi i serial data interface. in serial mode, all of the related signals are defined as below: scl : serial clock. sda : bi-direction serial data. sdo : serial data out. rs : memory/register cycle select. sdi : serial data in. clk_sel i clock select. 0 : clock source is from internal rc oscillator. 1 : clock source is from external pin ? ?cl?. cl i external clock input. when clk_sel=1 or slave mode, this pin is used as external clock input. if not used, please connect to vddp or gnd. ms i master / slave mode select. 0 : slave mode 1 : master mode sa[2:0] i device address select of i 2 c interface. if not used, please connect to vddp or gnd. sync i/o synchronous pin for multi-chips using. when ms=1, this pin is output. when ms=0, this pin is input. clk_out o system clock output. power supply vdd, gnd p core power. avdd, agnd p analog power for lcd. vddp, gndp p i/o power. c[3:1]p c[2:1]n o external capacitor pins for boost circuit. vout p boost power output. vref p reference voltage for v0. vr i for using of external r2/r1. v0 vcm_in vcm p lcd driver voltage. tp[6:0] i test pins. these pins must keep nc in normal mode. rai o technology inc. 6/7 www.raio.com.tw
version 1.1 80x2 dots 16-color lcd driver ra o technology inc. 7/7 www.raio.com.tw ra8860 i 9. color table 8-colors table (normally black) 8-colors table (normally white) data color 000 white 001 yellow 010 pink 011 red 100 cyan 101 green 110 blue 111 black data color 111 white 110 yellow 101 pink 100 red 011 cyan 010 green 001 blue 000 black 16-colors table (normally white) data color data color 0000 white 1000 maroon 0001 yellow 1001 aqua 0010 pink 1010 lime green 0011 red 1011 teal 0100 purplish red 1100 green 0101 light green 1101 blue 0110 orange 1110 navy blue 0111 purple 1111 black
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