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ILI9225 a-si tft lcd single chip driver with 176rgbx220 resolution and 262k color application notes version: preliminary v0.6 date: may, 6 th , 2008 ili technology corp. 4f, no. 2, tech. 5 th rd., hsinchu science park, taiwan 300, r.o.c. tel.886-3-5670095; fax.886-3-5670096 http://www.ilitek.c
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 2 of 15 v0.3 application fpc circuit 1.1. cpt2.0?panel c1 1uf/25v c11 1uf/6.3v db6 im0 rd gnd c7 1uf/6.3v r4 0 1 3 2 db12 db7 im1 cs c14 1uf/6.3v sdi reset im0 db17 c5 1uf/6.3v c2 1uf/25v db10 db8 im2 db9 r1 0 1 3 2 reset db15 r2 0 1 3 2 enable c12 1uf/6.3v db16 db0 dotclk db9 im3 rd vcc3x im3 sdi db14 hsync db10 db0 db7 im1 db3 vsync db11 db1 vcc3x db4 cs db12 db2 db1 iovcc led- db5 rs db13 db3 enable gnd led+ vgl db14 db4 c4 1uf/10v vcc3x c8 1uf/6.3v hsync db15 db5 db2 vci rs vcc3x db11 d2 hsc226 1 2 gnd db16 vci db6 j6 connector 36 1 2 3 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 34 35 36 gnd gnd fmark vci nc ncs rs rw_nwr/scl e_nrd sdi sdo d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 enable dotclk hsync vsync nreset led+ led- c6 1uf/6.3v db17 vgl flm c13 1uf/6.3v r3 0 1 3 2 wr wr io v cc db8 vsync sdo c9 1uf/10v im2 db13 vgh c3 1uf/10v sdo gnd dotclk c10 1uf/6.3v j1 ILI9225_cpt 65 113 119 6 22 96 59 72 89 37 38 76 62 86 57 70 87 74 24 12 64 81 49 15 10 108 53 79 82 103 106 51 29 54 20 111 41 43 101 104 45 109 18 28 36 47 73 32 2 116 40 93 4 66 7 120 23 97 114 34 90 91 77 13 5 68 21 95 39 58 71 88 75 11 56 61 85 69 48 78 25 16 3 35 52 60 80 83 99 9 107 50 55 84 112 102 105 118 26 19 100 110 30 46 31 42 117 17 94 63 33 67 8 44 121 1 27 98 115 92 14 db5 vcomr vgl vgh c11p vss db11 im2 avss avdd vci(vdd) m_dbs db8 en_exclk db13 db0 exclk im0 c11m c22p db6 test_moed0_smy reset c21m vgl vref db17 test_moed2_srgb test_mux2_gm vdd(vcc) vdd3_vddi e_rdb c12pm db16 vci1 vcomh vcl rsx vdd(vcc) vdd3_vddi vsync gvdd vss(agnd) c12p(votp) avdd dotclk im1 c31p vgl vcom vci(vdd) vss vcom db4 vgh vgl c11p vgs contact c31m avss avss flm c22m vcom db2 c11p vss vci(vdd) db12 im3 avss sdo vgl db14 db9 test_da_idm db1 enable cl1_extc c11m vss(agnd) vgl avdd rw_wrb db10 test_moed1_smx test_mux1_rcm0 rvdd(vcc) vgl dummy sdi db15 test_mux0_rcm1 vcoml vdd(vcc) vdd3_vddi vcom c11m vci1 rvdd(vcc) gvdd c12pm hsync c31p vcl vcom vss(agnd) vgs db7 c31m db3 vgh csb vcom vcom c12p(votp) rvdd(vcc) contact vss c21p
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 3 of 15 v0.3 1.2 cpt 2.0 inch initial code void ILI9225_cpt24_initial(void) { // vci=2.8v //************* reset lcd driver ****************// lcd_nreset = 1; delayms(1); // delay 1ms lcd_nreset = 0; delayms(10); // delay 10ms // this delay time is necessary lcd_nreset = 1; delayms(50); // delay 50 ms //************* start initial sequence **********// lcd_ctrlwrite_ILI9225(0x0001, 0x011c); // set ss and nl bit lcd_ctrlwrite_ILI9225(0x0002, 0x0100); // set 1 line inversion lcd_ctrlwrite_ILI9225(0x0003, 0x1030); // set gram write direction and bgr=1. lcd_ctrlwrite_ILI9225(0x0008, 0x0808); // set bp and fp lcd_ctrlwrite_ILI9225(0x000c, 0x0000); // rgb interface setting r0ch=0x0110 for rgb 18bit and r0ch=0111for rgb16bit lcd_ctrlwrite_ILI9225(0x000f, 0x0801); // set frame rate lcd_ctrlwrite_ILI9225(0x0020, 0x0000); // set gram address lcd_ctrlwrite_ILI9225(0x0021, 0x0000); // set gram address //*************power on sequence ****************// delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // set sap,dstb,stb lcd_ctrlwrite_ILI9225(0x0011, 0x1038); // set apon,pon,aon,vci1en,vc delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0012, 0x1121); // internal reference voltage= vci; lcd_ctrlwrite_ILI9225(0x0013, 0x0066); // set gvdd lcd_ctrlwrite_ILI9225(0x0014, 0x5f60); // set vcomh/vcoml voltage //------------------------ set gram area --------------------------------// lcd_ctrlwrite_ILI9225 (0x30, 0x0000); lcd_ctrlwrite_ILI9225 (0x31, 0x00db); lcd_ctrlwrite_ILI9225 (0x32, 0x0000); lcd_ctrlwrite_ILI9225 (0x33, 0x0000); lcd_ctrlwrite_ILI9225 (0x34, 0x00db); lcd_ctrlwrite_ILI9225 (0x35, 0x0000); lcd_ctrlwrite_ILI9225 (0x36, 0x00af); lcd_ctrlwrite_ILI9225 (0x37, 0x0000); lcd_ctrlwrite_ILI9225 (0x38, 0x00db); lcd_ctrlwrite_ILI9225 (0x39, 0x0000); // ----------- adjust the gamma curve ----------// lcd_ctrlwrite_ILI9225(0x0050, 0x0400); lcd_ctrlwrite_ILI9225(0x0051, 0x060b); lcd_ctrlwrite_ILI9225(0x0052, 0x0c0a); lcd_ctrlwrite_ILI9225(0x0053, 0x0105); lcd_ctrlwrite_ILI9225(0x0054, 0x0a0c); lcd_ctrlwrite_ILI9225(0x0055, 0x0b06); lcd_ctrlwrite_ILI9225(0x0056, 0x0004); lcd_ctrlwrite_ILI9225(0x0057, 0x0501); lcd_ctrlwrite_ILI9225(0x0058, 0x0e00); lcd_ctrlwrite_ILI9225(0x0059, 0x000e); delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0007, 0x1017); }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 4 of 15 v0.3 void lcd_enter standby_ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0007, 0x0000); // set d1=0, d0=1 delayms(50); lcd_ctrlwrite_ILI9225(0x0011, 0x0007); // // set apon,pon,aon,vci1en,vc delayms(50); lcd_ctrlwrite_ILI9225(0x0010, 0x0a01); // enter standby mode } void lcd_exit standby _ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // exit sleep/ standby mode lcd_ctrlwrite_ILI9225(0x0011, 0x1038); // // set apon,pon,aon,vci1en,vc delayms(50) lcd_ctrlwrite_ILI9225(0x0007, 0x1017); // set d1=0, d0=1 }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 5 of 15 v0.3 2.1 wtk 1.8 2.0 2.2? panel vsync db10 gnd nreset db7 iovcc db7 im0 db9 sdo j1 ILI9225_wintke_glass 65 113 119 6 22 96 58 72 89 37 38 76 62 86 57 70 87 74 24 12 64 81 49 122 15 10 108 53 79 82 103 106 51 29 54 20 111 41 43 101 104 45 109 18 28 36 47 73 32 2 116 40 93 4 66 7 120 23 97 114 34 90 91 77 13 5 68 21 95 39 59 71 88 75 11 56 61 85 69 48 78 25 16 3 35 52 60 80 83 99 9 107 50 55 84 112 102 105 118 26 19 100 110 30 46 31 42 117 17 94 63 33 67 8 44 121 1 27 98 115 92 14 123 124 125 126 127 128 db13 vdd3 vcomr nc vssc avss sdi db6 test_mode0 c12m c12m db2 db16 cl1 reset db8 test_mode2 db4 vci1 nc db14 im1 vcl vcom c22m vgl vdd vsync im3 im0 vss rvdd rs c11p hsync c21m vdd3 c31m avdd vss vgs avdd vdd c21p c11p c12m vci db5 c11m gnd gvddo c31p test_da vcom db12 vgh contact2 vssc avss vref c12p test_mux2 test_mux1 db1 c22p vcom db10 vssc exclk c31p rd db7 test_mode1 db3 vgl enable db17 flm db9 vcl db0 vci1 c22m gnd c12p csb wr im2 sdo avss nc rvdd dummy dotclk m vdd3 vss rvdd vcoml vci1 c21m avss vdd c11m vci c11m c31m vcomh c21p en_exclk db15 c12p db11 vgh avdd contact1 nc c11p avss gvddo test_mux0 c22p vcom fpc test fpc test gnd gnd nc db3 iovcc db10 iovcc hsync db13 db12 db0 db8 sdi db17 enable rs db9 im2 db6 im2 c3 1uf/6.3v c1 1uf/6.3v db16 db4 im1 c6 1uf/10v iovcc db6 db17 r3 0 1 3 2 db1 im3 db5 c9 1uf/6.3v c10 1uf/6.3v rd d2 hsc226 1 2 db12 led+ db1 nreset db14 wr/scl db13 c4 1uf/6.3v c12 1uf/10v rd db14 c13 1uf/25v iovcc enable c5 1uf/6.3v db2 db16 c14 1uf/25v iovcc j6 connector 36 1 2 3 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 34 35 36 gnd gnd fmark vci vcc ncs rs rw_nwr/scl e_nrd sdi sdo d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 enable dotclk hsync vsync nreset led+ led- db11 r2 0 1 3 2 led- db11 db2 sdo dotclk c8 1uf/6.3v dotclk vci r1 0 1 3 2 flm gnd c2 1uf/6.3v db5 c7 1uf/6.3v db3 db8 im0 db0 hsync rs sdi vci db15 db4 vsync gnd im1 c11 1uf/10v gnd ncs db15 im3 ncs wr/scl r4 0 1 3 2
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 6 of 15 v0.3 3.2 wtk 1.8? with tp panel void ILI9225_with tp_initial(void) { // vci=2.8v //************* reset lcd driver ****************// lcd_nreset = 1; delayms(1); // delay 1ms lcd_nreset = 0; delayms(10); // delay 10ms // this delay time is necessary lcd_nreset = 1; delayms(50); // delay 50 ms //************* start initial sequence **********// lcd_ctrlwrite_ILI9225(0x0001, 0x011c); // set ss and nl bit lcd_ctrlwrite_ILI9225(0x0002, 0x0100); // set 1 line inversion lcd_ctrlwrite_ILI9225(0x0003, 0x1030); // set gram write direction and bgr=1. lcd_ctrlwrite_ILI9225(0x0008, 0x0808); // set bp and fp lcd_ctrlwrite_ILI9225(0x000c, 0x0000); // rgb interface setting r0ch=0x0110 for rgb 18bit and r0ch=0111for rgb16bit lcd_ctrlwrite_ILI9225(0x000f, 0x0801); // set frame rate lcd_ctrlwrite_ILI9225(0x0020, 0x0000); // set gram address lcd_ctrlwrite_ILI9225(0x0021, 0x0000); // set gram address //*************power on sequence ****************// delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // set sap,dstb,stb lcd_ctrlwrite_ILI9225(0x0011, 0x1038); // set apon,pon,aon,vci1en,vc delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0012, 0x6121); // internal reference voltage= vci; lcd_ctrlwrite_ILI9225(0x0013, 0x0062); // set gvdd lcd_ctrlwrite_ILI9225(0x0014, 0x5b60); // set vcomh/vcoml voltage //------------------------ set gram area --------------------------------// lcd_ctrlwrite_ILI9225 (0x30, 0x0000); lcd_ctrlwrite_ILI9225 (0x31, 0x00db); lcd_ctrlwrite_ILI9225 (0x32, 0x0000); lcd_ctrlwrite_ILI9225 (0x33, 0x0000); lcd_ctrlwrite_ILI9225 (0x34, 0x00db); lcd_ctrlwrite_ILI9225 (0x35, 0x0000); lcd_ctrlwrite_ILI9225 (0x36, 0x00af); lcd_ctrlwrite_ILI9225 (0x37, 0x0000); lcd_ctrlwrite_ILI9225 (0x38, 0x00db); lcd_ctrlwrite_ILI9225 (0x39, 0x0000); // ----------- adjust the gamma curve ----------// lcd_ctrlwrite_ILI9225(0x0050, 0x0000); lcd_ctrlwrite_ILI9225(0x0051, 0x000b); lcd_ctrlwrite_ILI9225(0x0052, 0x0a01); lcd_ctrlwrite_ILI9225(0x0053, 0x010c); lcd_ctrlwrite_ILI9225(0x0054, 0x010a); lcd_ctrlwrite_ILI9225(0x0055, 0x0b00); lcd_ctrlwrite_ILI9225(0x0056, 0x0000); lcd_ctrlwrite_ILI9225(0x0057, 0x0c01); lcd_ctrlwrite_ILI9225(0x0058, 0x0e00); lcd_ctrlwrite_ILI9225(0x0059, 0x000e); delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0007, 0x1017); }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 7 of 15 v0.3 void lcd_enter standby_ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0007, 0x0000); // set d1=0, d0=1 delayms(50); lcd_ctrlwrite_ILI9225(0x0011, 0x0007); // // set apon,pon,aon,vci1en,vc delayms(50); lcd_ctrlwrite_ILI9225(0x0010, 0x0a01); // // enter standby mode } void lcd_exit standby _ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // exit sleep/ standby mode lcd_ctrlwrite_ILI9225(0x0011, 0x1038); // // set apon,pon,aon,vci1en,vc delayms(50) lcd_ctrlwrite_ILI9225(0x0007, 0x1017); // set d1=0, d0=1 }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 8 of 15 v0.3 3.1 cmo 2.2 inch panel db9 nwr db0 c6 1uf/6.3v vcoml iovcc db16 db17 vcomh c1 1uf/25v db7 c9 1uf/10v c7 1uf/6.3v nwr db17 gvdd c13 1uf/6.3v d2 1 2 18-bit, i-80 interf ace db8 c14 1uf/6.3v c8 1uf/6.3v db4 nrd iovcc 0 db9 rs gnd db6 c12 1uf/6.3v 1 im0 led+ c4 1uf/10v im3 1 iovcc ncs db10 1 gnd 0 im0 db3 db5 db15 9-bit, i-80 interf ace 0 im3 db14 im0 db10 rs db0 vci 16-bit, i-80 interf ace db11 db1 reset db1 db12 conf igured functions db12 db13 ncs db2 c10 1uf/6.3v db13 db11 1 2 3 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 34 35 36 37 38 39 40 c5 1uf/6.3v db3 ddvdh db2 vci reset db14 im3 0 c2 1uf/25v db4 vgl db7 j1 ILI9225_cmo2.2"_glass 65 6 22 59 72 37 38 76 62 57 70 74 24 12 64 81 49 15 10 53 79 82 51 29 54 20 41 43 45 18 28 36 47 73 32 2 40 4 66 7 23 34 77 13 5 68 21 39 58 71 75 11 56 61 85 69 48 78 25 16 3 35 52 60 80 83 9 50 55 84 26 19 30 46 31 42 17 63 33 67 8 44 1 27 14 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 im1 vgl c12m db3 test_mode<1> vsync_vs hsync_hs test_mux<0> db0 db5 cl1_extc test_mux<2> c31p vssd im2 avss db13 vci1 c21m db9 exclk avss db11 ddvdh_avdd db8 c12p reset rdb_nrd db17 c11m ddvdh_avdd csb_ncs db15 test_mode<0> vci vcom enable_de vgh im0 c22p c12m vcl test_da vssd vgl m_regvdd c12p dotclk db4 test_mode<2> test_mux<1> vssd db6 db1 vss flm_te db14 en_exclk c31p c11p vgh rs_dnc db10 db2 avss vss c21p db12 db7 vss c31m c11m vci db16 vci sdi c11p im3 vcl sdo c22m rw_wrb vcom c31m vci1 vgs rvdd rvdd vdd vdd vdd3_iovcc vdd3_iovcc vref gvdd gvdd vcomh vcoml vcomr vcom vcom db15 led- nrd 1 c3 1uf/10v db5 vgh db16 8-bit, i-80 interf ace db8 c11 1uf/6.3v db6 vci1
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 9 of 15 v0.3 3.2 cm0 2.2? panel void ILI9225_cmo22_initial(void) { // vci=2.8v //************* reset lcd driver ****************// lcd_nreset = 1; delayms(1); // delay 1ms lcd_nreset = 0; delayms(10); // delay 10ms // this delay time is necessary lcd_nreset = 1; delayms(50); // delay 50 ms //************* start initial sequence **********// lcd_ctrlwrite_ILI9225(0x0001, 0x011c); // set ss and nl bit lcd_ctrlwrite_ILI9225(0x0002, 0x0100); // set 1 line inversion lcd_ctrlwrite_ILI9225(0x0003, 0x1030); // set gram write direction and bgr=1. lcd_ctrlwrite_ILI9225(0x0008, 0x0808); // set bp and fp lcd_ctrlwrite_ILI9225(0x000c, 0x0000); // rgb interface setting r0ch=0x0110 for rgb 18bit and r0ch=0111for rgb16bit lcd_ctrlwrite_ILI9225(0x000f, 0x0801); // set frame rate lcd_ctrlwrite_ILI9225(0x0020, 0x0000); // set gram address lcd_ctrlwrite_ILI9225(0x0021, 0x0000); // set gram address //*************power on sequence ****************// delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // set sap,dstb,stb lcd_ctrlwrite_ILI9225(0x0011, 0x103b); // set apon,pon,aon,vci1en,vc delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0012, 0x3121); // internal reference voltage= vci; lcd_ctrlwrite_ILI9225(0x0013, 0x0066); // set gvdd lcd_ctrlwrite_ILI9225(0x0014, 0x3660); // set vcomh/vcoml voltage //------------------------ set gram area --------------------------------// lcd_ctrlwrite_ILI9225 (0x30, 0x0000); lcd_ctrlwrite_ILI9225 (0x31, 0x00db); lcd_ctrlwrite_ILI9225 (0x32, 0x0000); lcd_ctrlwrite_ILI9225 (0x33, 0x0000); lcd_ctrlwrite_ILI9225 (0x34, 0x00db); lcd_ctrlwrite_ILI9225 (0x35, 0x0000); lcd_ctrlwrite_ILI9225 (0x36, 0x00af); lcd_ctrlwrite_ILI9225 (0x37, 0x0000); lcd_ctrlwrite_ILI9225 (0x38, 0x00db); lcd_ctrlwrite_ILI9225 (0x39, 0x0000); // ----------- adjust the gamma curve ----------// lcd_ctrlwrite_ILI9225(0x0050, 0x0400); lcd_ctrlwrite_ILI9225(0x0051, 0x080b); lcd_ctrlwrite_ILI9225(0x0052, 0x0e0c); lcd_ctrlwrite_ILI9225(0x0053, 0x0103); lcd_ctrlwrite_ILI9225(0x0054, 0x0c0e); lcd_ctrlwrite_ILI9225(0x0055, 0x0b08); lcd_ctrlwrite_ILI9225(0x0056, 0x0004); lcd_ctrlwrite_ILI9225(0x0057, 0x0301); lcd_ctrlwrite_ILI9225(0x0058, 0x0e00); lcd_ctrlwrite_ILI9225(0x0059, 0x000e); delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0007, 0x1017); }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 10 of 15 v0.3 void lcd_enter standby_ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0007, 0x0000); // set d1=0, d0=1 delayms(50); lcd_ctrlwrite_ILI9225(0x0011, 0x0007); // // set apon,pon,aon,vci1en,vc delayms(50); lcd_ctrlwrite_ILI9225(0x0010, 0x0a01); // // enter standby mode } void lcd_exit standby _ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // exit sleep/ standby mode lcd_ctrlwrite_ILI9225(0x0011, 0x103b); // // set apon,pon,aon,vci1en,vc delayms(50) lcd_ctrlwrite_ILI9225(0x0007, 0x1017); // set d1=0, d0=1 }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 11 of 15 v0.3 4.1 boe- hydis 2.2 inch panel db7 rs c9 1uf/6.3v nreset e_nrd db5 db11 iovcc iovcc enable vsync c8 1uf/6.3v db11 db0 db2 db3 im0 db5 c3 1uf/6.3v r4 0 1 3 2 vcom vss r3 0 1 3 2 db1 vdd db9 db12 c31m gnd ncs rs enable vgh c1 1uf/6.3v iovcc ddvdh db15 iovcc vgl vcom c12p nreset db8 db6 iovcc j1 ILI9225_boe glass 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 dummy no metal vcom vgl gnd gnd vcom contact vcomr vcoml vcomh gvdd vref vdd3 vdd rvdd vgs vss vss avss avss avss exclk en_exclk test_da test_mux<0> test_mux<1> test_mux<2> test_mode<0> test_mode<1> test_mode<2> cl1 flm m sdo im<0> im<1> im<2> im<3> db<0> db<1> db<2> db<3> db<4> db<5> db<6> db<7> db<8> db<9> db<10> db<11> db<12> db<13> db<14> db<15> db<16> db<17> rw_wrb e_rdb sdi resetb enable dotclk hsync vsync csb rs vcl vcl vci vci avdd avdd c31m c31p c12m c12p c11m c11p vci1 vssc c21m c21p c22m c22p vgl vgl vgh vgh vcom vcom vgl gnd vgl vcom no metal dummy iovcc c11p im1 db8 vcom c11 1uf/6.3v c21m vcom db7 c2 1uf/6.3v db17 db14 gnd db14 rw_nwr/scl c22p c22m 2 2 dotclk db6 vsync gnd vcl db10 db16 vgh r2 0 1 3 2 db3 vci1 db1 c10 1uf/6.3v t1 dotclk db13 vgl gnd sdo db12 vcoml c12m hsync vgh im2 vcom d3 hsc226 1 2 c7 1uf/10v vci c5 1uf/6.3v c4 1uf/6.3v vdd c31p db2 db10 r1 0 1 3 2 im3 im2 im0 c13 1uf/10v vgl c11m db9 c15 1uf/25v db0 gnd vcl c21p vgl db4 no metal j6 connector 36 1 2 3 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 34 35 36 gnd gnd fmark vci vcc ncs rs rw_nwr/scl e_nrd sdi sdo d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 enable dotclk hsync vsync nreset led+ led- flm vci im1 flm hsync db13 led+ gnd ncs led- rw_nwr/scl db15 db4 sdi db17 c14 1uf/25v vcomh gnd db16 c12 1uf/10v vgs vgl vreg1out sdi e_nrd vci vgl ddvdh sdo vcom 2 2 im3
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 12 of 15 v0.3 4.2 hydis 2.2?panel void ILI9225_hydis22_initial(void) { // vci=2.8v //************* reset lcd driver ****************// lcd_nreset = 1; delayms(1); // delay 1ms lcd_nreset = 0; delayms(10); // delay 10ms // this delay time is necessary lcd_nreset = 1; delayms(50); // delay 50 ms //************* start initial sequence **********// lcd_ctrlwrite_ILI9225(0x0001, 0x011c); // set ss and nl bit lcd_ctrlwrite_ILI9225(0x0002, 0x0100); // set 1 line inversion lcd_ctrlwrite_ILI9225(0x0003, 0x1030); // set gram write direction and bgr=1. lcd_ctrlwrite_ILI9225(0x0008, 0x0808); // set bp and fp lcd_ctrlwrite_ILI9225(0x000c, 0x0000); // rgb interface setting r0ch=0x0110 for rgb 18bit and r0ch=0111for rgb16bit lcd_ctrlwrite_ILI9225(0x000f, 0x0801); // set frame rate lcd_ctrlwrite_ILI9225(0x0020, 0x0000); // set gram address lcd_ctrlwrite_ILI9225(0x0021, 0x0000); // set gram address //*************power on sequence ****************// delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // set sap,dstb,stb lcd_ctrlwrite_ILI9225(0x0011, 0x103b); // set apon,pon,aon,vci1en,vc delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0012, 0x6121); // internal reference voltage= vci; lcd_ctrlwrite_ILI9225(0x0013, 0x006f); // set gvdd lcd_ctrlwrite_ILI9225(0x0014, 0x495f); // set vcomh/vcoml voltage //------------------------ set gram area --------------------------------// lcd_ctrlwrite_ILI9225 (0x30, 0x0000); lcd_ctrlwrite_ILI9225 (0x31, 0x00db); lcd_ctrlwrite_ILI9225 (0x32, 0x0000); lcd_ctrlwrite_ILI9225 (0x33, 0x0000); lcd_ctrlwrite_ILI9225 (0x34, 0x00db); lcd_ctrlwrite_ILI9225 (0x35, 0x0000); lcd_ctrlwrite_ILI9225 (0x36, 0x00af); lcd_ctrlwrite_ILI9225 (0x37, 0x0000); lcd_ctrlwrite_ILI9225 (0x38, 0x00db); lcd_ctrlwrite_ILI9225 (0x39, 0x0000); // ----------- adjust the gamma curve ----------// lcd_ctrlwrite_ILI9225(0x0050, 0x0000); lcd_ctrlwrite_ILI9225(0x0051, 0x0808); lcd_ctrlwrite_ILI9225(0x0052, 0x080a); lcd_ctrlwrite_ILI9225(0x0053, 0x000a); lcd_ctrlwrite_ILI9225(0x0054, 0x0a08); lcd_ctrlwrite_ILI9225(0x0055, 0x0808); lcd_ctrlwrite_ILI9225(0x0056, 0x0000); lcd_ctrlwrite_ILI9225(0x0057, 0x0a00); lcd_ctrlwrite_ILI9225(0x0058, 0x1007); lcd_ctrlwrite_ILI9225(0x0059, 0x0710); delayms(50); // delay 50ms lcd_ctrlwrite_ILI9225(0x0007, 0x1017); }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 13 of 15 v0.3 void lcd_enter standby_ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0007, 0x0000); // set d1=0, d0=1 delayms(50); lcd_ctrlwrite_ILI9225(0x0011, 0x0007); // // set apon,pon,aon,vci1en,vc delayms(50); lcd_ctrlwrite_ILI9225(0x0010, 0x0a01); // // enter standby mode } void lcd_exit standby _ILI9225(void) { lcd_ctrlwrite_ILI9225(0x0010, 0x0a00); // exit sleep/ standby mode lcd_ctrlwrite_ILI9225(0x0011, 0x103b); // // set apon,pon,aon,vci1en,vc delayms(50) lcd_ctrlwrite_ILI9225(0x0007, 0x1017); // set d1=0, d0=1 }
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 14 of 15 v0.3 1.5 auo 2.2inch panel vci im2 flm dotclk c14 1uf/6.3v r2 0 1 3 2 im3 db15 im2 r1 0 1 3 2 db8 c14 1uf/6.3v hsync iovcc db2 rs sdi c14 1uf/6.3v db15 flm db7 gnd im3 c14 1uf/6.3v gnd hsync iovcc iovcc csb r4 0 1 3 2 rw_wrb c14 1uf/25v db10 resetb db3 vsync db13 db16 resetb db8 sdo im1 iovcc db3 vsync db12 db0 db12 sdi db4 db17 vci db17 db9 im0 db9 db6 im0 db0 c14 1uf/6.3v db16 db13 db5 db1 csb db5 db7 db10 d2 hsc226 1 2 e_rdb rw_wrb led+ db14 iovcc c14 1uf/6.3v enable iovcc c14 1uf/25v c14 1uf/6.3v im1 enable db1 c14 1uf/6.3v c14 1uf/6.3v db11 db14 rs j6 connector 36 1 2 3 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 34 35 36 gnd gnd fmark vci vcc ncs rs rw_nwr/scl e_nrd sdi sdo d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 enable dotclk hsync vsync nreset led+ led- db2 db4 db11 r3 0 1 3 2 led- e_rdb jp1 header 20_26 58 10 4 117 101 27 65 51 34 86 85 47 61 37 66 53 36 49 99 111 59 42 74 1 108 113 15 70 44 41 20 17 72 94 69 103 12 82 80 22 19 78 14 105 95 87 76 50 91 121 7 83 30 119 57 116 3 100 26 9 89 33 32 46 110 118 55 102 28 84 64 52 35 48 112 67 62 38 54 75 45 98 107 120 88 71 63 43 40 24 114 16 73 68 39 11 21 18 5 97 104 23 13 93 77 92 81 6 106 29 60 90 56 115 79 2 122 96 25 8 31 109 db16 vcom vcom fpc r_in c21p rvdd dotclk db9 cl1 c11m c12p db5 e_rdb sdo hsync db11 m db7 c21m vgh db17 db0 vci dummy vgl vcom vcoml vcl db2 im3 vdd3 gvddo vci vci1 rs c22m contact2 c12m c31p vdd3 vref c31m vcomr c22p vssc c11m avdd db8 c11p null fpc r_in c12m vss vcom db15 fpc r_out vcom c21p rvdd vcom c11p avss avss db4 vgh vcom db13 c22m rvdd c12p enable db10 flm db6 vcom vsync sdi im0 db12 avdd db3 c21m vgl vcom c11m vcl resetb db1 im2 vdd vcom vcomh vci csb im1 vcom vdd3 gvddo vcom vssc c22p vdd contact1 vci1 avdd vci1 c31p fpc r_out vgl vgs rw_wrb c11p db14 tg c31m null dummy vssc vdd tg vss vgh sdo dotclk c14 1uf/6.3v db6 c14 1uf/6.3v c14 1uf/10v
a-si tft lcd single chip driver 176rgbx220 resolution and 262k color ILI9225 the information contained herein is the exclusive property of ili technology corp. and shall not be distributed, reproduced, or disclosed in whole or in part without prio r written permission of ili technology corp. page 15 of 15 v0.3 2. revision history revision history version no. date page description v0.1 2008/01/25 new created v0.2 2008/02/20 add boe fpc v0.3 2008/03/07 remove schottky diode form vgh pin v0.4 2008/04/01 add auo 2.2 inch fpc v0.5 2008/04/25 add cpt2.0 cmo2.2 hydis2.2 wkt1.8 panel initial code and modify auo fpc pin define sequence v0.6 2008/05/06 modify cpt fpc circuit

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