Transcript ILI9481

ILI9481
a-Si TFT LCD Single Chip Driver with
320RGBx480 Resolution and 262K color
Application Notes
Version: Preliminary V0.9
Date:
Oct. ,12th, 2009
ILI TECHNOLOGY CORP.
8F., No.38, Taiyuan St., Jhubei City, Hsinchu County 302, Taiwan (R.O.C.)
Tel.886-3-5600099; Fax.886-3-5600055
http://www.ilitek.com
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
1.1 CPT 2.9 INCH PANEL ..........................................................................................................................................................3
1.2 CPT 2.9 INCH INITIAL CODE.............................................................................................................................................4
}2.1 PVI 3.5 INCH PANEL .........................................................................................................................................................6
2.1 PVI 3.5 INCH PANEL ...........................................................................................................................................................7
2.2 PVI 3.5 INCH INITIAL CODE .............................................................................................................................................8
3.1 AUO 3.17 INCH PANEL .....................................................................................................................................................10
3.2. AUO 3.17 INCH INITIAL CODE ......................................................................................................................................11
4.1 CMO 3.2 INCH PANEL ......................................................................................................................................................13
4.2. CMO 3.2 INCH INITIAL CODE........................................................................................................................................14
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 prior written permission of ILI Technology Corp.
Page 2 of 16
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IM0
IM1
IM2
nRESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
SDA
nRD
nWR
D/CX
nCS
GND
IOVCC
GND
VCI
1
1
1UF
1UF
C6
C7
1UF
1UF
1UF
C12
C13
C14
1
HSC226
1UF/25V
D1
1UF/25V
C11
2
C10
1UF
1UF
C5
1UF
1UF
C4
C9
1UF
C3
C8
1UF
C2
VCI
1UF
C1
TP
IOVCC
IM0
IM1
IM2
nRESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
SDA
nRD
nWR
D/CX
nCS
TE
VCOM 1
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VCOM
VGL
VGL
VCOM
VPG
VPG
DGND
DGND
TESTO16
TESTO15
TESTO14
TESTO13
TESTO12
TESTO11
TESTO10
TESTO9
TESTO8
TESTO7
TESTO6
TESTO5
TESTO4
TESTO3
TESTO2
TESTO1
TS5
TS4
TS3
TS2
TS1
TS0
SD
CM
IM0/ID
IM1
IM2
RESX
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DOUT
DIN/SDA
RDX
WRX/SCL
D/CX
CSX
TE
IOVCC
IOVCC
VDD
VDD
VDD
AGND
AGND
AGND
AGND
VGS
AGND
AGND
AGND
AGND
VCOM
VCOM
VCOM
VCOM
VCOMH
VCOMH
VCOMH
VCOML
VCOML
VCOML
VREG1OUT
VREG1OUT
VCL
VCL
VCL
DDVDH
DDVDH
DDVDH
VCI1
VCI1
VCI1
VCI
VCI
VCI
VCI
VCI
VCI
C11B
C11B
C11B
C11B
C11A
C11A
C11A
C11A
C12B
C12B
C12B
C12A
C12A
C12A
VGL
VGL
VGL
AGND
VGH
VGH
VGH
C13B
C13B
C13A
C13A
C21B
C21B
C21B
C21A
C21A
C21A
C22B
C22B
C22B
C22A
C22A
C22A
VCOM
VGL
VGL
VCOM
CPT
Glass
GND
VPG
VGL
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
1.1 CPT 2.9 Inch Panel
J3
TP
J2
J1
Connector 36
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 prior written permission of ILI Technology Corp.
Page 3 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
1.2 CPT 2.9 Inch Initial Code
Void ILI9481_CPT_Initial_Code(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(100); // Delay 100 ms
//************* Start Initial Sequence **********//
LCD_ILI9481_CMD(0x11);
Delayms(20);
LCD_ILI9481_CMD(0xD0);
LCD_ILI9481_INDEX(0x07);
LCD_ILI9481_INDEX(0x42);
LCD_ILI9481_INDEX(0x1C);
LCD_ILI9481_CMD(0xD1);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x0F);
LCD_ILI9481_CMD(0xD2);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xC0);
LCD_ILI9481_INDEX(0x10);
LCD_ILI9481_INDEX(0x35);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xC5);
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 prior written permission of ILI Technology Corp.
Page 4 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
LCD_ILI9481_INDEX(0x03);
LCD_ILI9481_CMD(0xC8);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x30);
LCD_ILI9481_INDEX(0x36);
LCD_ILI9481_INDEX(0x45);
LCD_ILI9481_INDEX(0x04);
LCD_ILI9481_INDEX(0x16);
LCD_ILI9481_INDEX(0x37);
LCD_ILI9481_INDEX(0x75);
LCD_ILI9481_INDEX(0x77);
LCD_ILI9481_INDEX(0x54);
LCD_ILI9481_INDEX(0x0F);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_CMD(0xE4);
LCD_ILI9481_INDEX(0xA0);;
LCD_ILI9481_CMD(0xF0);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_CMD(0xF3);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x1A)
;
LCD_ILI9481_CMD(0x36);
LCD_ILI9481_INDEX(0x0A);
LCD_ILI9481_CMD(0x2A);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0x3F);
LCD_ILI9481_CMD(0x2B);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0xAD);
Delayms(120);
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 prior written permission of ILI Technology Corp.
Page 5 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
LCD_ILI9481_CMD(0x29);
}
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 prior written permission of ILI Technology Corp.
Page 6 of 16
LED+ LED+
J8
J9
LED-
J10
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1
GND
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5
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3
2
1
8~10V
GND
VCI
IOVCC
GND
RESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
DIN/SDA
RD
WR/SCL
RS
CS
GND
2
R6
C22-
C21-
C13-
C11-
C12-
1UF
1UF
1UF
C15
C16
C17
2
1UF
C14
C9
C8
C7
C6
1UF
1UF
1UF
1UF
VCOML
VCOMH
VDD
IOVCC
1
1
VDD1
1
1
1
VCOML1
1
VCOMH1
1
1
C22+
C21+
C13+
VGH
VGL
C11+
C12+
1
VCL1
1
1
1
1
VGH1
1
VGL1
VCI1
1
DDVDH1
1
1
1
1 IOVCC
VREG1OUT1
VCI
VCI1
DDVDH
VCL
VREG1OUT
HSC226
1
1UF
C5
D1
1UF
1UF
1UF
C4
C3
C2
1UF
1UF
C12
C13
1UF
1UF
C11
C1
0
GND
IM2
1 IOVCC
IM1
1 IOVCC
IM0/ID
R3
GND
3
3
2
GND
LED+
LEDVPG
0
1
J7
0
1
R5
R2
1
1 IOVCC
3
2
1
3
2
CM
1 IOVCC
0
1
1
SD
R1
1
1
3
2
LED-
LED+
1
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J6
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J5
1
J4
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J3
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J2
1
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VCOM
C22+
C22-
C21+
C21-
C13+
C13-
VGH
GND
VGL
C12+
C12-
C11+
C11-
VCI
VCI1
DDVDH
VCL
VREG1OUT
VCOML
VCOMH
VCOM
GND
VDD
IOVCC
SD
CM
IM0/ID
IM1
IM2
RESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
DIN/SDA
RD
WR/SCL
RS
CS
TE
GND
VPG
VCOM
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VCOM
VCOM
VCOM
VCOM
VPG
VPG
DGND
DGND
TESTO16
TESTO15
TESTO14
TESTO13
TESTO12
TESTO11
TESTO10
TESTO9
TESTO8
TESTO7
TESTO6
TESTO5
TESTO4
TESTO3
TESTO2
TESTO1
TEST5
TEST4
TEST3
TEST2
TEST1
TEST0
SD
CM
IM0/ID
IM1
IM2
RESX
VSYNC
HSYNC
DOTCLK
ENABLE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DOUT
DIN/SDA
NRD
WR/SCL
D/CX
CS
TE
IOVCC
IOVCC
VDD
VDD
AGND
AGND
VGS
VGS
AGND
AGND
VCOM
VCOM
VCOM
VCOMH
VCOMH
VCOMH
VCOML
VCOML
VCOML
VRE1OUT
VRE2OUT
VRE3OUT
VRE4OUT
VCL
VCL
VCL
VCL
DDVDH
DDVDH
DDVDH
DDVDH
VCI1
VCI1
VCI1
VCI1
VCI
VCI
VCI
VCI
C11B
C11B
C11B
C11B
C11A
C11A
C11A
C11A
C12B
C12B
C12B
C12B
C12A
C12A
C12A
C12A
VGL
VGL
VGL
VGL
AGND
AGND
AGND
AGND
VGH
VGH
VGH
VGH
C13B
C13B
C13B
C13B
C13A
C13A
C13A
C13A
C21B
C21B
C21B
C21B
C21A
C21A
C21A
C21A
C22B
C22B
C22B
C22B
C22A
C22A
C22A
C22A
VCOM
VCOM
VCOM
VCOM
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
2.1 PVI 3.5 Inch Panel
J1
TE1
VCOM1
0
LED-
J11
J12
Connector 60
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 prior written permission of ILI Technology Corp.
Page 7 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
2.2 PVI 3.5 Inch Initial Code
Void ILI9481_CPT_Initial_Code(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(100); // Delay 100 ms
//************* Start Initial Sequence **********//
LCD_ILI9481_CMD(0x11);
Delayms(20);
LCD_ILI9481_CMD(0xD0);
LCD_ILI9481_INDEX(0x07);
LCD_ILI9481_INDEX(0x41);
LCD_ILI9481_INDEX(0x1D);
LCD_ILI9481_CMD(0xD1);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x2B);
LCD_ILI9481_INDEX(0x1F);
LCD_ILI9481_CMD(0xD2);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xC0);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x3B);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x11);
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 prior written permission of ILI Technology Corp.
Page 8 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
LCD_ILI9481_CMD(0xC5);
LCD_ILI9481_INDEX(0x03);
LCD_ILI9481_CMD(0xC8);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x14);
LCD_ILI9481_INDEX(0x33);
LCD_ILI9481_INDEX(0x10);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x16);
LCD_ILI9481_INDEX(0x44);
LCD_ILI9481_INDEX(0x36);
LCD_ILI9481_INDEX(0x77);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x0f);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_CMD(0xE4);
LCD_ILI9481_INDEX(0xA0);;
LCD_ILI9481_CMD(0xF0);
LCD_ILI9481_INDEX(0x01);;
LCD_ILI9481_CMD(0xF3);
LCD_ILI9481_INDEX(0x40);
LCD_ILI9481_INDEX(0x0A);
LCD_ILI9481_CMD(0x36);
LCD_ILI9481_INDEX(0x0A);
Delayms(120);
LCD_ILI9481_CMD(0x29);
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 prior written permission of ILI Technology Corp.
Page 9 of 16
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2
1
2
R2
0
2
R3
2
VCOM
1UF/6.3V
1UF/6.3V
C5
C6
C7
C9
1UF/10V
1UF/6.3V
1UF/6.3V
1UF/6.3V
C12
C13
C14
HSC226
1UF/25V
1
1UF/25V
C11
C10
1
1
1
1UF/10V
1UF/6.3V
C4
C8
1UF/6.3V
1UF/6.3V
C3
1UF/6.3V
1UF/6.3V
1
1
C2
C1
TE1
D1
1 IOVCC
1 IOVCC
LEDPWM
VCI
0
IM2
LEDON
IOVCC
GND
RESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
DIN/SDA
RD
WR/SCL
RS
CS
R1
VCOM GLASS
2
3
1 IOVCC
1
VPG
IM1
1
VCOM GLASS
VCI
VCOMH
VCOM
GND
IOVCC
IM0/ID
IM1
IM2
RESET
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB09
DB08
DB07
DB06
DB05
DB04
DB03
DB02
DB01
DB00
DOUT
DIN/SDA
RD
WR/SCL
RS
CS
TE
GND
CABC_ON
CABC_PWM
VPG
1
2
3
4
5
6
7
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9
10
11
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23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
DUMMY
DUMMY
VCOM GLASS
VCOM GLASS
VCOM GLASS
VPG
VPG
DGND
TESTO16(LEDON)
TESTO15(LEDPWM)
TESTO14
TESTO13
TESTO12
TESTO11
TESTO10
TESTO9
TESTO8
TESTO7
TESTO6
TESTO5
TESTO4
TESTO3
TESTO2
TESTO1
TS5
TS4
TS3
TS2
TS1
TS0
SD
CM
IM0/ID
IM1
IM2
RESX
VSYNC
HSYNC
PCLK
DE
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DOUT
DIN/SDA
RDX
WRX/SCL
D/CX
CSX
TE
IOVCC
IOVCC
IOVCC
VDD
VDD
VDD
VDD
AGND
AGND
AGND
VGS
AGND
AGND
AGND
AGND
VCOM
VCOM
VCOM
VCOM
VCOM
VCOMH
VCOMH
VCOMH
VCOML
VCOML
VCOML
VREG1OUT
VREG1OUT
VCL
VCL
VCL
DDVDH
DDVDH
DDVDH
VCI1
VCI1
VCI1
VCI1
VCI
VCI
VCI
VCI
VCI
VCI
C11B
C11B
C11B
C11B
C11A
C11A
C11A
C11A
C12B
C12B
C12B
C12B
C12A
C12A
C12A
C12A
VGL
VGL
VGL
VGL
VGL
AGND
AGND
VGH
VGH
VGH
VGH
C13B
C13B
C13B
C13B
C13A
C13A
C13A
C13A
C21B
C21B
C21B
C21B
C21B
C21B
C21A
C21A
C21A
C21A
C21A
C21A
C22B
C22B
C22B
C22B
C22B
C22B
C22A
C22A
C22A
C22A
C22A
C22A
CONTACT1
CONTACT2
VCOM GLASS
VCOM GLASS
VCOM GLASS
DUMMY
DUMMY
DUMMY
J1
3
3
IM0/ID
1
VCOM GLASS
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
3.1 AUO 3.17 Inch Panel
AUO Glass
0
R4
R
J12
Connector 36
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 prior written permission of ILI Technology Corp.
Page 10 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
3.2. AUO 3.17 Inch Initial Code
Void ILI9481_AUO_Initial_Code(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(100); // Delay 100 ms
//************* Start Initial Sequence **********//
LCD_ILI9481_CMD(0x11);
Delayms(20);
LCD_ILI9481_CMD(0xD0);
LCD_ILI9481_INDEX(0x07);
LCD_ILI9481_INDEX(0x40);
LCD_ILI9481_INDEX(0x1D);
LCD_ILI9481_CMD(0xD1);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x18);
LCD_ILI9481_INDEX(0x13);
LCD_ILI9481_CMD(0xD2);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xC0);
LCD_ILI9481_INDEX(0x10);
LCD_ILI9481_INDEX(0x3B);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x11);
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 prior written permission of ILI Technology Corp.
Page 11 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
LCD_ILI9481_CMD(0xC5);
LCD_ILI9481_INDEX(0x03);
LCD_ILI9481_CMD(0xC8);
LCD_ILI9481_INDEX(0X);
LCD_ILI9481_INDEX(0x44);
LCD_ILI9481_INDEX(0x06);
LCD_ILI9481_INDEX(0x44);
LCD_ILI9481_INDEX(0x0A);
LCD_ILI9481_INDEX(0x08);
LCD_ILI9481_INDEX(0x17);
LCD_ILI9481_INDEX(0x33);
LCD_ILI9481_INDEX(0x77);
LCD_ILI9481_INDEX(0x44);
LCD_ILI9481_INDEX(0x08);
LCD_ILI9481_INDEX(0x0c);
LCD_ILI9481_CMD(0xE4);
LCD_ILI9481_INDEX(0xA0);;
LCD_ILI9481_CMD(0xF0);
LCD_ILI9481_INDEX(0x01);;
LCD_ILI9481_CMD(0x36);
LCD_ILI9481_INDEX(0x0A);
Delayms(120);
LCD_ILI9481_CMD(0x29);
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 prior written permission of ILI Technology Corp.
Page 12 of 16
1UF/10V
1UF/10V
1UF/10V
1UF/10V
1UF/10V
1UF/10V
C9
C10
C11
C12
C14
C13
VCI1
VCL
DDVDH
VREG1
VCOML
VCOML
VCOMH
1UF/10V
C8
C11A
C12A
C13A
C22A
C21A
C22B
1UF/10V
C13B
1UF/10V
C12B
1UF/10V
C11B
1UF/10V
VGH
1UF/25V
VGL
1UF/25V
C2
C3
C4
C5
C6
C7
VGL
C21B
1UF/10V
C1
D1
DIODE SCHOTTKY
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
GND
RESETB
ENABLE
CSB
GND
SDI
SCL
GND
DOTCLK
GND
VSYNC
HSY NC
GND
VCI
VDD
GND
B7
B6
B5
B4
B3
B2
B1
B0
LCD_ID
IOVCC
IOVCC
IOVCC
IOVCC
G0
G1
G2
G3
G4
G5
G6
G7
GND
R0
R1
R2
R3
R4
R5
R6
R7
GND
LED+
LED5LED4LED3LED1LED1GND
VCOM
VPG
DBB0
DBB1
DBB2
DBB3
DBB4
DBB5
DBG0
DBG1
DBG2
DBG3
DBG4
DBG5
DBR0
DBR1
DBR2
DBR3
DBR4
DBR5
DE
DCLK
HSYNC
VSYNC
RESET
SDI
SCL
CS
VDD
VCOM
VCOMH
VCOML
VREG1
VCL
DDVDH
VCI1
VCI
C11B
C11A
C12B
C12A
VGL
VGH
C13B
C13A
C21B
C21A
C22B
C22A
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
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
VCOM
VCOM
VCOM
C22A
C22A
C22A
C22A
C22B
C22B
C22B
C22B
C21A
C21A
C21A
C21A
C21B
C21B
C21B
C21B
C13A
C13A
C13A
C13B
C13B
C13B
VGH
VGH
VGH
VGH
AGND
AGND
AGND
VGL
VGL
VGL
VGL
C12A
C12A
C12A
C12A
C12B
C12B
C12B
C12B
C11A
C11A
C11A
C11A
C11B
C11B
C11B
C11B
VCI
VCI
VCI
VCI1
VCI1
DDVDH
DDVDH
VCL
VCL
VREG1OUT
VREG1OUT
VCOML
VCOML
VCOMH
VCOMH
VCOM
VCOM
VCOM
AGND
AGND
AGND
VGS
AGND
AGND
AGND
VDD
VDD
IOVCC
IOVCC
TE
CSX
D/CX
WRX/SCL
RDX
DIN/SDA
DOUT
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB16
DB17
DE
PCLK
HSYNC
VSYNC
RESX
IM2
IM1
IM0/ID
CM
SD
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DGND
DGND
VPG
VPG
VCOM
VCOM
VCOM
ILI9481
VCOM
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
4.1 CMO 3.5 Inch Panel
J1
ILI9481_CMO GLASS
J6
25
47
45
43
41
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
Connector 56
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 prior written permission of ILI Technology Corp.
Page 13 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
4.2. CMO 3.5 Inch Initial Code
LCD_ILI9481_CMD_INDEX(0x01);
DelayX1ms(120);
LCD_ILI9481_CMD_INDEX(0x11);
DelayX1ms(120);
//Power Setting
LCD_ILI9481_CMD_INDEX(0XD0);
LCD_ILI9481_CMD_PAs(0X07);
LCD_ILI9481_CMD_PAs(0X41);
LCD_ILI9481_CMD_PAs(0X1D);
DelayX1ms(20);
//Vcom Setting
LCD_ILI9481_CMD_INDEX(0XD1);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0X1C);//18
LCD_ILI9481_CMD_PAs(0X1F);
//Power Setting for normal mode
LCD_ILI9481_CMD_INDEX(0XD2);
LCD_ILI9481_CMD_PAs(0X01);
LCD_ILI9481_CMD_PAs(0X11);
LCD_ILI9481_CMD_INDEX(0xC0); //Panel Driving Setting
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0x3B);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0x02);
LCD_ILI9481_CMD_PAs(0x11);
LCD_ILI9481_CMD_INDEX(0xC6);
LCD_ILI9481_CMD_PAs(0x83);
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 prior written permission of ILI Technology Corp.
Page 14 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
LCD_ILI9481_CMD_INDEX(0XC8);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0X26);
LCD_ILI9481_CMD_PAs(0X21);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0X1F);
LCD_ILI9481_CMD_PAs(0X65);
LCD_ILI9481_CMD_PAs(0X23);
LCD_ILI9481_CMD_PAs(0X77);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_PAs(0X0F);
LCD_ILI9481_CMD_PAs(0X00);
LCD_ILI9481_CMD_INDEX(0xF0);
LCD_ILI9481_CMD_PAs(0x01);
//LCD_ILI9481_CMD_INDEX(0xE4);
//LCD_ILI9481_CMD_PAs(0xA0);
LCD_ILI9481_CMD_INDEX(0x36);
LCD_ILI9481_CMD_PAs(0x48);//0x08 _BGR,0X _RGB
//Set display on
LCD_ILI9481_CMD_INDEX(0x29);
LCD_ILI9481_CMD_INDEX(0xB4);
LCD_ILI9481_CMD_PAs(0x11);
LCD_ILI9481_CMD_INDEX(0x2C);
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 prior written permission of ILI Technology Corp.
Page 15 of 16
a-Si TFT LCD Single Chip Driver
320RGBx480 Resolution and 262K color
ILI9481
Revision History
Revision History
Version No.
Date
Page
Description
V0.1
2008/05/30
New
V0.2
2008/06/06
Modify PVI initial code
V0.3
2008/06/12
1.Increase delay time between reset and register setting
2.Modify type error in PVI RF7h register setting
V0.4
2008/07/07
1. Modify register setting let Vreg1out reference 2.5V
2. Modify type error from INDEX(0x29h) to CMD(0X29)
V0.5
2008/08/04
1. Add D2 register
V0.6
2008/09/30
1.Modify RC0h 、Modify RF0h and RF6h and RF7 register setting
V0.7
2008/10/31
Add AUO panel FPC and initial code
Add RE4 register
V0.8
2009/08/10
Remove R07 register setting
V0.9
2009/10/12
Add CMO initial code and panel schematic
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 prior written permission of ILI Technology Corp.
Page 16 of 16