ILI9325
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
Datasheet
Preliminary
Version: V0.28
Document No.: ILI9325DS_V0.28.pdf
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.com
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
Table of Contents
Section
ILI9325
Page
1. Introduction.................................................................................................................................................... 7
2. Features ........................................................................................................................................................ 7
3. Block Diagram ............................................................................................................................................... 9
4. Pin Descriptions .......................................................................................................................................... 10
5. Pad Arrangement and Coordination............................................................................................................ 14
6. Block Description ........................................................................................................................................ 21
7. System Interface ......................................................................................................................................... 24
7.1.
7.2.
Interface Specifications .................................................................................................................. 24
Input Interfaces .............................................................................................................................. 25
7.2.1.
7.2.2.
7.2.3.
7.2.4.
7.3.
7.4.
7.5.
i80/18-bit System Interface.................................................................................................. 26
i80/16-bit System Interface.................................................................................................. 27
i80/9-bit System Interface.................................................................................................... 28
i80/8-bit System Interface.................................................................................................... 28
Serial Peripheral Interface (SPI) .................................................................................................... 29
VSYNC Interface............................................................................................................................ 34
RGB Input Interface ....................................................................................................................... 38
7.5.1.
7.5.2.
7.5.3.
7.5.4.
7.5.5.
7.5.6.
RGB Interface...................................................................................................................... 39
RGB Interface Timing .......................................................................................................... 40
Moving Picture Mode........................................................................................................... 42
6-bit RGB Interface.............................................................................................................. 43
16-bit RGB Interface............................................................................................................ 44
18-bit RGB Interface............................................................................................................ 44
7.6.
8.1.
8.2.
Interface Timing.............................................................................................................................. 47
Registers Access............................................................................................................................ 48
Instruction Descriptions.................................................................................................................. 51
8.2.1.
8.2.2.
8.2.3.
8.2.4.
8.2.5.
8.2.6.
8.2.7.
8.2.8.
8.2.9.
Index (IR)............................................................................................................................. 53
Status Read (RS)................................................................................................................. 53
Start Oscillation (R00h)........................................................................................................ 53
Driver Output Control (R01h) .............................................................................................. 53
LCD Driving Wave Control (R02h) ...................................................................................... 55
Entry Mode (R03h) .............................................................................................................. 55
Resizing Control Register (R04h)........................................................................................ 57
Display Control 1 (R07h) ..................................................................................................... 58
Display Control 2 (R08h) ..................................................................................................... 59
8. Register Descriptions .................................................................................................................................. 48
8.2.10. Display Control 3 (R09h) ..................................................................................................... 60
8.2.11. Display Control 4 (R0Ah)..................................................................................................... 61
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 111
Version: 0.28
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9325
8.2.12. RGB Display Interface Control 1 (R0Ch)............................................................................. 62
8.2.13. Frame Marker Position (R0Dh) ........................................................................................... 63
8.2.14. RGB Display Interface Control 2 (R0Fh) ............................................................................. 63
8.2.15. Power Control 1 (R10h)....................................................................................................... 64
8.2.16. Power Control 2 (R11h) ....................................................................................................... 65
8.2.17. Power Control 3 (R12h)....................................................................................................... 66
8.2.18. Power Control 4 (R13h)....................................................................................................... 66
8.2.19. GRAM Horizontal/Vertical Address Set (R20h, R21h) ........................................................ 67
8.2.20. Write Data to GRAM (R22h)................................................................................................ 67
8.2.21. Read Data from GRAM (R22h) ........................................................................................... 68
8.2.22. Power Control 7 (R29h)....................................................................................................... 69
8.2.23. Frame Rate and Color Control (R2Bh)................................................................................ 70
8.2.24. Gamma Control (R30h ~ R3Dh).......................................................................................... 71
8.2.25. Horizontal and Vertical RAM Address Position (R50h, R51h, R52h, R53h) ....................... 71
8.2.26. Gate Scan Control (R60h, R61h, R6Ah) ............................................................................. 72
8.2.27. Partial Image 1 Display Position (R80h).............................................................................. 75
8.2.28. Partial Image 1 RAM Start/End Address (R81h, R82h)....................................................... 75
8.2.29. Partial Image 2 Display Position (R83h).............................................................................. 75
8.2.30. Partial Image 2 RAM Start/End Address (R84h, R85h)....................................................... 75
8.2.31. Panel Interface Control 1 (R90h)......................................................................................... 75
8.2.32. Panel Interface Control 2 (R92h)......................................................................................... 76
8.2.33. Panel Interface Control 4 (R95h)......................................................................................... 76
8.2.34. OTP VCM Programming Control (RA1h) ............................................................................ 77
8.2.35. OTP VCM Status and Enable (RA2h) ................................................................................. 77
8.2.36. OTP Programming ID Key (RA5h) ...................................................................................... 78
9. OTP Programming Flow.............................................................................................................................. 79
10. GRAM Address Map & Read/Write ............................................................................................................. 82
11. Window Address Function........................................................................................................................... 88
12. Gamma Correction...................................................................................................................................... 90
13. Application................................................................................................................................................... 95
13.1. Configuration of Power Supply Circuit ........................................................................................... 95
13.2. Display ON/OFF Sequence ........................................................................................................... 97
13.3. Standby and Sleep Mode ............................................................................................................... 99
13.4. Power Supply Configuration ........................................................................................................ 100
13.5. Voltage Generation ...................................................................................................................... 101
13.6. Applied Voltage to the TFT panel................................................................................................. 102
13.7. Partial Display Function ............................................................................................................... 102
13.8. Resizing Function......................................................................................................................... 103
14. Electrical Characteristics........................................................................................................................... 106
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 111
Version: 0.28
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9325
14.1. Absolute Maximum Ratings ......................................................................................................... 106
14.2. DC Characteristics ....................................................................................................................... 107
14.3. Reset Timing Characteristics ....................................................................................................... 107
14.4. LCD Driver Output Characteristics............................................................................................... 107
14.5. AC Characteristics ....................................................................................................................... 108
14.5.1. i80-System Interface Timing Characteristics ..................................................................... 108
14.5.2. Serial Data Transfer Interface Timing Characteristics....................................................... 108
14.5.3. RGB Interface Timing Characteristics ............................................................................... 109
15. Revision History .........................................................................................................................................111
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 111
Version: 0.28
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
Figures
ILI9325
F
IGURE
1 S
YSTEM
I
NTERFACE AND
RGB I
NTERFACE CONNECTION
.................................................................................... 25
F
IGURE
2 18-
BIT
S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
......................................................................................................... 26
F
IGURE
3 16-
BIT
S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
......................................................................................................... 27
F
IGURE
4 9-
BIT
S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
........................................................................................................... 28
F
IGURE
5 8-
BIT
S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
........................................................................................................... 29
F
IGURE
6 D
ATA
T
RANSFER
S
YNCHRONIZATION IN
8/9-
BIT
S
YSTEM
I
NTERFACE
.................................................................. 29
F
IGURE
7 D
ATA
F
ORMAT OF
SPI I
NTERFACE
..................................................................................................................... 31
F
IGURE
8 D
ATA TRANSMISSION THROUGH SERIAL PERIPHERAL INTERFACE
(SPI) ............................................................... 32
F
IGURE
9 D
ATA TRANSMISSION THROUGH SERIAL PERIPHERAL INTERFACE
(SPI), TRI=”1”
AND
DFM=”10”).................... 33
F
IGURE
10 D
ATA TRANSMISSION THROUGH
VSYNC
INTERFACE
)....................................................................................... 34
F
IGURE
11 M
OVING PICTURE DATA TRANSMISSION THROUGH
VSYNC
INTERFACE
............................................................ 34
F
IGURE
12 O
PERATION THROUGH
VSYNC I
NTERFACE
...................................................................................................... 35
F
IGURE
13 T
RANSITION FLOW BETWEEN
VSYNC
AND INTERNAL CLOCK OPERATION MODES
............................................ 37
F
IGURE
14 RGB I
NTERFACE
D
ATA
F
ORMAT
...................................................................................................................... 38
F
IGURE
15 GRAM A
CCESS
A
REA BY
RGB I
NTERFACE
..................................................................................................... 39
F
IGURE
16 T
IMING
C
HART OF
S
IGNALS IN
18-/16-
BIT
RGB I
NTERFACE
M
ODE
.................................................................. 40
F
IGURE
17 T
IMING CHART OF SIGNALS IN
6-
BIT
RGB
INTERFACE MODE
............................................................................ 41
F
IGURE
18 E
XAMPLE OF UPDATE THE STILL AND MOVING PICTURE
.................................................................................... 42
F
IGURE
19 I
NTERNAL CLOCK OPERATION
/RGB
INTERFACE MODE SWITCHING
................................................................... 45
F
IGURE
20 GRAM
ACCESS BETWEEN SYSTEM INTERFACE AND
RGB
INTERFACE
.............................................................. 46
F
IGURE
21 R
ELATIONSHIP BETWEEN
RGB I/F
SIGNALS AND
LCD D
RIVING
S
IGNALS FOR
P
ANEL
..................................... 47
F
IGURE
22 R
EGISTER
S
ETTING WITH
S
ERIAL
P
ERIPHERAL
I
NTERFACE
(SPI)...................................................................... 48
F
IGURE
23 R
EGISTER SETTING WITH I
80 S
YSTEM
I
NTERFACE
............................................................................................ 49
F
IGURE
24 R
EGISTER
R
EAD
/W
RITE
T
IMING OF I
80 S
YSTEM
I
NTERFACE
........................................................................... 50
F
IGURE
25 GRAM A
CCESS
D
IRECTION
S
ETTING
............................................................................................................... 56
F
IGURE
26 16-
BIT
MPU S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
............................................................................................. 57
F
IGURE
27 8-
BIT
MPU S
YSTEM
I
NTERFACE
D
ATA
F
ORMAT
............................................................................................... 57
F
IGURE
28 D
ATA
R
EAD FROM
GRAM
THROUGH
R
EAD
D
ATA
R
EGISTER IN
18-/16-/9-/8-
BIT
I
NTERFACE
M
ODE
.............. 68
F
IGURE
29 GRAM D
ATA
R
EAD
B
ACK
F
LOW
C
HART
........................................................................................................ 69
F
IGURE
30 GRAM A
CCESS
R
ANGE
C
ONFIGURATION
........................................................................................................ 72
F
IGURE
31 GRAM R
EAD
/W
RITE
T
IMING OF I
80-S
YSTEM
I
NTERFACE
............................................................................... 82
F
IGURE
32
I
80-S
YSTEM
I
NTERFACE WITH
18-/16-/9-
BIT
D
ATA
B
US
(SS=”0”, BGR=”0”) ................................................. 84
F
IGURE
33
I
80-S
YSTEM
I
NTERFACE WITH
8-
BIT
D
ATA
B
US
(SS=”0”, BGR=”0”) .............................................................. 85
F
IGURE
34
I
80-S
YSTEM
I
NTERFACE WITH
18-/9-
BIT
D
ATA
B
US
(SS=”1”, BGR=”1”) ....................................................... 87
F
IGURE
35 GRAM A
CCESS
W
INDOW
M
AP
....................................................................................................................... 88
F
IGURE
36 G
RAYSCALE
V
OLTAGE
G
ENERATION
............................................................................................................... 90
F
IGURE
37 G
RAYSCALE
V
OLTAGE
A
DJUSTMENT
.............................................................................................................. 91
F
IGURE
38 G
AMMA
C
URVE
A
DJUSTMENT
......................................................................................................................... 92
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 111
Version: 0.28
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