ILI9341

Part: ILI9341 — ILI TECHNOLOGY CORP.

Type: a-Si TFT LCD Single Chip Driver

Description: Single-chip 240RGBx320 resolution, 262K-color a-Si TFT LCD driver with integrated display data RAM and support for parallel MCU, serial, and RGB interfaces.

Operating Conditions:

• Operating temperature: -40 to +85 °C

Absolute Maximum Ratings:

• Max supply voltage: 4.6 V (VCI, VDDI); 2.0 V (VCORE); 28.0 V (VGH-VGL)
• Max junction/storage temperature: 110 °C (storage temperature)

Key Specs:

• Display resolution: 240RGB x 320 dots
• Display color support: 262K colors
• Supply voltage range (VCI): -0.3 V to +4.6 V (absolute maximum)
• Logic supply voltage range (VDDI): -0.3 V to +4.6 V (absolute maximum)
• Digital supply voltage range (VCORE): -0.3 V to +2.0 V (absolute maximum)
• Driver supply voltage (VGH - VGL): -0.3 V to +28.0 V (absolute maximum)
• Logic input voltage range: -0.3 V to VDDI + 0.3 V (absolute maximum)
• Logic output voltage range: -0.3 V to VDDI + 0.3 V (absolute maximum)

Features:

• 240RGBx320 resolution with support for up to 262K colors
• Integrated Display Data RAM (DDRAM)
• 8080-series 8-/9-/16-/18-bit parallel MCU interfaces
• 3-line and 4-line serial interfaces
• 6-/16-/18-bit parallel RGB interfaces and VSYNC interface
• Content Adaptive Brightness Control (CABC) and backlight control
• Dynamic backlight control and programmable gamma correction

Applications:

• a-Si TFT LCD display panels
• Mobile and handheld electronics displays

• /rhombus4 Display resolution: 240xRGB x 320(V)
• /rhombus4 Output:
• /head2right 720 source outputs
• /head2right 320 gate outputs
• /head2right Common electrode output (VCOM)
• /rhombus4 System Interface
• /rhombus4 a-TFT LCD driver with on-chip full display RAM: 172,800 bytes
• /head2right 8-bits, 9-bits, 16-bits, 18-bits interface with 8080/8080series MCU
• /head2right 6-bits, 16-bits, 18-bits RGB interface with graphic controller
• /head2right 3-line / 4-line serial interface
• /rhombus4 Display mode:
• /head2right Full color mode (Idle mode OFF): 262K-color (selectable color depth mode by software)
• /head2right Reduce color mode (Idle mode ON): 8-color
• /rhombus4 Power saving mode:
• /head2right Sleep mode
• /rhombus4 On chip functions:
• /head2right VCOM generator and adjustment
• /head2right Timing generator
• /head2right Oscillator
• /head2right DC/DC converter
• /head2right Line/frame inversion
• /head2right 1 preset Gamma curve with separate RGB Gamma correction
• /rhombus4 MTP (3 times):
• /rhombus4 Content Adaptive Brightness Control
• /head2right 8-bits for ID1, ID2, ID3
• /head2right 7-bits for VCOM adjustment

Ⅰ

Ⅱ

• /rhombus4 Low -power consumption architecture
• /head2right Low operating power supplies:
• /square4 VDDI = 1.65V ~ 3.3V (logic)
• /square4 VCI = 2.5V ~ 3.3V (analog)
• /rhombus4 LCD Voltage drive:
• /head2right Source/VCOM power supply voltage
• /square4 DDVDH - GND = 4.5V ~ 5.8V
• /square4 VCL - GND = -1.5V ~ -2.5V
• /head2right Gate driver output voltage
• /square4 VGH - GND = 10.0V ~ 18.0V
• /square4 VGL - GND = -5.0V ~ -10.0V
• /square4 VGH - VGL 28V
• /head2right VCOM driver output voltage
• /square4 VCOMH = 3.0V ~ (DDVDH - 0.2)V
• /square4 VCOML = (VCL+0.2)V ~ 0V
• /square4 VCOMH - VCOML 6.0V
• /rhombus4 a-Si TFT LCD storage capacitor : Cst on Common structure only
• /rhombus4 Operate temperature range: -40 to 85

°C

°C

≦

≦

Power Supply Pins - Pin Name	Power Supply Pins - I/O	Power Supply Pins - Type	Power Supply Pins - Descriptions
VDDI	I	P	Low voltage power supply for interface logic circuits (1.65 ~ 3.3 V)
VDDI_LED	I		Power supply for LED driver interface. (1.65 ~ 3.3 V) If LED driver is not used, fix this pin at VDDI.
VCI	I	Analog Power	High voltage power supply for analog circuit blocks (2.5 ~ 3.3 V)
Vcore	O	Digital Power	Regulated Low voltage level for interface circuits Connect a capacitor for stabilization. Don't apply any external power to this pad
VSS3	I	I/O Ground	System ground level for I/O circuits.
VSS	I	Digital Ground	System ground level for logic blocks
VSSA	I	Analog Ground	System ground level for analog circuit blocks Connect to VSS on the FPC to prevent noise.
VSSC	I	Analog Ground	System ground level for analog circuit blocks Connect to VSS on the FPC to prevent noise

Interface Logic Signals - Pin Name	Interface Logic Signals - I/O	Interface Logic Signals - Type	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions	Interface Logic Signals - Descriptions
IM[3:0]	I	(VDDI/VSS)	- Select the MCU interface mode	- Select the MCU interface mode	- Select the MCU interface mode	- Select the MCU interface mode	- Select the MCU interface mode	- Select the MCU interface mode	- Select the MCU interface mode
IM[3:0]	I	(VDDI/VSS)	IM3	IM2	IM1	IM0	MCU-Interface Mode	DB Pin in use	DB Pin in use
IM[3:0]	I	(VDDI/VSS)	IM3	IM2	IM1	IM0	MCU-Interface Mode	Register/Content	GRAM
IM[3:0]	I	(VDDI/VSS)	0	0	0	0	80 MCU 8-bit bus interface	D[7:0]	D[7:0]
IM[3:0]	I	(VDDI/VSS)	0	0	0	1	80 MCU 16-bit bus interface	D[7:0]	D[15:0]
IM[3:0]	I	(VDDI/VSS)	0	0	1	0	80 MCU 9-bit bus interface	D[7:0]	D[8:0]
IM[3:0]	I	(VDDI/VSS)	0	0	1	1	Ⅰ 80 MCU 18-bit bus interface	D[7:0]	D[17:0]
IM[3:0]	I	(VDDI/VSS)	0	1	0	1	3-wire 9-bit data serial interface	SDA: In/OUT	SDA: In/OUT
IM[3:0]	I	(VDDI/VSS)	0	1	1	0	Ⅰ 4-wire 8-bit data serial interface	SDA: In/OUT	SDA: In/OUT
IM[3:0]	I	(VDDI/VSS)	1	0	0	0	Ⅰ Ⅰ 80 MCU 16-bit bus interface	D[8:1]	D[17:10], D[8:1]
IM[3:0]	I	(VDDI/VSS)	1	0	0	1	80 MCU 8-bit bus interface	D[17:10]	D[17:10]
IM[3:0]	I	(VDDI/VSS)	1	0	1	0	Ⅰ Ⅰ Ⅱ Ⅱ 80 MCU 18-bit bus interface Ⅱ	D[8:1]	D[17:0]
IM[3:0]	I	(VDDI/VSS)	1 use Fix	0 RGB this	1 Interface pin at	1 VDDI	80 MCU 9-bit bus interface Ⅱ must select serial or VSS.	D[17:10] interface.	D[17:9]
IM[3:0]	I	(VDDI/VSS)	1	1	0	1	3-wire 9-bit data serial	SDI: In	SDI: In
IM[3:0]	I	(VDDI/VSS)					interface 4-wire 8-bit data serial	SDO: Out SDI: In	SDO: Out SDI: In
IM[3:0]	I	(VDDI/VSS)	1	1	1	0	interface	SDO: Out	SDO: Out
IM[3:0]	I	(VDDI/VSS)	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select	MPU Parallel interface bus and serial interface select

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.

Ⅱ

RESX	I	MCU (VDDI/VSS)	This signal will reset the device and must be applied to properly initialize the chip. Signal is active low.
EXTC	I	MCU (VDDI/VSS)	Extended command set enable. Low: extended command set is discarded. High: extended command set is accepted. Please connect EXTC to VDDI to read/write extended registers (RB0hRCFh, RE0hRFFh)
CSX	I	MCU (VDDI/VSS)	Chip select input pin ('Low' enable). This pin can be permanently fixed 'Low' in MPU interface mode only. * note1,2
D/CX (SCL)	I	MCU (VDDI/VSS)	This pin is used to select 'Data or Command' in the parallel interface or 4-wire 8-bit serial data interface. When DCX = '1', data is selected. When DCX = '0', command is selected. This pin is used serial interface clock in 3-wire 9-bit / 4-wire 8-bit serial data interface. If not used, this pin should be connected to VDDI or VSS.
RDX	I	MCU (VDDI/VSS)	8080- /8080 - system (RDX): Serves as a read signal and MCU read data at the rising edge. Fix to VDDI level when not in use.
WRX (D/CX)	I	MCU (VDDI/VSS)	Ⅰ Ⅱ - 8080- /8080 - system (WRX): Serves as a write signal and writes data at the rising edge. - 4-line system (D/CX): Serves as command or parameter select. Fix to VDDI level when not in use.
D[17:0]	I/O	MCU (VDDI/VSS)	18-bit parallel bi-directional data bus for MCU system and RGB interface mode Fix to VSS level when not in use
SDI/SDA	I/O	MCU (VDDI/VSS)	Ⅰ Ⅱ When IM[3] : Low, Serial in/out signal. When IM[3] : High, Serial input signal. The data is applied on the rising edge of the SCL signal. If not used, fix this pin at VDDI or VSS.
SDO	O	MCU (VDDI/VSS)	Serial output signal. The data is outputted on the falling edge of the SCL signal. If not used, open this pin
TE	O	MCU (VDDI/VSS)	Tearing effect output pin to synchronize MPU to frame writing, activated by S/W command. When this pin is not activated, this pin is low. If not used, open this pin.
DOTCLK	I	MCU (VDDI/VSS)	Dot clock signal for RGB interface operation. Fix to VDDI or VSS level when not in use.
VSYNC	I	MCU (VDDI/VSS)	Frame synchronizing signal for RGB interface operation. Fix to VDDI or VSS level when not in use.
HSYNC	I	MCU (VDDI/VSS)	Line synchronizing signal for RGB interface operation. Fix to VDDI or VSS level when not in use.
DE	I	MCU (VDDI/VSS)	Data enable signal for RGB interface operation. Fix to VDDI or VSS level when not in use.

Item	Symbol	Unit	Condition	Min.	Typ.	Max.	Note
Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage	Power and Operation Voltage
Analog Operating Voltage	VCI	V	Operating voltage	2.5	2.8	3.3	Note2
Logic Operating Voltage	VDDI	V	I/O supply voltage	1.65	2.8	3.3	Note2
Digital Operating voltage	VCORE	V	Digital supply voltage	-	1.5	-	Note2
Gate Driver High Voltage	VGH	V	-	10.0	-	18.0	Note3
Gate Driver Low Voltage	VGL	V	-	-10.0	-	-5.0	Note3
Driver Supply Voltage	-	V	|VGH-VGL|	15	-	28	Note3
Current consumption during standby mode	I ST	μA	VCI=2.8V , Ta=25 °C	-	-	100	-
Input and Output	Input and Output	Input and Output	Input and Output	Input and Output	Input and Output	Input and Output	Input and Output
Logic High Level Input Voltage	VIH	V	-	0.7*VDDI	-	VDDI	Note1,2,3
Logic Low Level Input Voltage	VIL	V	-	VSS	-	0.3*VDDI	Note1,2,3
Logic High Level Output Voltage	VOH	V	IOL=-1.0mA	0.8*VDDI	-	VDDI	Note1,2,3
Logic Low Level Output Voltage	VOL	V	IOL=1.0mA	VSS	-	0.2*VDDI	Note1,2,3
Logic High Level Input Current	IIH	μA	-	-	-	1	Note1,2,3
Logic Low Level input Current	IIL	μA	-	-1	-	-	Note1,2,3
Logic Input Leakage Current	ILEA	μA	VIN=VDDI or VSS	-0.1	-	+0.1	Note1,2,3
VCOM Operation	VCOM Operation	VCOM Operation	VCOM Operation	VCOM Operation	VCOM Operation	VCOM Operation	VCOM Operation
VCOM High Voltage	VCOMH	V	Ccom=12nF	2.5	-	5.0	Note3
VCOM Low Voltage	VCOML	V	Ccom=12nF	-2.5	-	0.0	Note3
VCOM Amplitude Voltage	VCOMA	V	|VCOMH-VCOML|	4.0	-	5.5	Note3
Source Driver	Source Driver	Source Driver	Source Driver	Source Driver	Source Driver	Source Driver	Source Driver
Source Output Range	Vsout	V	-	0.1	-	DDVDH-0.1	Note4
Gamma Reference Voltage	GVDD	V	-	3.0	-	5.0	Note3
Output Deviation Voltage (Source	Vdev	mV	Sout>=4.2V Sout<=0.8V	-	-	20	Note4
Output channel)			4.2V>Sout>0.8V	-	-	15	-
Output Offset Voltage	VOFSET	mV	-	-	-	35	Note7
Booster Operation	Booster Operation	Booster Operation	Booster Operation	Booster Operation	Booster Operation	Booster Operation	Booster Operation
1 st Booster (VCIx2) Voltage	DDVDH	V	-	4.95 (Note 5)	-	5.8 (Note 6)	Note3
1 st Booster (VCIx2 Drop Voltage	VCIx2 drop	%	loading=1mA	-	-	5	Note3
Liner Range	Vliner	V	-	0.2	-	DDVDH-0.2

Note 1: VDDI=1.65 to 3.3V, VCI=2.5 to 3.3V, AGND=VSS=0V, Ta=-30 to 70 (to +85 no damage) .

°C

Note2: Please supply digital VDDI voltage equal or less than analog VCI voltage.

Note3: CSX, RDX, WRX, D[17:0], D/CX, RESX, TE, DOTCLK, VSYNC, HSYNC, DE, SDA, SCL, IM3, IM2, IM1, IM0, and Test pins.

Note4: When the measurements are performed with LCD module. Measurement Points are like Note3.

Note5: VCI=2.6V

Note6: VCI=3.3V

Note7: The Max. Value is between with Note 4 measure point and Gamma setting value

The absolute maximum rating is listed on following table. When ILI9341 is used out of the absolute maximum ratings, ILI9341 may be permanently damaged. To use ILI9341 within the following electrical characteristics limitation is strongly recommended for normal operation. If these electrical characteristic conditions are exceeded during normal operation, ILI9341 will malfunction and cause poor reliability.

Item	Symbol	Unit	Value
Supply voltage	VCI	V	-0.3 ~ +4.6
Supply voltage (Logic)	VDDI	V	-0.3 ~ +4.6
Supply voltage (Digital)	VCORE	V	-0.3 ~ +2.0
Driver supply voltage	VGH-VGL	V	-0.3 ~ +28.0
Logic input voltage range	VIN	V	-0.3 ~ VDDI + 0.3
Logic output voltage range	VO	V	-0.3 ~ VDDI + 0.3
Operating temperature	Topr		-40 ~ +85
Storage temperature	Tstg		-55 ~ +110