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PDF HX8347-A Data sheet ( Hoja de datos )
| Número de pieza | HX8347-A | |
| Descripción | 240RGB x 320 dot | |
| Fabricantes | Himax | |
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( DOC No. HX8347-A-AN )
HX8347-A
240RGB x 320 dot, 262K color,
with internal GRAM, TFT Mobile
Single Chip Driver
Version 02 October, 2007
1 page  
HX8347-A
240RGB x 320 dot, 262K color, with internal
GRAM, TFT Mobile Single Chip Driver
Version 02
October, 2007
1. Introduction
This document describes Himax’s HX8347-A 240RGBx320 dots resolution driving
controller. The HX8347-A is designed to provide a single-chip solution that combines
a gate driver, a source driver, power supply circuit for 262,144 colors to drive a TFT
panel with 240RGBx320 dots at maximum.
The HX8347-A can be operated in low-voltage (1.65V) condition for the interface and
integrated internal boosters that produce the liquid crystal voltage, breeder resistance
and the voltage follower circuit for liquid crystal driver. In addition, The HX8347-A also
supports various functions to reduce the power consumption of a LCD system via
software control.
The HX8347-A is suitable for any small portable battery-driven and long-term driving
products, such as small PDAs, digital cellular phones and bi-directional pagers.
The HX8347-A supports three interface modes: Command-Parameter interface mode,
Register-Content interface mode and RGB interface mode. Command-Parameter
interface mode and Register-Content interface mode are selected by the external pins
IFSEL0 setting, and RGB interface mode is selected by internal bit RGB_EN.
www.DataSheet4U.com
Himax Confidential
-P.4-
This information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of Himax.
October, 2007
5 Page 
HX8347-A
240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver
Signals
BURN
SDI
DNC_SCL
VSYNC
HSYNC
ENABLE
DOTCLK
NRESET
OSC
VCOMR
VGS
APPLICATION NOTE V02
Input Parts
I/O
Pin Connected
Number
with
Description
Free Running mode
I1
MPU
If BURN=Hi, this can enable free running mode for burn in test.
The display data alternates between full black and full white
independent of input data in free running mode.
I1
MPU
Serial data input pin.
If not used, please let it connected to IOVCC or VSSD.
The signal for command or parameter select under parallel
I1
MPU
mode(i.e. Not serial interface):
Low: command.
High: parameter.
When under serial interface, it servers as SCL.
I1
MPU
Frame synchronizing signal. Has to be fixed to IOVCC level if is not
used.
I1
MPU
Frame synchronizing signal. Has to be fixed to IOVCC level if is not
used.
I1
MPU
A data ENABLE signal in RGB I/F mode. Has to be fixed to VSSD
level if unused (High active, if EPL=0).
I1
MPU
Dot clock signal. Has to be fixed to VSSD level if is not used.
I
1
MPU or reset Reset pin. Setting either pin low initializes the LSI. Must be reset
circuit after power is supplied.
I
1
Oscillation Oscillator input for test purpose.
Resistor If not used, please let it open or connected to VSSD.
A VcomH reference voltage. When adjusting VcomH externally, set
I
1
Resistor or
open
registers to halt the VcomH internal adjusting circuit and place a
variable resistor between VREG1 and VSSD. Otherwise, leave this
pin open and adjust VcomH by setting the internal register of the
HX8347-A.
I
1
VSSD or
external
resistor
Connect to a variable resistor to adjusting internal gamma reference
voltage for matching the characteristic of different panel used.
Signals
www.DataShSe1et~4SU.7c2om0
G1~G320
VCOM
TE
SDO
NISD
Output Part
I/O
Pin Connected
Number
with
Description
O 720
LCD
Output voltages applied to the liquid crystal.
O 320
LCD
Gate driver output pins. These pins output VGH, VGL.(If not used,
should be open)
O
1
TFT common
electrode
The power supply of common voltage in TFT driving. The voltage
amplitude between VCOMH and VCOML is output. Connect this pin
to the common electrode in TFT panel.
O1
MPU
Tearing effect output.
If not used, please open this pin.
O1
MPU
Serial data output. If not use, let it to open.
O1
Open
Image Sticking Discharge signal. This pin is used for monitoring
image sticking discharge phenomena. When the NISD goes low, the
VGL would be discharged to VSSA. When the NISD goes high, the
VGL, Source and VCOM are normal operation.
Himax Confidential
This information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosed
-P.10-
in whole or in part without prior written permission of Himax.
October, 2007
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HX8347-A.PDF ] | |
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