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PDF HX8346-A Data sheet ( Hoja de datos )
| Número de pieza | HX8346-A | |
| Descripción | TFT Mobile Single Chip Driver | |
| Fabricantes | Himax | |
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DATA SHEET
( DOC No. HX8346-A(T)-DS )
HX8346-A(T)
240RGB x 320 dot, 262K color,
with internal GRAM,
TFT Mobile Single Chip Driver
Version 01 July, 2007
1 page  
HX8346-A(T)
240RGB x 320 dot, 262K color, with internal
GRAM, TFT Mobile Single Chip Driver
List of Figures
July, 2007
Figure 5. 1 Register read/write Timing in Parallel Bus System Interface (for I80 series MPU) ........ 33
Figure 5. 2 GRAM read/write Timing in Parallel Bus System Interface (for I80 series MPU) ........... 34
Figure 5. 3 GRAM read/write Timing in Parallel Bus System Interface (for I80 series MPU) ........... 35
Figure 5. 4 Register read/write Timing in Parallel Bus System Interface (for M68 series MPU) ...... 36
Figure 5. 5 GRAM read/write Timing in Parallel Bus System Interface (for M68 series MPU) ......... 37
Figure 5. 6 GRAM read/write Timing in Parallel Bus System Interface (for M68 series MPU) ......... 38
Figure 5. 7 Example of I80- / M68- System 16-bit Parallel Bus Interface ......................................... 39
Figure 5. 8 Input Data Bus and GRAM Data Mapping in 16-bit Bus System Interface with 16 bit-Data
Input ( BS(2-0) = “000”).............................................................................................................. 39
Figure 5. 9 Input Data Bus and GRAM Data Mapping in 16-bit Bus System Interface with (16 + 2)
bit-Data Input ( BS(2-0) = “001”) ................................................................................................ 39
Figure 5. 10 Output Data Bus and GRAM Data Mapping in 16-bit Bus System Interface with (16 + 2)
bit-Data Input ( BS(2-0) = “001”) ................................................................................................ 40
Figure 5. 11 Example of I80- / M68- System 18-bit Parallel Bus Interface ....................................... 41
Figure 5. 12 Input Data Bus and GRAM Data Mapping in 18-bit Bus System Interface with (18)
bit-Data Input ( BS(2-0) = “010”) ................................................................................................ 41
Figure 5. 13Output Data Bus and GRAM Data Mapping in 18-bit Bus System Interface with (18)
bit-Data Input ( BS(2-0) = “010”) ................................................................................................ 41
Figure 5. 14 Example of I80- / M68- System 8-bit Parallel Bus Interface ......................................... 42
Figure 5. 15 Input Data Bus and GRAM Data Mapping in 8-bit Bus System Interface with ( 8 + 8 +8 )
bit-Data Input ( BS(2-0) = “011”) ................................................................................................ 42
Figure 5. 16 Output Data Bus and GRAM Data Mapping in 8-bit Bus System Interface with ( 8 + 8 +8 )
bit-Data Input ( BS(2-0) = “011”) ................................................................................................ 43
Figure 5. 17 Data Write Timing in Serial Bus System Interface ........................................................ 45
Figure 5. 18 Data Read Timing in Serial Bus System Interface........................................................ 47
Figure 5. 19 RGB Interface Circuit Input Timing ............................................................................... 48
Figure 5. 20 16 bit / pixel Data Input ................................................................................................. 49
Figure 5. 21 18 bit / pixel Data Input ................................................................................................. 50
Figure 5. 22 MCU to memory write/read direction ............................................................................ 51
Figure 5. 23 MY, MX, MV Setting...................................................................................................... 52
Figure 5. 24 Address Direction Settings............................................................................................ 53
Figure 5. 25 Memory Map. (240RGBx320) .................................................................................... 54
Figure 5. 26 ....................................................................................................................................... 55
Figure 5. 27 ....................................................................................................................................... 55
Figure 5. 28 ....................................................................................................................................... 55
Figure 5. 29 ....................................................................................................................................... 56
Figure 5. 30 ....................................................................................................................................... 56
Figure 5. 31 ....................................................................................................................................... 57
Figure 5. 32 ....................................................................................................................................... 57
Figure 5. 33 ....................................................................................................................................... 58
Figure 5. 34 ....................................................................................................................................... 58
Figure 5. 35 LCD power generation scheme .................................................................................... 60
Figure 5. 36 Various boosting steps.................................................................................................. 61
Figure 5. 37 ....................................................................................................................................... 62
Figure 5. 38 Structure of Grayscale Voltage Generator .................................................................... 63
Figure 5. 39 Gamma Resister Stream and Gamma Reference Voltage .......................................... 65
Figure 5. 40 Relationship between Source Output and Vcom ....................................................... 73
Figure 5. 41 Relationship between GRAM Data and Output Level................................................ 73
Figure 5. 42 Gamma Curve according to the GC0 to GC3 bit .......................................................... 74
Figure 5. 43 Scan Function ............................................................................................................... 75
Figure 5. 44 Oscillation Circuit .......................................................................................................... 76
Figure 5. 45 Display On/Off Set Sequence .................................................................................... 77
Figure 5. 46 Standby Mode Setting Sequence ................................................................................. 78
Figure 5. 47 Power Supply Setting Flow ........................................................................................... 79
Figure 5. 48 OTP programming flow ................................................................................................. 81
Himax Confidential
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.
-P.4-
July, 2007
5 Page 
HX8346-A
240RGB x 320 dot, 262K color, with internal
GRAM, TFT Mobile Single Chip Driver
Version 01
July, 2007
1. General Description
This manual describes the Himax’s HX8346-A 240RGBx320 dots resolution driving
controller. The HX8346-A is designed to provide a single-chip solution that combined
a gate driver, a source driver, power supply circuit for 262,144 colors to drive a TFT
panel with 240RGBx320 dots at maximum.
The HX8346-A can be operated in low-voltage (1.65V) condition to 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 HX8346-A also
supports various functions to reduce the power consumption of a LCD system via
software control.
The HX8346-A is suitable for any small portable battery-driven product and requiring
long-term driving capabilities, such as small PDAs, digital cellular phones and
bi-directional pagers.
HX8346-A supports four-type interface mode: Command-Parameter interface mode,
Register-Content interface mode, RGB interface mode and Hardware-Control
interface mode. Command-Parameter interface mode, Register-Content interface
mode and Hardware-Control interface mode are selected by the external pins IFSEL
setting, and RGB interface mode is selected by internal bit RGB_EN setting. The
description of this manual focuses on Register-Content interface mode and RGB
interface mode, about the Command-Parameter interface mode, please refer to the
HX8346-A(N) datasheet for detail.
Himax Confidential
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.
-P.10-
July, 2007
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HX8346-A.PDF ] | |
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