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Intersil Electronic Components Datasheet

TW8833S Datasheet

TFT Display Controller

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Techwell
TW8833/TW8833S -- TFT Display
Controller
Datasheet from Intersil|Techwell.
Information may change without notice
Disclaimer
This document provides technical information for the user. Intersil Corporation reserves the right to modify the
information in this document as necessary. The customer should make sure that they have the most recent data
sheet version. Intersil Corporation holds no responsibility for any errors that may appear in this document.
Customers should take appropriate action to ensure their use of the products does not infringe upon any patents.
Intersil Corporation respects valid patent rights of third parties and does not infringe upon or assist others to
infringe upon such rights.
INTERSIL|TECHWELL
1
REV A
10/25/2010


Intersil Electronic Components Datasheet

TW8833S Datasheet

TFT Display Controller

No Preview Available !

TW8833/TW8833S TFT DISPLAY CONTROLLER
Introduction.......................................................................................6
Applications............................................................................................. 6
TFT Panel Support............................................................................... 6
On Screen Display............................................................................... 6
Image Processing ................................................................................ 6
Clock Generation.................................................................................. 6
Power Management............................................................................ 6
Miscellaneous....................................................................................... 6
Order Information.............................................................................8
Functional Description ....................................................................9
Overview................................................................................................... 9
Analog Front-end.................................................................................... 9
Video Decoder......................................................................................... 9
Sync processor..................................................................................... 9
Color Decoding...................................................................................10
Automatic standard detection............................................................10
Video Format support ........................................................................10
Input Image Control..............................................................................12
Image Scaling........................................................................................12
Image Enhancement Processing......................................................12
Black/White Stretch............................................................................12
TFT Panel Support................................................................................12
Dithering .............................................................................................. 12
Gamma Table ....................................................................................12
TCON.................................................................................................. 12
Font On Screen Display.......................................................................13
On chip OSD functions......................................................................13
Basic register setting flow example for Built-in OSD controller.......14
OSD Window Start Location: Built-in OSD controller......................17
OSD_RAM Configuration..................................................................17
Alpha Blending for OSD Window.....................................................18
Alpha Blending Concept....................................................................18
SPI On Screen Display (for TW8833S only)....................................19
SPIOSD Window Display Starting Location and Sizes..................19
SPIOSD Window Buffer Memory.....................................................20
SPIOSD Window Loop Control........................................................21
OSD Display Path..............................................................................22
Microcontroller Interface.....................................................................23
Two Wire Serial Bus Interface...........................................................23
Pin Diagram.....................................................................................26
Pin Description ...............................................................................27
Parametric Information..................................................................30
AC/DC Electrical Parameters..............................................................30
Filter Curves....................................................................................33
Anti-alias filter......................................................................................33
Decimation filter ..................................................................................33
Chroma Band Pass Filter Curves.....................................................34
Luma Notch Filter Curve for NTSC and PAL ..................................34
Chrominance Low-Pass Filter Curve...............................................35
Mechanical Data 48 QFN .............................................................36
Register Summary .........................................................................38
General................................................................................................ 38
General................................................................................................ 38
LEDC/DC-DC/VCOM Control ..........................................................39
DAC..................................................................................................... 39
SSPLL................................................................................................. 39
Decoder............................................................................................... 40
SCALER / TCON...............................................................................42
Image Adjustment..............................................................................43
Gamma & Dither................................................................................43
FOSD .................................................................................................. 44
SPI OSD (for TW8833S only)...........................................................46
SPI Interface .......................................................................................48
Register Description ......................................................................49
0x000 Product ID Code Register (ID)...........................................49
0x002 IRQ........................................................................................49
0x003 IMASK..................................................................................49
0x006 SRST....................................................................................49
0x007 OUTPUT CTRL I.................................................................50
0x008 OUTPUT CTRL II................................................................50
INTERSIL|TECHWELL
2
0x009 GPO Control ........................................................................51
0x01F TEST....................................................................................51
0x0DB FPWM_HI...........................................................................52
0x0DC FPWM1_LO.......................................................................52
0x0DD DPWM1..............................................................................52
0x0DE FPWM2_LO.......................................................................52
0x0DF DPWM2...............................................................................52
0x0E0 LEDC Control I....................................................................53
0x0E1 LEDC Sense Control..........................................................53
0x0E2 LEDC Control II...................................................................53
0x0E3 LEDC PWM ........................................................................54
0x0E4 LEDC Dim Frequency........................................................54
0x0E5 LEDC Dim Control..............................................................54
0x0E6 LEDC PWMTOP................................................................54
0x0E8 DCDC Control I...................................................................55
0x0E9 DCDC Sense Control.........................................................55
0x0EA DCDC Control II..................................................................55
0x0EB DCDC PWM.......................................................................56
0x0EC DCDC PWMTOP ..............................................................56
0x0ED VCOM-DC OFFSET Control............................................56
0x0EE VCOM-AC AMP Control....................................................56
0x0F0 DAC I....................................................................................57
0x0F1 DAC II...................................................................................57
0x0F6 CLOCK_DIV........................................................................57
0x0F7 SSPLL..................................................................................57
0x0F8 SSPLL Control Registers ...................................................57
0x0F9 SSPLL Frequency Control Registers................................58
0x0FA SSPLL Frequency Control Registers................................58
0x0FB SSPLL Modulation Frequency Control Registers............58
0x0FC SSPLL.................................................................................58
0x0FD SSPLL Analog Control Registers......................................59
0x0FE FPGA Debug......................................................................59
Decoder............................................................................................... 60
0x101 Chip Status Register (CSTATUS).....................................60
0x102 Input Format (INFORM)......................................................60
0x103 Reserved..............................................................................61
0x104 HSYNC Delay Control........................................................61
0x105 Anti-aliasing..........................................................................61
0x106 Analog Control Register (ACNTL) .....................................62
0x107 Cropping Register, High (CROP_HI) ................................62
0x108 Vertical Delay Register, Low (VDELAY_LO)....................62
0x109 Vertical Active Register, Low (VACTIVE_LO)..................63
0x10A Horizontal Delay Register, Low (HDELAY_LO) ..............63
0x10B Horizontal Active Register, Low (HACTIVE_LO).............63
0x10C Control Register I (CNTRL1) .............................................64
0x10D CC/WSS Control.................................................................64
0x110 BRIGHTNESS Control Register (BRIGHT) .....................64
0x111 CONTRAST Control Register (CONTRAST)..................65
0x112 SHARPNESS Control Register I (SHARPNESS)...........65
0x113 Chroma (U) Gain Register (SAT_U) .................................65
0x114 Chroma (V) Gain Register (SAT_V)..................................65
0x115 Hue Control Register (HUE)...............................................66
0x116 Reserved..............................................................................66
0x117 Vertical Peaking Control I....................................................66
0x118 Coring Control Register (CORING)...................................66
0x119 Reserved..............................................................................66
0x11A CC/EDS Status Register (CC_STATUS).........................67
0x11B CC/EDS Data Register (CC_DATA) ................................67
0x11C Standard Selection (SDT)..................................................67
0x11D Standard Recognition (SDTR) ..........................................68
0x11E Component Video Format (CVFMT)................................68
0x11F Test.......................................................................................68
0x120 Clamping Gain (CLMPG)...................................................69
0x121 Individual AGC Gain (IAGC)...............................................69
0x122 AGC Gain (AGCGAIN).......................................................69
0x123 White Peak Threshold (PEAKWT)....................................69
0x124Clamp level (CLMPL)...........................................................69
0x125Sync Amplitude (SYNCT)....................................................70
0x126 Sync Miss Count Register (MISSCNT).............................70
0x127 Clamp Position Register (PCLAMP) .................................70
REV A
10/25/2010


Part Number TW8833S
Description TFT Display Controller
Maker Intersil
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TW8833S Datasheet PDF






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