ch7026b-tfi Chrontel, ch7026b-tfi Datasheet

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ch7026b-tfi

Manufacturer Part Number
ch7026b-tfi
Description
Ch7026 Tv/vga Encoder
Manufacturer
Chrontel
Datasheet

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CH7026B-TFI
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Chrontel
• TV encoder targets for handheld device, surveillance camera
• Supports multiple output formats such as analog TV (NTSC and
• Three on-chip 10-bit high speed DACs providing flexible output
• 90/180/270 degree image rotation and vertical or horizontal flip.
• 16-Mbit SDRAM is used as a frame buffer for frame rate
• Flexible up and down scaling.
• Programmable 24-bit/18-bit/16-bit/15-bit/12-bit/8-bit digital
• Supports flexible input resolution up to 800x800 and 1024x680.
• Pixel by pixel brightness, contrast, hue and saturation
• Pixel by pixel horizontal position adjustment and line by line
• Supports CGMS-A for analog TV and HDTV
• TV/Monitor connection detection capability. DAC can be
• Programmable power management.
• Flexible pixel clock frequency from graphics controller is
• Flexible input clock from crystal or oscillator is supported.
• Supports slave input clock mode only.
• Fully programmable through serial port.
Note: the above feature list is subject to change without notice. Please contact Chrontel for
more information and current updates.
209-0000-088
Features
and automobile market.
PAL), VGA and HDTV ( 480p,576p,720p, 1080i). Sync signals
can be provided in separated or composite manner.
capabilities such as single, double or triple CVBS outputs,
YPbPr output, RGB output and simultaneous CVBS and S-
video output.
conversion.
input interface supports various RGB (RGB888, RGB666,
RGB565 and etc), YCbCr (4:4:4 YCbCr, ITU656) and 2x or 3x
multiplexed input. CPU interface is also supported.
adjustment for each output is supported. (For RGB output, only
brightness and contrast adjustment is supported).
vertical position adjustment.
switched off based on detection result.
supported. (2.3MHz –120MHz)
(2.3MHz – 64MHz)
IO and SPC/SPD voltage supported is from 1.2V to 3.3V.
Offered in BGA or QFP package.
Rev. 1.0,
3/5/2008
CH7026 TV/VGA Encoder
General Description
The CH7026 is a semiconductor device targeting
for handheld market, surveillance camera and
automobile multimedia system. This device
accepts digital video signals through its 24-bit
input bus and generates NTSC, PAL, VGA or
HDTV (480p, 576p, 720p and 1080i) video signal
by its 10-bit DACs. In addition, CH7026 has an
embedded 16-Mbit SDRAM to support the CPU
interface.
CH7026 has incorporated an advanced technology
that can perform real-time video rotations and
frame rate conversions for incoming video stream.
These complicated tasks are achieved by storing
video data to the internal SDRAM and applying
scaling process if required. CH7026 provides great
flexibility for accepting different video data
formats including RGB and YCbCr (e.g. RGB565,
RGB 666, RGB 888, ITU 656).
The CH7026 is available in BGA or QFP
package.
CH7026
Brief Datasheet
1

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ch7026b-tfi Summary of contents

Page 1

... Supports slave input clock mode only. • Fully programmable through serial port. • IO and SPC/SPD voltage supported is from 1.2V to 3.3V. • Offered in BGA or QFP package. Note: the above feature list is subject to change without notice. Please contact Chrontel for more information and current updates. 209-0000-088 Rev. 1.0, 3/5/2008 CH7026 ...

Page 2

... CHRONTEL Input RGB/YCbCr data format decoder CSC MUX (YCbCr CSB to RGB) WEB CPU VSYNC interface DIN SPC Serial port SPD XI PLL XO SYNC H,V,DE position adjust 2 SDRAM CSC Scaler MUX (RGB to YUV) MUX BRI CON VP HP Composite sync generation Figure 1: CH7026 block diagram ...

Page 3

... CHRONTEL 1.0 Pin-out 1.1 Package Diagram 1.1.1 BGA Package Diagram The 80-pin 209-0000-088 Rev. 1.0, 3/5/2008 Figure 2: 80-pin BGA package CH7026 ...

Page 4

... VSO 2 CSYNC 3 ATPG ResetB 6 AGND 7 AVDD 8 GNDQ_MEM 9 VDDQ_MEM 10 AGND 11 AVDD 12 GND_MEM 13 VDD_MEM VDDQ_MEM 18 GNDQ_MEM Chrontel CH7026 Figure 3: 80-pin LQFP package 209-0000-088 CH7026 D[ D[7] D[6] 58 D[5] 57 D[4] 56 D[3] 55 D[ D[0] VDDIO 51 GCLK 50 49 AVDD 48 AGND 47 GND_MEM 46 GND_MEM 45 VDD_MEM 44 VDD_MEM ...

Page 5

... CHRONTEL 2.0 Package Dimensions A1 Conrer Top View ) H G Table of Dimensions No. of Leads mm Milli- Min 6.00 5.00 meters Max Notes: 1. All dimensions conform to JEDEC standard MO-216. 209-0000-088 Rev. 1.0, 3/5/2008 Figure 4: 80 Pin BGA Package ...

Page 6

... CHRONTEL Table of Dimensions No. of Leads ( mm) Milli- MIN 11.90 9.90 meters MAX 12.10 10.10 Notes: 1. Conforms to JEDEC standard JESD-30 MS-026D. 2. Dimension B: Top Package body size may be smaller than bottom package size by as much as 0.15 mm. 3. Dimension B does not include allowable mold protrusions up to 0.25 mm per side. ...

Page 7

... Part Number Package Type CH7026B-GF 80TFBGA, Lead-free CH7026B-GFI 80TFBGA, Lead-free CH7026B-TF 80LQFP, Lead-free CH7026B-TFI 80LQFP, Lead-free 2210 O’Toole Avenue, Suite 100, ©2008 Chrontel, Inc. All Rights Reserved. Printed in the U.S.A. 209-0000-088 Rev. 1.0, 3/5/2008 Disclaimer ...

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