ak8825 AKM Semiconductor, Inc., ak8825 Datasheet

ak8825

Manufacturer Part Number

ak8825

Description

Hd/sd Multi Format Video Encoder With 3ch Dac

Manufacturer

AKM Semiconductor, Inc.

Datasheet

1.AK8825.pdf (162 pages)

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accepted and in HDTV encoder mode, SMPTE-274M (1080i), SMPTE296M (720p) compatible Y/Cb/Cr 4:2:2 formats (8bit x 2)

are accepted.

synchronize with externally-fed H/V SYNC signal is selectable.

Component Video Encoder

- Compatible Input Data

- Input Signal Format (525i / 625i, 525p / 625p, 1080i, 720P)

- Input Clock

- Output Signals

- Input Signal Synchronization

- VBID (CGMS-A), CC/XDS, WSS, CEA-805-B (Type A/B)

- Macrovision 525i / 625i Rev.7.1.1L, 525p/625p Macrovision Progressive 1.2

- Internal Color bar Generator

- Internal Black Burst Generator

- Adjustable Y / Pb / Pr Delay Function

NTSC / PAL Composite Video Encoder

- NTSC-M, PAL-B, D, G, H, I. M, N Encoding

- Composite Video Output / S-Video Output

- Compatible Input Data

- Input Signal Synchronization

- Input Clock

- VBID(CGMS-A), CC/XDS, WSS

- Macrovision Rev. 7.1.L

Rev-E-00

The AK8825 is a HD/SD TV Video Encoder with onchip 3-channel 10bit DAC.

As input data, in SDTV encoder mode, SMTE-125M / ITUR-R.BT601, 656 compatible Y/Cb/Cr 4:2:2 formats (8bit) are

As input data capture method, either a Synchronous mode to be made by detecting encoded EAV signal or a mode to

Outputs of CVBS / SDY / SDC and HDY / HDPB / HDPR and R / G / B analog signal can be output exclusively.

VBI signal and Macrovision signal can be also superimposed on output in addition to Video signals by register setting.

AK8825 supports I2C compatible interface as Micro-Processor interface.

SMPTE125M-1995 / ITU-R BT601 (525i/625i)

SMPTE293M-1996 / ITU-R BT1358 (525p/625p)

SMPTE274M-1998 (1080i)

SMPTE296M-2001 (720p)

Y/Cb/Cr 4:2:2 (8bit x 1: 525i/625i)

Y/Cb/Cr 4:2:2 (8bit x 2: 525p/625p/1080i/720p)

RGB 6:6:6

RGB 5:6:5

27MHz (525i / 625i / 525p / 625p) / 74.25MHz (1080i/720p)

Y/Pb/Pr Interlace

Y/Pb/Pr Progressive

(EIA 770.2, EAI 770.3)

ITU-R.BT 656 I/F (EAV Decode)

Slave operation by HSYNC / VSYNC

SMPTE125M-1995 / ITU-R BT601(525i/625i) Y/Cb/Cr 4:2:2 (8bit x 1)

RGB 6:6:6

RGB 5:6:5

ITU-R.BT 656 I/F (EAV Decode)

Slave operation by HSYNC / VSYNC

27MHz

(525i: ITU-R. BT601 Compatible 625i / 525p / 625p / 1080i / 720p; CEA-861-D Compatible)

( 525i / 625i: ITU-R. BT601 Compatible)

HD/SD Multi Format Video Encoder with 3ch DAC

General Description

Features

AK8825

2008/03

[AK8825]

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