AK8858

Multi format video decoder

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Description

The AK8858 is a single-chip digital video decoder for composite, S-video and YPbPr of 525i/625i/525p/625p component signals.

Output data is YCbCr and RGB format and compliant with ITU-R BT.601 standard.

Key Features

Decodes composite and S-Video signals NTSC / PAL-B, D, G, H, I, N, Nc, M, 60 / SECAM

Decode 525i / 625i YPbPr component video signals

Decode 525p / 625p YPbPr component video signals

10 input channels

10-bit 54MHz ADC 2 channel

Internal analog bandwidth filter

Programmable Gain Amp (PGA) (-3.25dB to 10dB)

Adaptive automatic gain control (AGC) and automatic Color Control (ACC)

Image adjustment (Contrast, Brightness, Saturation, HUE, Sharpness)

Automatic input signal detection

Adaptive 2-D Y/C separation

Output Data: YCbCr 4:2:2 8bit or RGB 24bit with EAV/SAV

Output I/F: ITU-R BT.656 and ITU-R BT.601( HD, VD, FIELD / DVALID output)

VBI signal decoding (Closed Caption, VBID (CGMS-A), WSS)

Powerdown function

I2C control

Power supply (Core: 1.7 to 2.0V, I/O: 1.7 to 3.6V)

Operating temperature: -40 to 85 deg.

Package: 80-pin LQFP (12mm x 12mm)

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Block Diagram

Block Diagram

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