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AK8817 Dataheets PDF



Part Number AK8817
Manufacturers Asahi Kasei Microsystems
Logo Asahi Kasei Microsystems
Description (AK8817 / AK8818) NTSC/PAL Digital Video Encoder
Datasheet AK8817 DatasheetAK8817 Datasheet (PDF)

ASAHI KASEI www.DataSheet4U.com [AK8817/18] AK8817/18 NTSC/PAL Digital Video Encoder General Description The AK8817 is a Digital Video Encoder for Portable and Mobile application. ITU-R BT.601 level compatible Y, Cb,and Cr signals which correspond to 27MHz or square pixel are encoded into either NTSC or PAL compatible composite video signal. Interface is made in HSYNC-, VSYNC- synchronized slave-mode operation or ITU-R.Bt656. AK8817 has 75ohm driver with LPF. It is possible to encode the VBID.

  AK8817   AK8817



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ASAHI KASEI www.DataSheet4U.com [AK8817/18] AK8817/18 NTSC/PAL Digital Video Encoder General Description The AK8817 is a Digital Video Encoder for Portable and Mobile application. ITU-R BT.601 level compatible Y, Cb,and Cr signals which correspond to 27MHz or square pixel are encoded into either NTSC or PAL compatible composite video signal. Interface is made in HSYNC-, VSYNC- synchronized slave-mode operation or ITU-R.Bt656. AK8817 has 75ohm driver with LPF. It is possible to encode the VBID(CGMS-A) and WSS signal on the output video signal. Host Control interface is I2C Bus I/F. Features • • • • • • • • • • • • • • • • • • • NTSC-M, PAL-B, D, G, H, I Composite Video encoding Y:Cb:Cr 4:2:2 H/V Slave Operation / ITU-R.BT656 Interface Y filtering: 2 x over-sampling C filtering: 4 x over-sampling 9bit DAC Setup Macrovision Rev.7.1.1L VBID ( CGMS-A ) Compatible WSS Compatible Operation Clock rate : 27MHz or Square-pixel Clock rate(NTSC:24.5454MHz/PAL29.50MHz) Video Amp with LPF On-chip Color Bar Output Black Burst Output Power Supply (AVDD, DVDD) 2.7V - 3.3V I/F Power Supply (PVDD) 1.6V - 3.3V Power Down mode Monolithic CMOS 41pin FBGA(4mm x 4mm) (Pb Free) (Notice *) This device is protected by U.S. patent numbers 4,631,603, 4,577,216, and 4,819,098, and other intellectual rights. The use of Macrovision’s copy protection technology in the device must be authorized by Macrovision and is intended for home and other limited pay-per -view use only, unless otherwise authorized in written by Macrovision. Reverse engineering or disassembly is prohibited. Rev.000 1 2007 / 03 ASAHI KASEI www.DataSheet4U.com [AK8817/18] Block Diagram CLKINV RSTN PDN SCL SDA VREF CLKIN CLK Generator u-p I/F Register Timing Controller VDI HDI D[7:0] Synchronization Control Input Data Control CGMS VREF Generator IREF SYNC Generator Y Cb Cr U Cos SubCarrier Generator Sin V C Chroma LPF Filter (x 2 Interpolator) TEST LOGIC 6dB AMP LPF SAG VOUT Y LPF Filter (x 2 Interpolator) 9-bit DAC Cb/Cr LPF Filter (x 2 Interpolator) DACOUT Color Bar Gen B.B. Gen UD[4:0] PVDD PVSS DVDD DVSS AVDD AVSS TEST ATPG Rev.000 2 2007 / 03 ASAHI KASEI www.DataSheet4U.com [AK8817/18] Ordering Guide 41pin FBGA 41pin FBGA AK8817VG AK8818VG Pin Assignment 7 6 5 4 3 2 1 A B C D E F G Bottom View [AK8817 Pin Assignment] A B C D E F G 1 NC AVDD VREF UD3 UD1 CLKINV NC 2 DACOUT AVSS IREF UD4 UD2 UD0 CLKIN 3 SAG BVSS INDEX DVSS DVDD 4 VOUT DVSS 5 DVDD PDN D7 D6 D5 D4 6 RSTN SCL HDI PVSS D0 D3 D2 7 NC ATPG SDA VDI PVDD D1 TEST TOP View [AK8818 Pin Assignment] A B C D E F G 1 NC AVDD VREF UD3 UD1 CLKINV NC 2 DACOUT AVSS IREF UD4 UD2 UD0 CLKIN 3 SAG BVSS INDEX DVSS DVDD 4 VOUT DVSS 5 DVDD PDN D7 D5 D6 D4 6 RSTN SCL HDI PVSS D0 D3 D2 7 NC ATPG SDA VDI PVDD D1 TEST TOP View Rev.000 3 2007 / 03 ASAHI KASEI www.DataSheet4U.com [AK8817/18] Pin Functional Description AK8818 is different pin assignment from AK8817. Pin# Pin Name I/O Functional Outline Clock inp.


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