AK8859VQ Datasheet, PDF (2/73 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VQ]
Contents
[1.] Functional block diagram..................................................................................................................... 5
[2.] Pin assignment...................................................................................................................................... 6
[3.] Pin function description ....................................................................................................................... 7
[3.1.] Pin function ..................................................................................................................................... 7
[3.2.] Output pin state .............................................................................................................................. 9
[4.] Electrical characteristics.................................................................................................................... 10
[4.1.] Absolute maximum ratings ......................................................................................................... 10
[4.2.] Recommended operating conditions ......................................................................................... 10
[4.3.] DC characteristics ........................................................................................................................ 10
[4.4.] Analog characteristics ..................................................................................................................11
[4.4.1.] Input range ..............................................................................................................................11
[4.4.2.] ADC ..........................................................................................................................................11
[4.4.3.] Current consumption .............................................................................................................11
[4.4.4.] Crystal circuit block............................................................................................................... 12
[5.] AC Timing............................................................................................................................................. 13
[5.1.] External clock input ..................................................................................................................... 13
[5.2.] Clock output (DTCLK) .................................................................................................................. 13
[5.3.] Output data timing........................................................................................................................ 14
[5.4.] Power down sequence................................................................................................................. 14
[5.5.] Power-on sequence...................................................................................................................... 15
[5.6.] I²C bus input timing...................................................................................................................... 16
[5.6.1.] Timing 1 .................................................................................................................................. 16
[5.6.2.] Timing 2 .................................................................................................................................. 16
[6.] Functional overview............................................................................................................................ 17
[7.] Functional Description ....................................................................................................................... 18
[7.1.] Analog interface............................................................................................................................ 18
[7.2.] Clock mode ................................................................................................................................... 18
[7.3.] Analog clamp circuit .................................................................................................................... 18
[7.4.] Input video signal categorization ............................................................................................... 20
[7.5.] Auto detection mode of input signal .......................................................................................... 21
[7.6.] Limiting auto detection candidates of input signal .................................................................. 22
[7.7.] VBI blanking interval data output ............................................................................................... 23
[7.8.] Output data code Min/Max........................................................................................................... 23
[7.9.] V-bit ................................................................................................................................................ 24
[7.10.] Slice function .............................................................................................................................. 24
[7.11.] VBI period decode data.............................................................................................................. 25
[7.12.] Output pin status ........................................................................................................................ 26
[7.13.] HD pin output.............................................................................................................................. 27
[7.14.] VD_F, VAR and VARSUB pin output selection......................................................................... 27
[7.15.] Output pin polarity ..................................................................................................................... 28
[7.16.] Phase correction ........................................................................................................................ 28
[7.17.] No signal output ......................................................................................................................... 29
[7.18.] Active video data start position ................................................................................................ 29
[7.19.] VLOCK mechanism .................................................................................................................... 30
[7.20.] Y/C separation............................................................................................................................. 30
[7.21.] EAV/SAV code ............................................................................................................................. 30
[7.22.] Output Interface.......................................................................................................................... 31
[7.22.1.] 656 interface ......................................................................................................................... 31
MS1178-E-00
AKM Confidential
-2-
2010/04