AK8859VN Datasheet, PDF (2/72 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VN]
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 .............................................................................................................................. 8
[4.] Electrical characteristics...................................................................................................................... 9
[4.1.] Absolute maximum ratings ........................................................................................................... 9
[4.2.] Recommended operating conditions ........................................................................................... 9
[4.3.] DC characteristics .......................................................................................................................... 9
[4.4.] Analog characteristics ................................................................................................................. 10
[4.4.1.] Input range ............................................................................................................................. 10
[4.4.2.] ADC ......................................................................................................................................... 10
[4.4.3.] Current consumption ............................................................................................................ 10
[4.4.4.] Crystal circuit block................................................................................................................11
[5.] AC Timing............................................................................................................................................. 12
[5.1.] External clock input ..................................................................................................................... 12
[5.2.] Clock output (DTCLK) .................................................................................................................. 12
[5.3.] Output data timing........................................................................................................................ 13
[5.4.] Power down sequence................................................................................................................. 13
[5.5.] Power-on sequence...................................................................................................................... 14
[5.6.] I²C bus input timing...................................................................................................................... 15
[5.6.1.] Timing 1 .................................................................................................................................. 15
[5.6.2.] Timing 2 .................................................................................................................................. 15
[6.] Functional overview............................................................................................................................ 16
[7.] Functional Description ....................................................................................................................... 17
[7.1.] Analog interface............................................................................................................................ 17
[7.2.] Clock mode ................................................................................................................................... 17
[7.3.] Analog clamp circuit .................................................................................................................... 17
[7.4.] Input video signal categorization ............................................................................................... 19
[7.5.] Auto detection mode of input signal .......................................................................................... 20
[7.6.] Limiting auto detection candidates of input signal .................................................................. 21
[7.7.] VBI blanking interval data output ............................................................................................... 22
[7.8.] Output data code Min/Max........................................................................................................... 22
[7.9.] V-bit ................................................................................................................................................ 23
[7.10.] Slice function .............................................................................................................................. 23
[7.11.] VBI period decode data.............................................................................................................. 24
[7.12.] Output pin status ........................................................................................................................ 25
[7.13.] HD pin output.............................................................................................................................. 26
[7.14.] VD_F and VAR pin output selection ......................................................................................... 26
[7.15.] Output pin polarity ..................................................................................................................... 27
[7.16.] Phase correction ........................................................................................................................ 27
[7.17.] No signal output ......................................................................................................................... 28
[7.18.] Active video data start position ................................................................................................ 28
[7.19.] VLOCK mechanism .................................................................................................................... 29
[7.20.] Y/C separation............................................................................................................................. 29
[7.21.] EAV/SAV code ............................................................................................................................. 29
[7.22.] Output Interface.......................................................................................................................... 30
[7.22.1.] 656 interface ......................................................................................................................... 30
MS1179-E-00
AKM Confidential
-2-
2010/04