LA76818 Просмотр технического описания (PDF) - Unspecified
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LA76818 Datasheet PDF : 45 Pages
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Technical Note of LA76818
2002/01/23
LA76818 Application Note
Ver.e1(2002.1.22)
Table of Contents
TABLE OF CONTENTS...........................................................................................................................................1
THE BUS CONTROL FUNCTIONS OF LA76818 (TENTATIVE).............................................................................2
STATUE REGISTER OF LA76818............................................................................................................................15
PIN 2 (FM OUTPUT )...............................................................................................................................................16
PIN 3 (IF AGC FILTER)........................................................................................................................................17
PIN 4 (RF AGC OUTPUT)..................................................................................................................................18
PIN 5,6 (PIF AMP INPUT)..................................................................................................................................19
PIN 7 (IF GROUND) ............................................................................................................................................20
PIN 8 (IF VCC) .......................................................................................................................................................20
PIN 9 (FM FILTER)..............................................................................................................................................20
PIN 10 (AFT OUTPUT).......................................................................................................................................21
PIN 11 (BUS DATA).............................................................................................................................................21
PIN 12 (BUS CLOCK).........................................................................................................................................22
PIN 13(ABL) ..........................................................................................................................................................22
PIN 14, 15, 16 (R, G, B INPUT).........................................................................................................................23
PIN 17(FAST BLANKING INPUT) ..................................................................................................................23
PIN 18(RGB VCC).................................................................................................................................................24
PIN 19, PIN 20, PIN 21(R, G, B OUTPUT) .....................................................................................................25
PIN 22(FSC OUTPUT OR C-SYNC. OUTPUT ).........................................................................................................26
PIN 23 (VERTICAL OUTPUT)..........................................................................................................................26
PIN 24 (V RAMP ALC FILTER)........................................................................................................................27
PIN 25 (HORIZONTAL / BUS VCC).................................................................................................................28
PIN 26(AFC FILTER)...........................................................................................................................................28
PIN 27 (HORIZONTAL OUTPUT) ...................................................................................................................29
PIN 28 (FBP INPUT)............................................................................................................................................30
PIN29 (I REFERENCE )............................................................................................................................................31
PIN 30 (4MHZ CLOCK OUTPUT)....................................................................................................................32
PIN 31( CCD VCC) ................................................................................................................................................32
PIN 32( CCD FILTER) .........................................................................................................................................33
PIN 33(CCD & DEFLECTION GDN) ..............................................................................................................33
PIN 34,35 (SECAM INPUT OR CBCR INPUT)................................................................................................33
PIN 36 (CHROMA APC2 FILTER)...................................................................................................................34
PIN 37(CLAMP FILTER) ....................................................................................................................................34
PIN 38(4.43MHZ CRYSTAL)..............................................................................................................................34
PIN 39(CHROME APC1 FILTER).....................................................................................................................35
PIN 40(SELECTED VIDEO OUTPUT)...........................................................................................................35
PIN 41(VIDEO CHROME DEFLECTION GND).....................................................................................................35
PIN 42(EXT VIDEO INPUT & Y INPUT IN S-VHS MODE)......................................................................36
PIN 43(VIDEO CHROME DEFLECTION VCC)...........................................................................................36
PIN 44(INT. VIDEO INPUT & CHROME SIGNAL INPUT IN S-VHS MODE)....................................36
PIN 45(BLACK STRETCH FILTER)................................................................................................................37
PIN 46 (VIDEO OUTPUT)..................................................................................................................................37
PIN 47 (VCO FILTER)...........................................................................................................................................38
PIN 48, 49 (VCO COIL).......................................................................................................................................38
PIN 50 (PIF APC FILTER) ..................................................................................................................................39
PIN 51 (EXT AUDIO INPUT)............................................................................................................................40
PIN 52 (SIF OUTPUT).........................................................................................................................................40
PIN 53 (SND APC FILTER)................................................................................................................................41
PIN 54 (SIF INPUT)..............................................................................................................................................41
LA76818 PIN ASSIGNMENT .................................................................................................................................42
LA76818 BUS CONTROL RESISTOR BIT ALLOCATION MAP ...........................................................................43
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