CXA2130S集成电路功能资料，请问那个脚是保护脚呀
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[color=Red]CXA2130S为色度、行场扫描信号处理集成电路 1.BYPASS 2.C1IN 3.ABL IN 4.Y1IN 5.VSAW 6.MON OUT 7.COMBC IN 8. Y CLAMP 9.COMBY IN 10.GND 11. E/W 12.IREF 13.VD+ 14.VD- 15.VM OUT 16.FILTER 17.SSCP 18.HP/PROTECT(行保护） 19. HD OUT 20.AFC FILTER 21. IK IN 22. R OUT 23. G OUT 24. B OUT 25. YS IN 26. B IN1 27.G IN1 28. R IN1 29.YS2/Ym 302 31. GIN2 32. RIN2 33.VCC 34. SCL 35 .SDA 36. YUV SW 37. EY IN 38.ERY IN 39. EBYIN 40. GND 41. VCR/FRIN 42. ABL FILTER 43.TVIN 44.SECAM 45. APC FILTER 46. XTAL 47. XTAL 48XTAL
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游客，您好 
