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标题: TDA9370引脚功能与电压参数 [打印本页]

作者: 465dd4 时间: 2011-5-11 06:32
标题: TDA9370引脚功能与电压参数
引脚符号功能说明电压（V）在路电阻（KΩ）黑笔地红笔地1STANDBY待机控制3.67.0162SCL时钟线输入/输出3.66.5283SDA数据线输入/输出3.26.6284VT调谐器电压输出2.68.1285SYSTEMP/N制式控制3.68.1+∞6KEY0按键矩阵端口3.47.821.87KEY1按键矩阵断口3.47.821.88VOL音量控制0.57.514.59VSS地00010BAND1波段控制14.96.821.511BAND2波段控制206.822.512VSSA地00013SECPLL环路滤波2.31015.514VP2+8V7.82.42.415DECDIG外接电容滤波端5.07.513.516PH2LF相位2检波2.71015.817PH1LF相位1检波2.71016.418GND3地00019DECBG外接电容滤波端4.09.01320AVL音頻L输出01015.821VDRB场激励输出B0.81.81.822VDRA场激励输出A0.81.81.823IF1中频信号输入11.91014.224IF2中频信号输入21.91014.225IREF场锯齿波时间常数设定3.810.214.526VSC场锯齿波时间常数设定2.61015.827RF-AGC高放AGC控制4.09.511.828AUDEEM/SIF1伴音1输出3.19.815.429DECSDDEM/SIF2伴音2输出2.410.115.830GND地00031SNDPLL/SIF AGC 音频锁相环/伴音AGC控制2.01015.832AVL/REF音频L/R输入端口09.815.433H-OUT行激励输出0.51.41.434FBISO行脉冲输入0.59.51435AUDEXT/QSSQ外部音频输入3.210.516.136EHTO极高压检测端口1.68.113.837PLLIFIF锁相环2.4101638IFVO/SVO视频输出3.21011.839VP1+8V供电7.82.32340CVBSNT复合全电视信号入3.51016.141GND1地00042CVBS/Y复合视频/亮度信号输入3.2101643CHROMA色度信号输入1.010.215.544AUDIOUT/AOUT音频输出3.410.516.545INSSW2输入开关控制21.87.57.846R2/VINR2/V输入2.410.116.547G2/YING2/Y输入2.410.116.548B2/UINB2/U输入2.410.116.549BCL/IN自动亮度控制输入2.49.815.550B1anking黑电平控制6.09.81551Rout红基色输出2.61.41.452Gout绿基色输出2.81.41.453Bout蓝基色输出2.81.41.454VddA+3.3V供电3.55.110.255VPE地00056Vddc+3.3V3.55.110.257OSCGND地00058XTAL in 12MHZ振荡输入0.86.83059XTAL out 12MHZ振荡输出1.86.821.560RESET复位端口06.822.561Vddp+3.3V供电3.65.21062AV1AV1/TV/S-V切换控制5.17.41263AV2AV2/TV/S-V切换控制5.17.41264IR in 遥控信号输入4.48.1+∞

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