1MCU1052晶振选型：343231DACVDD30DACL29DACR28TEST627AUXLTEST726AUXRTEST825AUX_DETTEST9105封装：兼容3225，M49S，HC49S等封装 要求：稳定性、一致性要好，频偏偏差：±10PPM以内SPI_CSSPI_DIC2C3U2W25X10+3.3VSPI_CLKSPI_DO105C9C10功放电路MUTER1R2104R3R4C111k10k22K22KDBT20261C1105+3.3V2SPI_DO3SPI_CLK4SPI_CS5雷达感应6检测到高电平时插播提示音7IRTEST580U1电容：晶振匹配电容位置请预留+3.3V18CS/VCC27SOHOLD/36WP/SCK45GNDSIVCOMDACVDDDACLDACRMIC/PA0ADC0/PA3WM1/PA4ADC2/PA5U41CTRL2NC3INP4INNHX81101067GND6VDD8VOP5VONC19VCC12VD104DACL104DACRSPK30W/4ΩPB0VBATRTCVDDPR1/ADC12PR2/ADC12BT_AVDDBT_RFFMIPDACVSSVDDIOPB5/SD0CLKPB4/SD0CMDPB3/SD0DATPB6/AUX2LPB2PB1/ADC7PGNDUSBDPADC11/USBDMPWMH1H/PC1ADC10/SD1DAT/PC3ADC4/SD1CMD/PC4PWMH1L/SD1CLK/PC5BT_OSCOBT_OSCI24USBDP23USBDM22MUTE21TEST120TEST219TEST31817一定要预留测试点接线顺序：GND、DP、DM、VCCC12Y1CON112345678910TEST1TEST2TEST3TEST4TEST5TEST6TEST7TEST8TEST9接口电路红外接收头IR1IR+3.3VAUXLAUXRAUX_DET外音频输入R53KC13C14104104QQ:29839136424MBT_ANT1123AUX1TEST4VMCUC4105C5105B_LEDAD_KEYC6105C910111213141516R63KC红外感应接口雷达感应播放指示灯B_LEDR81KRED1C212P7工作电压5.0VVMCU123按键电路说明：104C15104C16104C17104C18雷达感应电路调这个电阻可以改变感应距离VCC12VU5LM7805１、如果要做按键分离，放在主板一边R11上拉电阻最好２、AD_KEY走线远离音频线和数据线3、电阻阻值尽量按我的来设计４、按键功能定义还可以多加GNDVMCU104106C253VOUTVIN1106C26D14001DC112BBR12330k无感应输出电压为4.3V有感应输出电压为2.5V做上电开机功能AD_KEYC24R1422KPP1+3.3VQ1C22调这个电阻可以改变延时时间105R130RR73KR216K2R2024KUSB11234VMCUUSBDM105USBDP发射天线R91K1KC20106VMCUC7PREV/VOL-12R220R5k1U3R17R16203NEXT/VOL+1MODE1R10C23R15C2710K1OUT12IN-3VC4A8VDD7CT6OUT5GNDR19C28R111k雷达感应项目日期版本HX801雷达感应语音播报器VMCUR18A2018.06.08V14RED2RED3NCC8A芯片工作电压最高是6.0V1驱动大电流时要外挂MOS或者三极管2U盘电路3
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