广州唯创电子有限公司
WTH040 语音芯片使用资料
WTH040 语音芯片使用资料
目 录
1,产品特点 ......................................................................................................................................................................................................................... 3 2,芯片选型 ......................................................................................................................................................................................................................... 3 3,应用范围 ......................................................................................................................................................................................................................... 3 4,管脚图 ............................................................................................................................................................................................................................. 3 4.1,WTH040-8S .................................................................................................................................................................................................... 3 4.2,WTH040-16S .................................................................................................................................................................................................. 4 5,电气参数 ......................................................................................................................................................................................................................... 5 6,控制模式 ......................................................................................................................................................................................................................... 5 6.1,按键控制 ........................................................................................................................................................................................................... 5 6.2,一线串口控制 ................................................................................................................................................................................................... 7 6.3,两线串口控制 ................................................................................................................................................................................................... 7 6.3.1,发送地址命令 ...................................................................................................................................................................................... 7 6.3.2,读取芯片工作状态 .............................................................................................................................................................................. 8 6.3.3,控制命令 .............................................................................................................................................................................................. 8 6.3.4,语音地址 .............................................................................................................................................................................................. 8 7,复位及输出状态 ............................................................................................................................................................................................................ 9 7.1,复位 .................................................................................................................................................................................................................... 9 7.2,输出状态 ........................................................................................................................................................................................................... 9 8,应用电路 ......................................................................................................................................................................................................................... 9 8.1,按键控制模式应用电路 .................................................................................................................................................................................. 9 8.1.1,WTH040-8S 按键控制(DC3V 供电,PWM 输出) ................................................................................................................ 9 8.1.2,WTH040-8S 按键模式(DC3V 供电,DAC 输出外接三极管) .......................................................................................... 10 8.1.3,WTH040-8S 按键模式(DC3V 供电,DAC 输出外接功放) .............................................................................................. 10 8.1.4,WTH040-8S 按键模式(DC5V 供电,PWM 输出) ............................................................................................................. 10 8.1.5,WTH040-8S 按键模式(DC5V 供电,DAC 输出外接三极管) .......................................................................................... 11 8.1.6,WTH040-8S 按键模式(DC5V 供电,DAC 输出外接功放) .............................................................................................. 11 8.1.7,WTH040-16S 按键模式(DC3V 供电,PWM 输出) .......................................................................................................... 11 8.1.8,WTH040-16S 按键模式(DC3V 供电,DAC 输出外接三极管) ........................................................................................ 12 8.1.9,WTH040-16S 按键模式(DC3V 供电,DAC 输出外接功放) ............................................................................................ 12 8.1.10,WTH040-16S 按键模式(DC5V 供电,PWM 输出) ........................................................................................................ 12 8.1.11,WTH040-16S 按键模式(DC5V 供电,DAC 输出外接三极管) ..................................................................................... 13 8.1.12,WTH040-16S 按键模式(DC5V 供电,DAC 输出外接功放).......................................................................................... 13 8.2,一线串口控制模式应用电路 ....................................................................................................................................................................... 13 8.2.1,WTH040-8S 一线串口模式(MCU 为 DC3V 供电,PWM 输出) .................................................................................... 13 8.2.2,WTH040-8S 一线串口模式(MCU 为 DC3V 供电,DAC 输出外接三极管) .................................................................. 14 8.2.3,WTH040-8S 一线串口模式(MCU 为 DC3V 供电,DAC 输出外接功放) ...................................................................... 14 8.2.4,WTH040-8S 一线串口模式(MCU 为 DC5V 供电,PWM 输出) .................................................................................... 14 8.2.5,WTH040-16S 一线串口模式(MCU 为 DC5V 供电,DAC 输出外接三极管) ............................................................... 15 8.2.6,WTH040-16S 一线串口模式(MCU 为 DC5V 供电,DAC 输出外接功放) ................................................................... 15 -第 1 页-

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