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ADS1192 采集心电频繁丢失R波

Other Parts Discussed in Thread: ADS1192

请教个各位大神或者TI的FAE。

最近用ADS1192设计了一块板子,用来采集心电信号,使用channel 1, 采集到的信号基本正常,但是经常的丢失R波。例如下图,采集一段心电信号中,一半以上的R波都丢失了,但是其他波形好像影响不大,实在不知道为什么。与配置相关吗?我把我的寄存器配置也贴出来。

寄存器配置如下:

writeRegister(0x41,0x02);

writeRegister(0x42,0xb0);

//lead off detection
writeRegister(0x43,0x11);


writeRegister(0x44,0x60);


writeRegister(0x45,0x60);
writeRegister(0x46,0x21);
//
writeRegister(0x47,0x00);
writeRegister(0x48,0x00);

writeRegister(0x4A,0x82);
writeRegister(0x4B,0x00);

多谢大家!