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我按照要求来做,但是呼吸信号就是出不来,不知道哪里出问题了?ADS1298R 评估板

Other Parts Discussed in Thread: ADS1298R

我按照要求来做,但是呼吸信号就是出不来,不知道哪里出问题了?谢谢  邮箱:chine3000@163.com  QQ:541621700

昨天,期待已久的ADS1298RECG-FE ECG PDK评估板到手了,我首先调的是呼吸部分,按照datasheet的要求,
1.确认跳线都在其Default位置;
2.将MMB0的J13A和J13B的跳线帽摘掉(这个一定要摘掉吗?);
3.安装软件,驱动也能自动识别并安装(DeviceID这些都没问题);
4.然后就是软件配置:
  .Configuration Register 4
  - Respiration Frequency to 32kHz
  .CHxSET registers
  - Normal Electrode
  - Gain to 6
  .RESP register set to:
  - Respiration Demodulation to Enabled
  - Respiration Modulation to Enabled
  - VREF to VREFP
  - Respiration Phase to 112.5 deg
  - Respiration Control to Internal Respiration with Internal Clock               
5.JP33和JP36都是默认的
6.Low Pass Filter 在Enable前打勾,并选择2Hz low-pass filter

 要补充的是,感觉TI挺不地道的,一根USB线都不带上。