HI Shine,
1.现在我们板子的状态就是SPI0接口挂了一个nor flash，量测DSP的发给flash的clk，MOSI，CS都是正常的，就是flash给DSP的返回值是FF，这个现象会和我选择的flash有关吗？我的flash的型号是GD25S512MDYIGR，规格书在附件中，能帮忙看下吗？谢谢 GD25S512MDFIG.pdf
Hello Chen,
I assume you have monitored the output of SRC and you see it is giving 44.1K not 48K.
There are bits that need to be set in some registers such as :
Register 07: Transmitter Control Register 1 bits TXDIV[1:0] that are used to select the Transmitter…
Part Number: TLV320AIC3206 Set the contents of the voice data to 0, the Voice data is transmitted to TLV320AIC3206 DAC. but we measured 100mv of noise on the HPL.Because the data parts are all zeros, so we can't understand why there's noise。We want to…
手册上是这样解释的：
If the I AV(dem) signal increases, for example in response to an AC line voltage or load change then the average output of the A1 amplifier initially decreases by the same amount. The PWM duty cycle, and inductor current, will then increase because…
