(adc_r1_mode==1'b1) begin adc_valid <=rx_valid_r1; adc_data_i1 <=rx_data_i_r1; adc_data_q1 <=rx_data_q_r1; adc_data_i2 <=12'd0; adc_data_q2 <=12'd0; adc_status <=~rx_error_r1; end else begin adc_valid <=rx_valid_r2; adc_data_i1 <=rx_data_i1_r2; adc_...
如果这个配置错误会导致现象就是ADC的valid信号恒为0,且数据接口也没有数据。但是如果直接使用ILA去抓取内部的IDDR的输出,是有数据的。这是因为由于PCB布线路径不相同的问题,或者说使用AD9361提供的数据时钟作为FPGA数据时钟的时候相位不是理想的。总之就是因为时钟和数据接口边沿偏差造成的采样结果发生的变化。举个例子...
(TX Monitor) 17 Baseband TX Analog Filter Calibration 8 RX RSSI 17 Baseband TX Secondary Filter 9 RX GM / LNA Gain Step Calibration 18 RX TIA Calibration Equations 10 TX Power Out Vs TX Attenuation and TX Power Out Vs RX ADC Setup 12 Carrier Frequency 18 Baseband DC Offset Calibration 13...
adc_enable_*outputIf set, the channel is enabled (one for each channel) adc_valid_*outputIndicates valid data at the current channel (one for each channel) adc_data_*output[15:0]Received data output (one for each channel) adc_dovfinputData overflow, must be connected to theDMA ...
AD9361辅助ADCDAC通常接口温度传感器
Valid range 0.2MHz to 28MHz. For more accurate equation calculation, derive this value from the nominal RXBBF tune corner using this equation. (2) ? ? × ln? (0 18) ? ? 1.4 × 2 Table 14: Functions used in the RX ADC Equations rxbbf_c3_msb rxbbf_c3_lsb rxbbf_r2346 The RX ...
SPI Write 1D 0 Enable AuxADC and set decimation to 256 SPI Write 35 1E Select AuxADC valid on control out [0] SPI Write 36 FF Enable all control out pins Table 1 Example Code for AuxADC set up AuxADC: Internal Temperature Sensor Auto measurement The AuxADC can also be used ...
ADC Setup Once Manual LUT or equations update when ADC sampling rate changes 9 Baseband DC Offset Once 0 x016 0 Self clears when done 10 RF DC Offset Any time LO Frequency changes more than 100 MHz 0 x016 1 Self clears when done 11 RX Quadrature Calibration Any time LO Frequency ...
(Rx VCO Calibration States) 13 0x035 = 0x1E (Gain Control, Temp Sense Valid, AuxADC Valid) 13 0x035 = 0x1F (Gain Control) 13 Page 2 of 13 ADI Confidential AD936x Control Output User Guide REVISION HISTORY 10/2011—v2.0C Release GENERAL DESCRIPTION The AD9361 provides real-time ...
support ---> --- Industrial I/O support -*- Enable ring buffer support within IIO -*- Industrial I/O lock free software ring -*- Enable triggered sampling support *** Analog to digital converters *** [--snip--] <*> Analog Devices AD9467 AD9643 High-Speed AXI ADC driver [--snip-...