您好的支持团队、
我启动并运行了 JMODE16。 我想知道如何配置 NCO、我尝试了以下顺序:
##基本配置 Jmode16.
写入寄存器:ADC12DJxx00.CONFIG_A[0x0]-[0xB0]
写入寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x0]
写入寄存器:ADC12DJxx00.CAL_EN[0x61]-[0x0]
写入寄存器:ADC12DJxx00.JMODE[0x201]-[0x10]
写入寄存器:ADC12DJxx00.KM1[0x202]-[0x9]
写入寄存器:ADC12DJxx00.JCTRL[0x204]-[0x1]
写入寄存器:ADC12DJxx00.OVR_N[0x213]-[0x7]
写入寄存器:ADC12DJxx00.SER_PE[0x48]-[0x3]
写入寄存器:ADC12DJxx00.CAL_EN[0x61]-[0x1]
写入寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x1]
写入寄存器:ADC12DJxx00.CAL_SOFT_TRIG[0x6C]-[0x0]
写入寄存器:ADC12DJxx00.CAL_SOFT_TRIG[0x6C]-[0x1]
##禁用 JESD
写入寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x0]
读取寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x0]
##配置 NCO0至400MHz@3200MSPS
写入寄存器:ADC12DJxx00.FREQB0_0[0x240]-[0x0]
写入寄存器:ADC12DJxx00.FREQB0_1[0x241]-[0x0]
写入寄存器:ADC12DJxx00.FREQB0_2[0x242]-[0x0]
写入寄存器:ADC12DJxx00.FREQB0_3[0x243]-[0x20]
读取寄存器:ADC12DJxx00.FREQB0_0[0x240]-[0x0]
读取寄存器:ADC12DJxx00.FREQB0_1[0x241]-[0x0]
读取寄存器:ADC12DJxx00.FREQB0_2[0x242]-[0x0]
读取寄存器:ADC12DJxx00.FREQB0_3[0x243]-[0x20]
##选择 NCO0预设
写入寄存器:ADC12DJxx00.CSEL[0x215]-[0x0]
读取寄存器:ADC12DJxx00.CSEL[0x215]-[0x0]
##启用 JESD
写入寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x1]
读取寄存器:ADC12DJxx00.JESD_EN[0x200]-[0x1]
此订单是否正确? 我是否需要打开 DDC 增益升压?
此致
Joseph