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CC3220SF 无法烧录或者串口连接

Other Parts Discussed in Thread: CC3220SF

Hi,

     我司新项目需要用到 CC3220SF ,参照 CC3220SF LAUNCHXL 新做了个 CC3220SF 测试板子。

     现在发现没法用 CC3220SF LAUNCHXL 上的 XDS110 或者串口连接新做的板子,工具用 UniFlash4.1.2.1329

     40M晶振起振波形良好,硬件测量电压基本与 CC3220SF LAUNCHXL 一致,如下:

VIN_IO1 3.3V
VIN_IO2 3.3V
VIN_DCDC_DIG 3.3V
VIN_DCDC_PA 3.3V
VIN_DCDC_ANA 3.3V
DCDC_ANA_SW 1.9V
VDD_ANA1 1.9V
LDO_IN1 1.9V
LDO_IN2 1.9V
DCDC_PA_OUT 0V
VDD_PA_IN 0V
DCDC_DIG_SW 1.2V
VDD_DIG1 1.2V
VDD_DIG2 1.2V
DCDC_ANA2_SW_P 1.6V
DCDC_ANA2_SW_N 1.6V
VDD_ANA2 3.2V
VDD_RAN 1.2V
VDD_PLL 0V