CC3200生产用CCS UniFlash烧录不成功，找不到硬件，不良率高达10%
你好，我这有一批用CC3200的产品，现在才烧录了40PCS，就有4PCS烧录不进去的，不断要求复位，烧录软件最后显示的找不到硬件，。
检测测到硬件上的SOP2脚电压约为0.6V（3.3V供电，正常板子约为3.0V），此脚无法拉高配置为SOP[2:0]=100，无1.2V，晶振不起振。这CC3200是损坏了吗？损坏原因是什么？为什么会有这么多不良的？
进货渠道有问题吧，可以直接在ti.com下单购买的，直接美国发货，应该更靠谱。
CC3200芯片在进行SPI烧录过程中如有无法烧录的，先用下载软件Uniflash进行Format格式化一次SPI Flash芯片，然后再次进行烧录下载程序，
无法格式化，不断要求复位，不按最后显示无法找到硬件。烧录过程如下，有什么方法可以避免或降低不良率吗？
[15:40:30] INFO: detecting FTDI for device reset
[15:40:30] ERROR: No device USB ports were found
[15:40:30] INFO: --- please restart the device ---
[15:40:45] ERROR: ---reading ACK signal failed---
[15:40:45] WARNING: ---seting break signal to false failed---
[15:40:47] INFO: setting break signal
[15:40:48] INFO: detecting FTDI for device reset
[15:40:48] ERROR: No device USB ports were found
[15:40:48] INFO: --- please restart the device ---
[15:41:03] ERROR: ---reading ACK signal failed---
[15:41:03] WARNING: ---seting break signal to false failed---
[15:41:05] INFO: setting break signal
[15:41:06] INFO: detecting FTDI for device reset
[15:41:06] ERROR: No device USB ports were found
[15:41:06] INFO: --- please restart the device ---
[15:41:12] Cancelling current process <GetVersion>, please wait...
[15:41:21] ERROR: ---reading ACK signal failed---
[15:41:21] WARNING: ---seting break signal to false failed---
[15:41:24] INFO: setting break signal
[15:41:25] INFO: detecting FTDI for device reset
[15:41:25] ERROR: No device USB ports were found
[15:41:25] INFO: --- please restart the device ---
[15:42:11] Begin Format operation.
[15:42:12] INFO: > Executing Operation: Connect
[15:42:14] INFO: setting break signal
[15:42:15] INFO: detecting FTDI for device reset
[15:42:15] ERROR: No device USB ports were found
[15:42:15] INFO: --- please restart the device ---
[15:42:30] ERROR: ---reading ACK signal failed---
[15:42:30] WARNING: ---seting break signal to false failed---
[15:42:32] INFO: setting break signal
[15:42:33] INFO: detecting FTDI for device reset
[15:42:33] ERROR: No device USB ports were found
[15:42:33] INFO: --- please restart the device ---
[15:42:36] Cancelling current process <Format>, please wait...
[15:42:48] ERROR: ---reading ACK signal failed---
[15:42:49] WARNING: ---seting break signal to false failed---
[15:42:51] INFO: setting break signal
[15:42:52] INFO: detecting FTDI for device reset
[15:42:52] ERROR: No device USB ports were found
[15:42:52] INFO: --- please restart the device ---
Jang 你好，
1. 核查一下您的进货渠道， TI的CC3200 Launchpad每一块都是经过PLT流程测试通过的；
2. 你是使用的CC3200 Launchpad还是自己制作的板子？如果是CC3200 Launchpad，你可以更新一下板载FTDI的固件，再试一下。如果是自己制作的板子，建议检查一下你的电源，看是否稳定。
3. 当板子连接到电脑后，查看电脑的设备管理器，看有没有设备连上，若Ports没有反应，则说明是下载口的问题；如果Ports显示设备连接正常，而只是SOP2脚电压不正确，则需要检查你的硬件电路和CC3200的电源是否正常。
我们原来也是同样的问题，应该是电源供电不稳造成的，请检查一下供电系统，最好使用示波器观看下电源在在下载时的波形，芯片一般不会有问题的，不要老是怀疑芯片质量问题，很可能是硬件设计不规范造成的。硬件确定没有问题话请检查下下载操作步骤。步骤在附件中。还有一点忘了说，sop电路一定按照官方提供电路，不要想当然的更换电阻，会造成下SOP配置不正常的现象，不能按照用户的设定进行引导。
您好，请问您关于CC3200的问题解决了吗，我遇到类似的问题！确定了是您的芯片有问题吗？