TI中文支持网以下是错误信息：
[12:34:36] INFO: > Executing Operation: Disconnect
[12:34:36] Operation ServicePackProgramming returned.[12:56:52] Begin GetVersion operation.
[12:56:52] INFO: > Executing Operation: Connect
[12:56:54] INFO: setting break signal
[12:56:55] INFO: detecting FTDI for device reset
[12:57:10] ERROR: —reading ACK signal failed—
[12:57:11] WARNING: —seting break signal to false failed—
[12:57:13] INFO: setting break signal
[12:57:14] INFO: detecting FTDI for device reset
[12:57:29] ERROR: —reading ACK signal failed—
[12:57:29] WARNING: —seting break signal to false failed—
[12:57:31] INFO: setting break signal
[12:57:32] INFO: detecting FTDI for device reset
[12:57:48] ERROR: —reading ACK signal failed—
[12:57:48] WARNING: —seting break signal to false failed—
[12:57:50] INFO: setting break signal
[12:57:51] INFO: detecting FTDI for device reset
[12:58:01] ERROR: —reading ACK signal failed—
[12:58:01] WARNING: —seting break signal to false failed—
[12:58:01] FATAL: — Can't connect to device !! —
[12:58:03] FATAL: Error connecting to the device. Please check your COM port settings. Error code: -3
[12:58:03] INFO: > Executing Operation: Disconnect
[12:58:03] Operation GetVersion returned.[12:58:07] Begin ServicePackProgramming operation.
[12:58:07] INFO: > Executing Operation: Connect
[12:58:09] INFO: setting break signal
[12:58:11] INFO: detecting FTDI for device reset
[12:58:26] ERROR: —reading ACK signal failed—
[12:58:26] WARNING: —seting break signal to false failed—
[12:58:28] INFO: setting break signal
[12:58:29] INFO: detecting FTDI for device reset
[12:58:44] ERROR: —reading ACK signal failed—
[12:58:45] WARNING: —seting break signal to false failed—
[12:58:47] INFO: setting break signal
[12:58:48] INFO: detecting FTDI for device reset
[12:59:03] ERROR: —reading ACK signal failed—
[12:59:03] WARNING: —seting break signal to false failed—
[12:59:05] INFO: setting break signal
[12:59:06] INFO: detecting FTDI for device reset
[12:59:22] ERROR: —reading ACK signal failed—
[12:59:22] WARNING: —seting break signal to false failed—
[12:59:22] FATAL: — Can't connect to device !! —
[12:59:28] FATAL: Error connecting to the device. Please check your COM port settings. Error code: -3
[12:59:28] INFO: > Executing Operation: Disconnect
[12:59:28] Operation ServicePackProgramming returned.
因为之前板子上的CC3200有问题，我就买了一块3200替换掉之前那块了，然后就问题来了，挺多人遇到这种问题，尤其是自己做的PCB，我只是替换了开发板上的芯片，求解
Yue TANG：
是开发板没问题，然后你替换了一颗芯片就有问题吗？ 一般这个问题，你需要按下复位键，就是说下载时需要按下复位按钮。
Jun Liu11：
回复 Yue TANG:
下载和调试部分电路是没问题的，我试过用JTAG接口去接其他开发板的JTAG，是可以下载和调试的，可能是芯片焊接问题吧
gaoyang9992006：
e2echina.ti.com/…/168620
答案在这，需要最左边的一个跳冒弄到SOP2位置就行了
