用J-Falsh连接不上LPC824M错误信息如下
Connecting ...
- Connecting via USB to J-Link device 0
- Target interface speed: 2000 kHz (Auto)
- VTarget = 3.300V
- Executing init sequence ...
- Initialized successfully
- Target interface speed: 2000 kHz (Auto)
- ERROR: Could not detect CPU clock speed. Verification of test code downloaded into RAM failed.
- ERROR: Failed to measure CPU clock frequency
- ERROR: Failed to connect.
Could not determine CPU clock frequency.