USB to ttl keeps showing that the target MCU is being detected...

Others 2021-01-28 13:53:01 views: null

USB to ttl always shows that the target MCU is being detected...

Chip: STC51F204EA
interface PCB: (5 interfaces)
Insert picture description here
Connection:

Solution:
1. The MCU power supply needs to be connected to the USB 5V interface
2. The minimum baud rate is adjusted to 1200, and the highest baud rate is adjusted to the maximum
3. Cold start: After clicking the download button, disconnect the GND line and connect it again

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Origin blog.csdn.net/weixin_44026026/article/details/112032650

USB to ttl keeps showing that the target MCU is being detected...

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