Ensure the USB-to-TTL adapter jumper is set to , not 5V. Check the pinouts: Adapter TX →right arrow STB RX Adapter RX →right arrow STB TX Adapter GND →right arrow STB GND
: This suggests the STB's input buffer for serial data is overflowing or has locked up because it is receiving data it doesn't recognize, or it isn't processing the incoming data fast enough. STMicroelectronics Community Most Common Causes & Solutions Based on troubleshooting guides from platforms like the STMicroelectronics Community Ensure the USB-to-TTL adapter jumper is set to , not 5V
Match the (Baud Rate) to your tool's exact configuration (typically 115200 or 57600 ). Ensure the USB-to-TTL adapter jumper is set to , not 5V
Ensure the USB-to-TTL adapter jumper is set to , not 5V. Check the pinouts: Adapter TX →right arrow STB RX Adapter RX →right arrow STB TX Adapter GND →right arrow STB GND
: This suggests the STB's input buffer for serial data is overflowing or has locked up because it is receiving data it doesn't recognize, or it isn't processing the incoming data fast enough. STMicroelectronics Community Most Common Causes & Solutions Based on troubleshooting guides from platforms like the STMicroelectronics Community
Match the (Baud Rate) to your tool's exact configuration (typically 115200 or 57600 ).
