In PuTTY, you can use the key combination of CTRL+Break. If the standard break sequences do not work, you can try the special commands: right click on the header of putty / Special Commands / Break. So the controller will not hear the correct start of the package and not-acknowledge this packet with the same ID. Standard Break Key Sequence Combinations During Password Recovery. When the controller has finished the storage of the received data, it listens again on the serial line. If the ACK does not appear within a certain time, teraterm resends the packet. After this the controller sends an ACK to Teraterm. The reception part is still working fine when i type in any character I can see the MCU receiving it. Ever since, when I want to run the same AN2883 program it prints garbage on tera term. I tested my hardware with the CMX lite USB mass storage program. Teraterm sends the first packet, the embedded device controller has to store this data in its flash memory (this time varies from device to device and may take some 1/100 seconds ). Hello, I have the EVB51JM128 board and was running the AN2883 (SCI application) no problem. Time out of Teraterm, until the packet is resent again! So I analyzed the problem, and I assume it has to do with the time needed for processing the data in the embedded device and the With Hyperterminal this problem did not occur. Recently I also noticed some problems with X-Modem/CRC, when I tried to download a firmware update file to an embedded device.
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