Hi PGO,
Thank you for your instructions.
I have successfully made a USBDM according to your files named USBDM_SWD_SER_JS16CWJ_V3_1. on https://sourceforge.net/projects/usbdm/files/Version%204.12.1/Hardware/
Now , I am studying the firmware code , can you explain the firmware code's in word?
for example
Code：S0880000433A5C55736572735C706F646F6E6F676875655C446F63756D656E74735C446576656C6F706D656E745C555342444D5C757362646D2D63772D6669726D776172655C555342444D5F4A4D78785F56345F31325C555342444D5F5357445F5345525F4A53313643574A5C555342444D5F5357445F5345525F4A53313643574A5F56342E70726DF6
Explaination：
C:\Users\podonoghue\Documents\Development\USBDM\usbdm-cw-firmware\USBDM_JMxx_V4_12\USBDM_SWD_SER_JS16CWJ\USBDM_SWD_SER_JS16CWJ_V4.prm
S123C0008B899EFE05F6AF019EFF05888A81A7FCC6C0854C95E701C6C0844CF732C0862030
S123C0201F898BF687E6024C9EE706E603EE018A4C20037FAF014BFB9E6B05F78A88AF047D
S123C0409E6B02DD9E6B01D932C088898BADB1974C9EE703ADAA4C9EE7044A2603510018B2
S123C060AD9E878AAD9A972005AD95F7AF019E6B04F79E6B03F320D5A7068145013E94AD89
S123C0808DCCF79D0004C08AFADB0080004A00D0000A013E00B818600100CA8FCA90CAAA51
S123C0A0CAC80000000000007101000000C4020000012203000001950101010237020201B5
