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You master, as shown in figure usb TTL to modem SB5101e for connection?
#8
(08-01-2013, 12:09 PM)yhrlive Wrote:
(08-01-2013, 11:49 AM)drewmerc Wrote: could be a silent bootloader, just jtag the damn thing

What do you mean? What should I do?

(08-01-2013, 11:49 AM)drewmerc Wrote: could be a silent bootloader, just jtag the damn thing

Thank you very much for your help
Just tested usb - TTL not bad, can be connected right way?

looks like you have the rx and tx connected backwards. the rx on the serial cable should be wired to the tx on the board and the tx on the cable should be wired to the rx on the board... if you don't have noisy bootloader all this won't work so you'll end up having to jtag it anyway. ...however if you do have noisy bootloader try rewiring correctly, make sure baud, parity, flow control set-up and see if works.
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RE: You master, as shown in figure usb TTL to modem SB5101e for connection? - by newbie888 - 09-01-2013, 08:46 AM

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