jtag
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| jtag [2017/03/30 15:46] – add BMP kingkevin | jtag [2017/03/30 16:02] – [Black Magic Probe] note kingkevin | ||
|---|---|---|---|
| Line 220: | Line 220: | ||
| | GND | 7 | 8 | JTDO/ | | GND | 7 | 8 | JTDO/ | ||
| | TX | 9 | 10 | JTDI | | | TX | 9 | 10 | JTDI | | ||
| + | |||
| + | **note**: the RX pin is pulled up by a 620 ohms resistor. Thus the TX connected to BMP Baite must by strong enough to drive it low (e.g. not like with the CH340 USB to UART converter). | ||
| If you connect SRST to the target NRST, it is even possible to reset the target board without having to press on the on-board reset button (of there is any): | If you connect SRST to the target NRST, it is even possible to reset the target board without having to press on the on-board reset button (of there is any): | ||
jtag.txt · Last modified: 2024/01/07 17:49 by 127.0.0.1