Jon Povey wrote:
Since then I have also tested the latest GIT version under (virtual)
linux, and also the latest git version build with FTDI's drivers
instead of libftdi. All combinations show the same random errors.
Also tried at a range of different JTAG clock speeds, makes no
difference.
Signal rise time troubles are related to the IO port current ! Amontec
JTAGkey Tiny uses VREF to power his JTAG IO port ( TCK, TMS, TDI, SRST_N
and TRST_N signals ).
How did you connect the VREF pin1 and the GND pin20 of the Amontec
JTAGkey Tiny ? follow these rules :
1. The VREF pin1 of the
Xiaofan Chen wrote:
On Thu, Apr 22, 2010 at 6:38 PM, Jon Povey
jon.po...@racelogic.co.uk wrote:
I have switched from running OpenOCD on Linux inside VirtualBox, to
running it natively on XP. I have not been able to reproduce the
situation that needed the JTAGKey-Tiny to be replugged, but I
After my earlier emails I have been trying to narrow things down a bit.
I have switched from running OpenOCD on Linux inside VirtualBox, to running it
natively on XP. I have not been able to reproduce the situation that needed the
JTAGKey-Tiny to be replugged, but I still get random
On Thu, Apr 22, 2010 at 6:38 PM, Jon Povey jon.po...@racelogic.co.uk wrote:
After my earlier emails I have been trying to narrow things down a bit.
I have switched from running OpenOCD on Linux inside VirtualBox, to running it
natively on XP. I have not been able to reproduce the situation