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#apertus IRC Channel Logs

2015/05/05

Timezone: UTC


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06:32
Bertl_oO
off to bed now ... have a good one everyone!
06:33
Bertl_oO
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Francky
hi
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Bertl_zZ
changed nick to: Bertl
12:25
Bertl
morning folks!
12:29
Francky
hi Bertl
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13:14
Francky
Bertl > i have a question about Beta
13:15
Francky
i watch the boards, and it seems that you have routed the 64 lvds output of the CMV12000 on the sensor board
13:18
Francky
no in fact i don't have any question :)
13:18
Francky
i saw that you select only 1 lvds pair on 2 in the interface board, so you connect only 32 lvds lines to the microzed
13:20
Bertl
correct :)
13:21
Bertl
sensor boards support up to 80 LVDS channels plus a number of GPIOs
13:21
Bertl
where the LVDS channels can be used as GPIO as well, within the voltage ranges
13:22
Francky
i looked for the place where you made the conversion between 64 lvds to 32 lvds, but in fact you just use only 32 lvds of the sensor, no convertion
13:22
Bertl
with the "dummy" interface board, no conversion ATM, that's correct (i.e. that's why it is called "dummy")
13:23
Francky
and you planned to put the hdmi output on a board connected to PCIE connectors ?
13:24
Bertl
correct, the PCIe interfaces are dedicated for high speed I/O
13:24
Bertl
you can see the HDMI plugin board on some of the images
13:25
Bertl
http://media3.film-tv-video.de/pics/B_NAB_Axiom_Beta_2.jpg
13:25
Bertl
here for example
13:25
Francky
the only restriction is that the voltage must be the same between lvds and high speed IO ?!
13:25
Francky
great picture :)
13:26
Bertl
yes, where high speed I/O also uses LVDS for software reasons
13:26
Bertl
yeah, they made nice images, here from the other side:
13:26
Bertl
y question :)
13:26
Bertl
http://media3.film-tv-video.de/FTP/Autor4/B_NAB_Axiom_Beta_1.jpg
13:27
Bertl
my copy'n'paste seems to be deteriorating
13:29
Francky
the mouted beta looks good for hobbyist
13:29
Francky
it is clean, easy to hack on or other board
13:29
Francky
your ideas are good to make severals board
13:30
Bertl
thanks, appreciated!
13:31
Francky
do pcie connectors only support lvds signals ?
13:31
Francky
or it can be used as we want ?
13:48
Bertl
they are designed for LVDS, but they support much more
13:50
Francky
it is software manageable right ? just need to write what we want to do in the xdc and go ?!
13:50
Bertl
within certain software compatibility ranges, yes
13:51
Francky
ok so it can increase the number of IO or be used in lvds
13:52
Bertl
for example, given that you have 2.5V bank voltage, you can do LVCMOS25 which will give you a GPIO
13:52
Bertl
but the current design also includes 8 medium speed GPIOs and one I2C bus per PCIe
13:53
Bertl
(besides the 6 LVDS pairs)
13:54
Francky
but the medium speed are connected to "small" fpga right ?
13:54
Bertl
correct
13:55
Francky
so, tu use them, a software must be done on these small fpga, then a protocole needs to be write between zynq and small fpga, it is not as simple as using the lvds/io
13:55
Bertl
correct
13:57
Francky
and the BANK13 io/lvds can be used like BANK34 and BANK35 ones ? no other limitations ?
13:58
Bertl
yes, only limitation is that they are not available on the 7010 microzed
13:58
Francky
yes i know :)
13:58
Francky
i didn't take the right board to build the beta
13:59
Francky
but i may buy a 7020...
14:00
Francky
and i am thinking about buying a cmv12000 too... to build a complete beta
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Francky
i need to go ! bye
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16:35
Bertl
welcome Walid_A!
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se6astian|away
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16:55
se6astian
good evening
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17:48
aombk
-do you like ran more than solaris?
17:48
aombk
-the films or the axiom beta versions?
17:50
Bertl
:)
17:54
se6astian
I like it :)
17:57
aombk
i know you do :P
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se6astian
time for bed
21:52
se6astian
good night
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se6astian
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