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manual: update Kasli section

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Sebastien Bourdeauducq 2018-02-21 12:04:14 +08:00
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doc/manual/core_device.rst
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@ -170,10 +170,29 @@ Opticlock
In the opticlock variant, Kasli is the core device controlling three `DIO_BNC <https://github.com/m-labs/sinara/wiki/DIO_BNC>`_ boards, one `Urukul-AD9912 <https://github.com/m-labs/sinara/wiki/Urukul>`_, one `Urukul-AD9910 <https://github.com/m-labs/sinara/wiki/Urukul>`_, and one Sampler `<https://github.com/m-labs/sinara/wiki/Sampler>`_.
Kasli is connected to the network using a 1000Base-X SFP module. `No-name
<fs.com>`_ BiDi (1000Base-BX) modules have been used successfully.
<fs.com>`_ BiDi (1000Base-BX) modules have been used successfully. The SFP module for the network
should be installed into the SFP0 cage.
Kasli is supplied with 100 MHz reference at its SMA input.
Both Urukul boards are supplied with a 100 MHz reference clock on their external
SMA inputs.
The RTIO clock frequency is 125 MHz, which is synthesized from the 100 MHz reference using the Si5324.
The first four TTL channels are used as inputs. The rest are outputs.
DRTIO master
++++++++++++
Kasli can be used as a DRTIO master that provides local RTIO channels and can additionally control one DRTIO satellite.
The RTIO clock frequency is 150 MHz, which is synthesized from the Si5324 crystal. The DRTIO line rate is 3 Gbps.
The SFP module for the Ethernet network should be installed into the SFP0 cage, and the DRTIO connection is on SFP2.
DRTIO satellite
+++++++++++++++
Kasli can be used as a DRTIO satellite with a 150 MHz RTIO clock and a 3 Gbps DRTIO line rate.
The DRTIO connection is on SFP0.