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| author | Josh Blum <josh@joshknows.com> | 2011-05-16 12:08:23 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-05-16 12:08:23 -0700 |
| commit | 22097e81dc54c895ed411c74c1829721e3a1ce5e (patch) | |
| tree | 8cc9ca6d8bb0432b9562fc19636eca3421b21100 /host/docs/usrp_e1xx.rst | |
| parent | 13be023531fa1be8d43b999c3ea5ab477f101fdc (diff) | |
| parent | ea5ce50a465e714c63196f52df97fb3e927e701c (diff) | |
| download | uhd-22097e81dc54c895ed411c74c1829721e3a1ce5e.tar.gz uhd-22097e81dc54c895ed411c74c1829721e3a1ce5e.tar.bz2 uhd-22097e81dc54c895ed411c74c1829721e3a1ce5e.zip | |
Merge branch 'master' into release_work
Diffstat (limited to 'host/docs/usrp_e1xx.rst')
| -rw-r--r-- | host/docs/usrp_e1xx.rst | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/host/docs/usrp_e1xx.rst b/host/docs/usrp_e1xx.rst index 036d2c02c..fcaa57716 100644 --- a/host/docs/usrp_e1xx.rst +++ b/host/docs/usrp_e1xx.rst @@ -35,12 +35,7 @@ To use the 61.44MHz clock rate, the USRP embedded will require two jumpers to be * J16 is a two pin header, remove the jumper (or leave it on pin1 only) * J15 is a three pin header, move the jumper to (pin1, pin2) -Then run the following commands to record the setting into the EEPROM: -:: - - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --key=mcr --val=61.44e6 - +**Note:** See instructions below to communicate the desired clock rate into the UHD. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Set other rates - uses internal VCO @@ -50,11 +45,13 @@ To use other clock rates, the jumpers will need to be in the default position. * J16 is a two pin header, move the jumper to (pin1, pin2) * J15 is a three pin header, move the jumper to (pin2, pin3) -Then run the following commands to record the setting into the EEPROM: +To communicate the desired clock rate into the UHD, +specify the a special device address argument, +where the key is "master_clock_rate" and the value is a rate in Hz. +Example: :: - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --key=mcr --val=<rate> + uhd_usrp_probe --args="master_clock_rate=52e6" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Clock rate recovery - unbricking |