diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/docs/gpio_api.dox | 4 | ||||
| -rw-r--r-- | host/docs/usrp_e3x0.dox | 11 | ||||
| -rw-r--r-- | host/docs/usrp_x3x0.dox | 8 |
3 files changed, 23 insertions, 0 deletions
diff --git a/host/docs/gpio_api.dox b/host/docs/gpio_api.dox index d3bb4f0a9..98515d07b 100644 --- a/host/docs/gpio_api.dox +++ b/host/docs/gpio_api.dox @@ -13,6 +13,10 @@ disabling a TX or RX mixer). \subsection xgpio_fpanel_gpio X3x0 Front Panel GPIO +The GPIO port is not meant to drive big loads. You should not try to source more than 5mA per pin. + +The +3.3V is for ESD clamping purposes only and not designed to deliver high currents. + \subsubsection xgpio_fpanel_conn Connector \image html x3x0_gpio_conn.png "X3x0 GPIO Connectors" diff --git a/host/docs/usrp_e3x0.dox b/host/docs/usrp_e3x0.dox index 70432d05f..b175cc201 100644 --- a/host/docs/usrp_e3x0.dox +++ b/host/docs/usrp_e3x0.dox @@ -283,6 +283,7 @@ It's behavior is firmware version dependent. + 1 - Low voltage error + 2 - Regulator low voltage error + 3 - FPGA power error + + 4 - DRAM power error + 5 - 1.8V rail power error + 6 - 3.3V rail power error + 7 - Daughterboard / TX power error @@ -746,6 +747,16 @@ by pinging the USRP and making sure the LEDs start to blink. In the file `/etc/ssh/sshd_config`, uncomment the line \#`X11Forwarding no` and change "no" to "yes". + - Firmware + -# With Firmware 2.0 the device no longer turns on when AC power is plugged.<br> + This setting can be adjusted via `/sys/devices/axi_pmu.3/autoboot`. + + Using `$ echo 1 > /sys/devices/axi_pmu.3/autoboot` autoboot is turned on. + + Using `$ echo 0 > /sys/devices/axi_pmu.3/autoboot` autoboot is turned off. + + Note that the path above is subject to change depending on device tree changes. + \section e3x0_apps Applications \subsection e3x0_apps_gsm GSM Base Station diff --git a/host/docs/usrp_x3x0.dox b/host/docs/usrp_x3x0.dox index d4dccaed5..7183efc04 100644 --- a/host/docs/usrp_x3x0.dox +++ b/host/docs/usrp_x3x0.dox @@ -334,6 +334,10 @@ It is possible to put the device into an unusable state by loading bad images (" Fortunately, the USRP-X Series device can be loaded with a good image temporarily using the USB-JTAG interface. Once booted into the safe image, the user can once again load images onto the device over Ethernet or PCI Express. +See Section \ref x3x0_load_fpga_imgs_jtag on how to load the FPGA image onto the device using a JTAG interface. +After running the JTAG process, a new image can be flashed onto the device using the usual procedure +to permently recover the device. + \section x3x0_setup_network Setup Networking The USRP-X Series only supports Gigabit and Ten Gigabit Ethernet and will not work with a 10/100 Mbps interface. @@ -580,6 +584,10 @@ Please see \ref page_gpsdo_x3x0 for information on configuring and using the int \image html x3x0_gpio_conn.png "X3x0 GPIO Connector" +The GPIO port is not meant to drive big loads. You should not try to source more than 5mA per pin. + +The +3.3V is for ESD clamping purposes only and not designed to deliver high currents. + ### Pin Mapping - Pin 1: +3.3V |