5.3.2 : Microcontroller Serial Port Commands
The VP3500’s on-board management microcontroller can be accessed using a serial port terminal.
Attach a serial cable to either HDR3 on the VP3500 or to an RTM connection (if present). Power the
system up and the following prompt should appear:
Rigel Engineering, LLC
VP3500 MuC Version x.x
=>
Type the lower case letter “h” (Help) for a list of commands. The following list of commands will appear:
Command
Detail
1-4
Selects specific on-board I2C Bus *
a
Set I2C Address *
e
Read Data from EEPROM
f
Write Data to EEPROM
h
Help
i
VP3500 Board-Specific Information
m
MiniPCIe Select
p
Toggle Board Power On/Off
r
Read Data From I2C Device *
s
VP3500 Board Status
w
Write Data to I2C Device *
Table 46 : Microcontroller Serial Port Commands
* Please reference section 5.4 for additional information regarding the VP3500 I2C structure.
5.3.2.1 : Select I2C Bus
The VP3500 has four local I2C buses. See section 5.4 for more information on the topology. When
using the raw I2C read and write commands, a bus must first be selected. Use the numbers 1-4 to select
one of the four buses.
VP3500 User Manual • Document Number 101-3500-0001 • Revision A0
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690 Cone Park Court, Merritt Island, Florida 32952
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