KIT34704BEPEVBE Graphical User Interface
s) REG8 over/under voltage response: setting the “Set flag on OV/UV” or “Sdown on
OV/UV” option allows to turn on a fault flag only or shuts down the GRPD,
respectively, when an over voltage or under voltage is present on one of the
Regulator that belong to this group.
t) REG8 Current scaling: Allows to select a fraction of the maximum current flowing
through the LED string when the current mode control is selected.
u) REG8 ON/OFF button: turns on/off regulator 8.
?
?
?
Special Registers
v) REG3 fine voltage Scaling: allows to dynamically modify the output voltage on
Regulator 3 in 0.5% variation steps.
w) REG7 Independent ON/OFF: allow to turn on Regulator 7 independently without
having to turn on all Regulators on GRPC. REG7 features can still be configured
using the boxes in Regulator 7 section.
Operating Buttons
x) Real time configuration Button: start an infinite read/write cycle to allow the user to
modify the registers and observe changes in real time.
y) Stop Button: Stop the real time cycle.
z) Read Button: Read all registers once in order to debug for latched flags.
aa) Write Button: write the register configurations Once, changes to the features do not
have effect until next write cycle is done.
ab) Register Table button : shows the MC34704B Register table, where the user can
manually configure the registers. Before configuring the Register table manually,
please refer to the Datasheet to learn full operation of each one of the Register
ac) Help button: Show the brief operating procedure for the KIT34704GUI.
Fault Indicators
? TSD: Thermal Shutdown Flag
? SCF: Short Circuit Flag
? OVF: Over voltage Flag
? UVF: Under Voltage Flag
? ILIM: Over current Flag
? DVS: Dynamic voltage Scaling flag
Since the MC34704 GUI can be used to control the MC34704A and the MC34704B, all
Registers and Functions that do not apply to the MC3404B are displayed in gray as
disabled. To work with the MC34704B, enure the MC34704B Enable/Disable button is
set to Enabled.
KIT34704BEPEVBE Evaluation Board , Rev 1.0
Freescale Semiconductor
18
相关PDF资料
KIT34712EPEVBE KIT EVAL BOARD 3A 1MHZ
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