KIT34704BEPEVBE Evaluation Board
, Rev 1.0
Freescale Semiconductor
12
KIT34704BEPEVBE - Using Hardware
9.2
Input/Output power supply terminal blocks
A three-pin terminal block serves as input terminal for the main power between 2.7 to
5.5V to operate the KIT34704BEPEVBE, as well as providing access to the reference
voltage VDDI generated by the MC34704B to supply configuration voltages.
Regulator 2 through 8 use a two-pin terminal block to provide each GND reference and
VOx respectively. To learn how to configure the output voltage on each regulator, please
refer to the MC34704 datasheet that can be found at
www.http://freescale.com
The following diagram shows each of the terminals and its respective output voltage
identificator.
Figure 7. KIT34704BEPEVBE Input/Output terminal blocks
9.3
Starting up the KIT34704BEPEVBE
To Start working with the KIT34704BEPEVBE, provide an input voltage between 2.7 to
5.5V connecting the (+) probe to the VIN terminal and the (-) probe to the GDN terminal
on the Input power terminal block. Turn on the power supply and the LEDRST should
turn on.
At this moment the three stand alone regulators (REG2, REG3 and REG4) should be
providing pre-configured output voltage. To operate the rest of the MC34704B functions,
it is necessary to use I2C communication.
Section 11 will discuss how to interact with the KIT34704BEPEVBE using the Graphical
User Interface developed by freescale to fully operate the MC34704B.
REG 2
REG 5
REG 4
REG 3
REG 8
VG
VDDI / VIN