Note
Not every power connection is used or required to operate the EVM. Other power configurations are
possible. See the power schematics in
and
Figure 3-2. Default Power Jumper Configuration
shows the default power jumper locations and settings.
configurations for the DUT.
Table 3-2. Suggested Power Configurations
CONNECTION
NAME
ONBOARD LDO REGULATORS
(DEFAULT)
DIRECT EXTERNAL SUPPLIES
VD = 3.3 V (LDO1)
VDDO = 3.3 V (LDO2)
VDD = 3.3 V (EXT. VIN1)
VDDO = 3.3 V (EXT. VIN2)
J1
PWR
Pin 1 (VIN1): Connect to external 5-V
supply
Pin 2 (VIN2): n/a
Pin 3 (VIN3): n/a
Pin 4 (GND): Connect to supply ground
Pin 1 (VIN1): Connect to external 3.3-V supply
Pin 2 (VIN2): Connect to external 3.3-V supply Pin 3
(VIN3): n/a
Pin 4 (GND): Connect to supply ground
JP1
VDD
Tie pins 1-2 (adjacent to designator) to
select 3.3 V from LDO1 to VDD Plane
Tie pins 2-3 (opposite to designator) to select
external VIN1 to VDD Plane
JP2
VDDO
Tie pins 1-2 (adjacent to designator) to
select 3.3 V from LDO2 to VDDO Plane
Tie pins 2-3 (opposite to designator) to select
external VIN2 to VDDO Plane
3.2 Logic Inputs and Outputs
The logic I/O pins of the DUT support different functions depending on the device start-up mode chosen by the
GPIO1 input level upon POR.
EVM Configuration
AD
V
A
NCE INFO
R
MA
TION
SNAU260A – OCTOBER 2020 – REVISED FEBRUARY 2021
LMK5C33216EVM User's Guide
9
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