ST NUCLEO-L433RC-P User Manual

Hardware layout and configuration UM2206
32/55 UM2206 Rev 3
SB16, SB18, SB19, SB22,SB23, SB26, SB27, SB28, SB36, SB37, SB38, SB40, SB41,
SB44, SB45, SB47, SB48, SB49, SB52, SB53, SB54, SB55, SB57, SB58, SB59, SB63, are
linked to the STM32 configuration. Do not modify them.
All STM32 Nucleo-64-P boards are delivered with solder bridges configured according to the
target STM32 supported.
ADP5301 U9
EN selection
SB84 / SB85
SB84
ON
ADP5301 EN pin driven by I/O: SMPS_EN PA4
SB85
ON
ADP5301 always enabled (level 1)
ADP5301
Mode selection
SB86 / SB95
SB86
ON
ADP5301 set in PWM mode (500 mA out, low
efficiency)
SB95
ON
ADP5301 set in hysteresis mode (50 mA out, best
efficiency)
VDD_MCU
selection
SB87
ON V
DD_MCU
connected to CN11 V
OUT
V
DD
OFF V
DD_MCU
not connected to CN11 V
OUT
V
DD
SMPS_SW
enable
SB88
ON Switch driven by I/O SMPS_SW PA7
OFF
Switch NOT driven by I/O,
Switch driven by U12 pin 1 AUX or CN11 pin 5
ST1PS02 U12
voltage
selection
SB89
ON
ST1PS02 U12 output selection by I/O SMPS_V1
PA5
OFF
ST1PS02 U12 output fixed by solder bridge, or
driven by U11 pin 4
SMPS
U11/U12
enable
SB92
ON
SMPS U11/ U12 enabled pin driven by the I/O
SMPS_EN PA4
OFF
SMPS U11/ U12 NOT enabled by I/O. Enable pin
level fixed by solder bridge or driven by CN11 pin 5
SMPS
U11/U12 PWR
GOOD
SB93
ON
SMPS U11/ U12 Power Good connected to I/O
SMPS_PG PA6
OFF
SMPS U11/ U12 Power Good NOT to I/O. Can be
connected to be driven by CN11 pin 7
1. Default SBx state is shown in bold.
Table 12. Solder bridge configurations and settings (continued)
Definition Bridge State
(1)
Comment

ST NUCLEO-L433RC-P Specifications

General

Brand	ST
Model	NUCLEO-L433RC-P
Category	Motherboard
Language	English