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6 The Nucleo L412RB board features an ARM Cortex-M4 based STM32L412RB MCU
10 - STM32 microcontroller in LQFP64 package
11 - 1 user LED shared with ARDUINO |reg|
12 - 1 user and 1 reset push-buttons
13 - 32.768 kHz crystal oscillator
14 - Two types of extension resources:
16 - Arduino Uno V3 connectivity
17 - ST morpho extension pin headers for full access to all STM32 I/Os
19 - On-board ST-LINK debugger/programmer with USB re-enumeration capability: mass storage, Virtual CO…
20 - Flexible power-supply options: ST-LINK, USB VBUS, or external sources
22 - USB VBUS or external source(3.3V, 5V, 7 - 12V)
23 - Power management access point
25 - Board specific features
27 - External SMPS to generate Vcore logic supply
28 - 24 MHz HSE
29 - Board connectors:
31 - External SMPS experimentation dedicated connector
32 - Micro-AB or Mini-AB USB connector for the ST-LINK
33 - MIPI® debug connector
35 - Arm® Mbed Enabled |trade| compliant
37 More information about the board can be found at the `Nucleo L412RB-P website`_.
42 Nucleo L412RB-P provides the following hardware components:
44 - STM32L412RBT6 in LQFP64 package
45 - Ultra-low-power with FlexPowerControl
47 - 1.71 V to 3.6 V power supply
48 - -40 °C to 85/125 °C temperature range
49 - 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
50 - 16 nA Shutdown mode (4 wakeup pins)
51 - 32 nA Standby mode (4 wakeup pins)
52 - 245 nA Standby mode with RTC
53 - 0.7 |micro| A Stop 2 mode, 0.95 |micro| A with RTC
54 - 79 |micro| A/MHz run mode (LDO Mode)
55 - 28 |micro| A/MHz run mode (@3.3 V SMPS Mode)
56 - Batch acquisition mode (BAM)
57 - 4 |micro| s wakeup from Stop mode
58 - Brown out reset (BOR)
59 - Interconnect matrix
61 - Core: Arm |reg| 32-bit Cortex |reg| -M4 CPU with FPU, Adaptive real-time accelerator (ART Acceler…
62 - Performance benchmark
64 - 1.25 DMIPS/MHz (Drystone 2.1)
65 - 273.55 CoreMark |reg| (3.42 CoreMark/MHz @ 80 MHz)
67 - Energy benchmark
69 - 442 ULPMark-CP®
70 - 165 ULPMark-PP®
72 - Clock Sources:
74 - 4 to 48 MHz crystal oscillator
75 - 32 kHz crystal oscillator for RTC (LSE)
76 - Internal 16 MHz factory-trimmed RC ( |plusminus| 1%)
77 - Internal low-power 32 kHz RC ( |plusminus| 5%)
78 …- Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than |plusminus| 0…
79 - Internal 48 MHz with clock recovery
80 - PLL for system clock
82 - Up to 52 fast I/Os, most 5 V-tolerant
83 - RTC with HW calendar, alarms and calibration
84 - Up to 12 capacitive sensing channels: support touchkey, linear and rotary touch sensors
85 - 10x timers:
87 - 1x 16-bit advanced motor-control
88 - 1x 32-bit and 2x 16-bit general purpose
89 - 1x 16-bit basic
90 - 2x low-power 16-bit timers (available in Stop mode)
91 - 2x watchdogs
92 - SysTick timer
94 - Memories
96 - 128 KB single bank Flash, proprietary code readout protection
97 - 40 KB of SRAM including 8 KB with hardware parity check
98 - Quad SPI memory interface with XIP capability
100 - Rich analog peripherals (independent supply)
102 - 2x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 |micro| A/Msps
103 - 2x operational amplifiers with built-in PGA
104 - 1x ultra-low-power comparator
105 - Accurate 2.5 V or 2.048 V reference voltage buffered output
107 - 12x communication interfaces
108 - USB 2.0 full-speed crystal less solution with LPM and BCD
109 - 3x I2C FM+(1 Mbit/s), SMBus/PMBus
110 - 3x USARTs (ISO 7816, LIN, IrDA, modem)
111 - 1x LPUART (Stop 2 wake-up)
112 - 2x SPIs (and 1x Quad SPI)
113 - IRTIM (Infrared interface)
115 - 14-channel DMA controller
116 - True random number generator
117 - CRC calculation unit, 96-bit unique ID
118 - Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell |trade|
119 - All packages are ECOPACK2 compliant
125 - `STM32L412RB on www.st.com`_
126 - `STM32L412 reference manual`_
133 +-----------+------------+-------------------------------------+
136 | NVIC | on-chip | nested vector interrupt controller |
137 +-----------+------------+-------------------------------------+
138 | UART | on-chip | serial port-polling; |
139 | | | serial port-interrupt |
140 +-----------+------------+-------------------------------------+
141 | PINMUX | on-chip | pinmux |
142 +-----------+------------+-------------------------------------+
143 | GPIO | on-chip | gpio |
144 +-----------+------------+-------------------------------------+
145 | I2C | on-chip | i2c |
146 +-----------+------------+-------------------------------------+
147 | SPI | on-chip | spi |
148 +-----------+------------+-------------------------------------+
149 | ADC | on-chip | ADC Controller |
150 +-----------+------------+-------------------------------------+
151 | PWM | on-chip | pwm |
152 +-----------+------------+-------------------------------------+
163 Nucleo L412RB-P Board has 5 GPIO controllers (Ports A, B, C, D and H). These controllers are respon…
164 input/output, pull-up, etc.
167 ---------------
170 :alt: Nucleo L412RB-P
172 For more details please refer to `ST Nucleo L412RB-P User Manual`_.
175 ----------------------------------
177 - LPUART1 TX/RX : PA2/PA3
178 - I2C1 SCL/SDA : PB8/PB7 (Arduino I2C)
179 - SPI2 CS/SCK/MISO/MOSI : PA11/PB13/PB14/PB15 (Arduino SPI)
180 - UART1 TX/RX : PA9/PA10
181 - PWM_2_CH1 : PA0
182 - USER_PB : PC13
183 - LD4 : PB13
188 ------------
190 Nucleo L412RB-P System Clock could be driven by internal or external oscillator,
195 -----------
197 Nucleo L412RB-P board has 3 U(S)ARTs and 1 LPUART. The Zephyr console output is assigned to LPUART1.
204 Nucleo L412RB-P board includes an ST-LINK/V2-1 embedded debug tool interface.
214 so its :ref:`installation <stm32cubeprog-flash-host-tools>` is required.
217 the ``--runner`` (or ``-r``) option:
219 .. code-block:: console
221 $ west flash --runner openocd
222 $ west flash --runner jlink
224 Flashing an application to Nucleo L412RB-P
225 ------------------------------------------
227 Connect the Nucleo L412RB-P to your host computer using the USB port,
230 .. code-block:: console
232 $ minicom -D /dev/ttyACM0
235 :zephyr:code-sample:`hello_world`.
237 .. zephyr-app-commands::
238 :zephyr-app: samples/hello_world
244 .. code-block:: console
253 :zephyr:code-sample:`hello_world` application.
255 .. zephyr-app-commands::
256 :zephyr-app: samples/hello_world
258 :maybe-skip-config:
261 .. _Nucleo L412RB-P website:
262 https://www.st.com/en/evaluation-tools/nucleo-l412rb-p.html
264 .. _ST Nucleo L412RB-P User Manual:
265 …https://www.st.com/resource/en/user_manual/dm00387966-stm32-nucleo-64-p-boards-stmicroelectronics.…
268 https://www.st.com/en/microcontrollers-microprocessors/stm32l412rb.html
271 …com/resource/en/reference_manual/dm00151940-stm32l41xxx42xxx43xxx44xxx45xxx46xxx-advanced-armbased…
274 https://www.st.com/en/development-tools/stm32cubeprog.html