boards: weact: add weact stm32u585ci core board
Low cost STM32U585CI development board in blackpill package. Signed-off-by: Michal Piekos <michal.piekos@wp.pl>
This commit is contained in:
Michal Piekos
Fabio Baltieri
parent
dd8a8697e2
commit
db0e8a6ff3
5
boards/weact/blackpill_u585ci/Kconfig.blackpill_u585ci
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5
boards/weact/blackpill_u585ci/Kconfig.blackpill_u585ci
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# Copyright (c) 2025 Michal Piekos
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_BLACKPILL_U585CI
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select SOC_STM32U585XX
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237
boards/weact/blackpill_u585ci/blackpill_u585ci.dts
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237
boards/weact/blackpill_u585ci/blackpill_u585ci.dts
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/*
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* Copyright (c) 2025 Michal Piekos
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/u5/stm32u585Xi.dtsi>
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#include <st/u5/stm32u585ciux-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "WeAct Studio Black Pill STM32U585 Core Board";
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compatible = "weact,blackpill-u585ci";
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#address-cells = <1>;
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#size-cells = <1>;
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,canbus = &fdcan1;
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};
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aliases {
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led0 = &led_0;
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sw0 = &button_0;
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watchdog0 = &iwdg;
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volt-sensor0 = &vref1;
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volt-sensor1 = &vbat4;
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die-temp0 = &die_temp;
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};
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leds {
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compatible = "gpio-leds";
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led_0: led0 {
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gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
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label = "User LED";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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button_0: button0 {
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label = "User Button";
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gpios = <&gpioa 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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zephyr,user {
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io-channels = <&adc1 16>, <&adc4 18>;
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};
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};
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&clk_hsi48 {
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status = "okay";
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};
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&clk_lse {
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status = "okay";
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};
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&clk_hse {
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clock-frequency = <DT_FREQ_M(25)>;
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status = "okay";
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};
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&clk_msis {
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status = "okay";
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msi-range = <4>;
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msi-pll-mode;
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};
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&pll1 {
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div-m = <5>;
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mul-n = <32>;
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div-q = <2>;
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div-r = <1>;
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clocks = <&clk_hse>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll1>;
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clock-frequency = <DT_FREQ_M(160)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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apb3-prescaler = <1>;
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};
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&lpuart1 {
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pinctrl-0 = <&lpuart1_tx_pa2 &lpuart1_rx_pa3>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb3>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c2 {
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pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb14>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa1
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&spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&fdcan1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000200>,
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<&rcc STM32_SRC_PLL1_Q FDCAN1_SEL(1)>;
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pinctrl-0 = <&fdcan1_rx_pb8 &fdcan1_tx_pb9>;
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pinctrl-names = "default";
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status = "okay";
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};
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&adc1 {
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pinctrl-0 = <&adc1_in16_pb1>;
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pinctrl-names = "default";
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <4>;
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status = "okay";
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};
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&adc4 {
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pinctrl-0 = <&adc4_in18_pb0>;
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pinctrl-names = "default";
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <4>;
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status = "okay";
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};
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&dac1 {
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/* CAUTION: DAC on PA4 may conflict with SPI1 NSS on same pin */
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pinctrl-0 = <&dac1_out1_pa4>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&timers3 {
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st,prescaler = <10000>;
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status = "okay";
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pwm3: pwm {
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pinctrl-0 = <&tim3_ch1_pb4>;
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pinctrl-names = "default";
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status = "okay";
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};
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};
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&timers4 {
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st,prescaler = <10000>;
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status = "okay";
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pwm4: pwm {
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pinctrl-0 = <&tim4_ch2_pb7>;
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pinctrl-names = "default";
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status = "okay";
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};
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};
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zephyr_udc0: &usbotg_fs {
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pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
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pinctrl-names = "default";
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status = "okay";
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cdc_acm_uart0: cdc_acm_uart0 {
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compatible = "zephyr,cdc-acm-uart";
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};
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};
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&iwdg {
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status = "okay";
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};
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&rng {
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status = "okay";
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};
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&gpdma1 {
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status = "okay";
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};
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&die_temp {
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00200000>,
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<&rcc STM32_SRC_LSE RTC_SEL(1)>;
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status = "okay";
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};
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&vref1 {
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status = "okay";
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};
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&vbat4 {
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status = "okay";
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};
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&clk_lsi {
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status = "okay";
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};
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stm32_lp_tick_source: &lptim1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000800>,
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<&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
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status = "okay";
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};
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&backup_sram {
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status = "okay";
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};
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20
boards/weact/blackpill_u585ci/blackpill_u585ci.yaml
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20
boards/weact/blackpill_u585ci/blackpill_u585ci.yaml
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identifier: blackpill_u585ci
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name: WeAct Studio Black Pill STM32U585 Core Board
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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- gnuarmemb
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supported:
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- can
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- adc
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- gpio
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- i2c
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- spi
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- usart
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- watchdog
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- dma
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- rtc
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ram: 784
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flash: 2048
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vendor: weact
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17
boards/weact/blackpill_u585ci/blackpill_u585ci_defconfig
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17
boards/weact/blackpill_u585ci/blackpill_u585ci_defconfig
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# SPDX-License-Identifier: Apache-2.0
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# Enable UART driver
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CONFIG_SERIAL=y
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# Enable GPIO
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CONFIG_GPIO=y
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# Console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Enable MPU
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CONFIG_ARM_MPU=y
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# Enable HW stack protection
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CONFIG_HW_STACK_PROTECTION=y
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7
boards/weact/blackpill_u585ci/board.cmake
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7
boards/weact/blackpill_u585ci/board.cmake
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# keep first
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board_runner_args(dfu-util "--pid=0483:df11" "--alt=0" "--dfuse")
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board_runner_args(blackmagicprobe "--gdb-serial=/dev/ttyACM0")
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# keep first
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include(${ZEPHYR_BASE}/boards/common/dfu-util.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)
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6
boards/weact/blackpill_u585ci/board.yml
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6
boards/weact/blackpill_u585ci/board.yml
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board:
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name: blackpill_u585ci
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full_name: WeAct Studio Black Pill STM32U585 Core Board
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vendor: weact
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socs:
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- name: stm32u585xx
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BIN
boards/weact/blackpill_u585ci/doc/img/blackpill_u585ci.webp
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BIN
boards/weact/blackpill_u585ci/doc/img/blackpill_u585ci.webp
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Binary file not shown.
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After Width: | Height: | Size: 13 KiB |
166
boards/weact/blackpill_u585ci/doc/index.rst
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166
boards/weact/blackpill_u585ci/doc/index.rst
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.. zephyr:board:: blackpill_u585ci
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Overview
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********
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The WeAct Black Pill STM32U585CI Core Board is an extremely low cost and bare-bone
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development board featuring the STM32U585CI, see `STM32U585CI website`_.
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This is the 48-pin variant of the STM32U585C series,
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see `STM32U5 reference manual`_. More info about the board available
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on `WeAct Github`_.
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Key Features
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- STM32U585CI microcontroller in UFQFPN48 package
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- ARM |reg| 32-bit Cortex |reg| -M33 with TrustZone |reg|, MPU, DSP and FPU
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- 160 MHz max CPU frequency, 1.5 DMPIS/MHz, 4.07 CoreMark |reg| /MHz
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- 2 MB Flash with ECC and 2 banks
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- 784 KB SRAM
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- GPIO with external interrupt capability
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- 1x14-bit 2.5 MSPS ADC, 1x12-bit 2.5 MSPS ADC
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- 2x12-bit DAC
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- USB OTG 2.0 full-speed controller
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- 1 user LED
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- User, boot, and reset push-buttons
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- 32.768 kHz and 8MHz HSE crystal oscillators
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- Board connectors:
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- USB Type-C |reg| Connector
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- SWD header for external debugger
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- 2x 20-pin GPIO connector
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Hardware
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********
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The STM32U585xx devices are an ultra-low-power microcontrollers family (STM32U5
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Series) based on the high-performance Arm |reg| Cortex |reg| -M33 32-bit RISC core.
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They operate at a frequency of up to 160 MHz.
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More information about STM32U585CI can be found here:
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- `STM32U585CI website`_
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- `STM32U5 reference manual`_
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Supported Features
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==================
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.. zephyr:board-supported-hw::
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Pin Mapping
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===========
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- USER_LED : PC13
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- USER_PB : PA0
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- USB DM/DP : PA11/PA12 (USB CDC ACM)
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- UART : RX/TX - PA10/PA9
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- LPUART : RX/TX - PA3/PA2
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- I2C1 : SCL/SDA - PB6/PB3
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- I2C2 : SCL/SDA - PB10/PB14
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- SPI1 : SCK/MISO/MOSI/NSS - PA1/PA6/PA7/PA4
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- FDCAN : RX/TX - PB8/PB9
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System Clock
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============
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The STM32U585CI System Clock could be driven by internal or external oscillator,
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as well as main PLL clock. By default System clock is driven by PLL clock at
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160MHz, driven by 25MHz external clock.
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Serial Port (USB CDC ACM)
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=========================
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The Zephyr console output is assigned to the USB CDC ACM virtual serial port.
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Virtual COM port interface. Default communication settings are 115200 8N1.
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Programming and Debugging
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*************************
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.. zephyr:board-supported-runners::
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The ``blackpill_u585ci`` board facilitates firmware flashing via the USB DFU
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bootloader. This method simplifies the process of updating images, although
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it doesn't provide debugging capabilities. However, the board provides header
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pins for the Serial Wire Debug (SWD) interface, which can be used to connect
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an external debugger, such as ST-Link.
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Flashing
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========
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To activate the bootloader, follow these steps:
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1. Press and hold the BOOT0 key.
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2. While still holding the BOOT0 key, press and release the RESET key.
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3. Wait for 0.5 seconds, then release the BOOT0 key.
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Upon successful execution of these steps, the device will transition into
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bootloader mode and present itself as a USB DFU Mode device. You can program
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the device using the west tool or the STM32CubeProgrammer.
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Flashing an application to ``blackpill_u585ci``
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-----------------------------------------------
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Here is an example for the :zephyr:code-sample:`hello_world` application.
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First, put the board in bootloader mode as described above. Then build and flash
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the application in the usual way. Just add ``CONFIG_BOOT_DELAY=5000`` to the
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configuration, so that USB CDC ACM is initialized before any text is printed,
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as below:
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.. zephyr-app-commands::
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:zephyr-app: samples/subsys/usb/console
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:board: blackpill_u585ci
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:goals: build flash
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:gen-args: -DCONFIG_BOOT_DELAY=5000
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Run a serial host program to connect with your board:
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.. code-block:: console
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$ minicom -D <tty_device> -b 115200
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Then, press the RESET button, you should see the following message after few seconds:
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.. code-block:: console
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Hello World! arm
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Replace :code:`<tty_device>` with the port where the board can be found.
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For example, under Linux, :code:`/dev/ttyACM0`.
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Debugging
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---------
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There is support for `Black Magic Probe`_ debugger.
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At minimum connect GND, SWDIO and SWCLK lines.
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Here is an example for the :zephyr:code-sample:`blinky` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/blinky
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:board: blackpill_u585ci
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:goals: debug
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References
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**********
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.. target-notes::
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.. _Zadig:
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https://zadig.akeo.ie/
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.. _WeAct Github:
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https://github.com/WeActStudio/WeActStudio.STM32U585Cx_CoreBoard
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.. _dfu-util:
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http://dfu-util.sourceforge.net/build.html
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.. _STM32U585CI website:
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https://www.st.com/en/microcontrollers-microprocessors/stm32u585ci.html
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.. _STM32U5 reference manual:
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https://www.st.com/resource/en/reference_manual/rm0456-stm32u5-series-armbased-32bit-mcus-stmicroelectronics.pdf
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.. _Black Magic Probe:
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https://black-magic.org/index.html
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