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diff --git a/Marlin/src/pins/stm32f4/pins_STEVAL_3DP001V1.h b/Marlin/src/pins/stm32f4/pins_STEVAL_3DP001V1.h
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+++ b/Marlin/src/pins/stm32f4/pins_STEVAL_3DP001V1.h
@@ -0,0 +1,359 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+// Source: https://github.com/stm32duino/Arduino_Core_STM32/blob/master/variants/ST3DP001_EVAL/variant.cpp
+
+/**
+ * HOW TO COMPILE
+ *
+ * PlatformIO - Use the STM32F401VE_STEVAL environment (or the "Auto Build Marlin" extension).
+ *
+ * Arduino - Tested with 1.8.10
+ *      Install library per https://github.com/stm32duino/Arduino_Core_STM32
+ *      Make the following selections under the TOOL menu in the Arduino IDE
+ *          Board: "3D printer boards"
+ *          Board part number: "STEVAL-3DP001V1"
+ *          U(S)ART support: "Enabled (generic "Serial")"
+ *          USB support (if available): "CDC (no generic "Serial")"
+ *          Optimize: "Smallest (-Os default)"
+ *          C Runtime Library: "newlib Nano (default)"
+ */
+
+#pragma once
+
+#if NOT_TARGET(STM32F4)
+  #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
+#endif
+
+#ifndef MACHINE_NAME
+  #define MACHINE_NAME "STEVAL-3DP001V1"
+#endif
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN                             39  // PD8   X_STOP
+#define Y_MIN_PIN                             40  // PD9   Y_STOP
+#define Z_MIN_PIN                             41  // PD10  Z_STOP
+
+#define X_MAX_PIN                             44  // PD0   W_STOP
+#define Y_MAX_PIN                             43  // PA8   V_STOP
+#define Z_MAX_PIN                             42  // PD11  U_STOP
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+//#ifndef Z_MIN_PROBE_PIN
+//  #define Z_MIN_PROBE_PIN  16  // PA4
+//#endif
+
+//
+// Filament runout
+//
+//#define FIL_RUNOUT_PIN                      53  // PA3    BED_THE
+
+//
+// Steppers
+//
+
+#define X_STEP_PIN                            61  // PE14    X_PWM
+#define X_DIR_PIN                             62  // PE15    X_DIR
+#define X_ENABLE_PIN                          60  // PE13    X_RES
+#define X_CS_PIN                              16  // PA4     SPI_CS
+
+#define Y_STEP_PIN                            64  // PB10    Y_PWM
+#define Y_DIR_PIN                             65  // PE9     Y_DIR
+#define Y_ENABLE_PIN                          63  // PE10    Y_RES
+#define Y_CS_PIN                              16  // PA4     SPI_CS
+
+#define Z_STEP_PIN                            67  // PC6     Z_PWM
+#define Z_DIR_PIN                             68  // PC0     Z_DIR
+#define Z_ENABLE_PIN                          66  // PC15    Z_RES
+#define Z_CS_PIN                              16  // PA4     SPI_CS
+
+#define E0_STEP_PIN                           71  // PD12    E1_PW
+#define E0_DIR_PIN                            70  // PC13    E1_DIR
+#define E0_ENABLE_PIN                         69  // PC14    E1_RE
+#define E0_CS_PIN                             16  // PA4     SPI_CS
+
+#define E1_STEP_PIN                           73  // PE5     E2_PWM
+#define E1_DIR_PIN                            74  // PE6     E2_DIR
+#define E1_ENABLE_PIN                         72  // PE4     E2_RESE
+#define E1_CS_PIN                             16  // PA4     SPI_CS
+
+#define E2_STEP_PIN                           77  // PB8     E3_PWM
+#define E2_DIR_PIN                            76  // PE2     E3_DIR
+#define E2_ENABLE_PIN                         75  // PE3     E3_RESE
+#define E2_CS_PIN                             16  // PA4     SPI_CS
+
+// needed to pass a sanity check
+#define X2_CS_PIN                             16  // PA4     SPI_CS
+#define Y2_CS_PIN                             16  // PA4     SPI_CS
+#define Z2_CS_PIN                             16  // PA4     SPI_CS
+#define Z3_CS_PIN                             16  // PA4     SPI_CS
+#define E3_CS_PIN                             16  // PA4     SPI_CS
+#define E4_CS_PIN                             16  // PA4     SPI_CS
+#define E5_CS_PIN                             16  // PA4     SPI_CS
+
+#if HAS_L64XX
+  #define L6470_CHAIN_SCK_PIN                 17  // PA5
+  #define L6470_CHAIN_MISO_PIN                18  // PA6
+  #define L6470_CHAIN_MOSI_PIN                19  // PA7
+  #define L6470_CHAIN_SS_PIN                  16  // PA4
+
+  //#define SD_SCK_PIN       L6470_CHAIN_SCK_PIN
+  //#define SD_MISO_PIN     L6470_CHAIN_MISO_PIN
+  //#define SD_MOSI_PIN     L6470_CHAIN_MOSI_PIN
+#else
+  //#define SD_SCK_PIN                        13  // PB13    SPI_S
+  //#define SD_MISO_PIN                       12  // PB14    SPI_M
+  //#define SD_MOSI_PIN                       11  // PB15    SPI_M
+#endif
+
+/**
+ * Macro to reset/enable L6474 stepper drivers
+ *
+ * IMPORTANT - To disable (bypass) L6474s, install the corresponding
+ *             resistors (R11 - R17) and change the "V" to "0" for the
+ *             corresponding pins here:
+ */
+#define ENABLE_RESET_L64XX_CHIPS(V)   do{ OUT_WRITE(X_ENABLE_PIN, V); \
+                                          OUT_WRITE(Y_ENABLE_PIN, V); \
+                                          OUT_WRITE(Z_ENABLE_PIN, V); \
+                                          OUT_WRITE(E0_ENABLE_PIN,V); \
+                                          OUT_WRITE(E1_ENABLE_PIN,V); \
+                                          OUT_WRITE(E2_ENABLE_PIN,V); \
+                                        }while(0)
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                             3  // Analog input 3,  digital pin 54   PA0     E1_THERMISTOR
+#define TEMP_1_PIN                             4  // Analog input 4,  digital pin 55   PA1     E2_THERMISTOR
+#define TEMP_2_PIN                             5  // Analog input 5,  digital pin 56   PA2     E3_THERMISTOR
+#define TEMP_BED_PIN                           0  // Analog input 0,  digital pin 51   PC2     BED_THERMISTOR_1
+#define TEMP_BED_1_PIN                         1  // Analog input 1,  digital pin 52   PC3     BED_THERMISTOR_2
+#define TEMP_BED_2_PIN                         2  // Analog input 2,  digital pin 53   PA3     BED_THERMISTOR_3
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                          48  // PC7   E1_HEAT_PWM
+#define HEATER_1_PIN                          49  // PB0   E2_HEAT_PWM
+#define HEATER_2_PIN                          50  // PB1   E3_HEAT_PWM
+#define HEATER_BED_PIN                        46  // PD14 (BED_HEAT_1 FET
+#define HEATER_BED_1_PIN                      45  // PD13 (BED_HEAT_2 FET
+#define HEATER_BED_2_PIN                      47  // PD15 (BED_HEAT_3 FET
+
+#define FAN_PIN                               57  // PC4   E1_FAN   PWM pin, Part cooling fan FET
+#define FAN1_PIN                              58  // PC5   E2_FAN   PWM pin, Extruder fan FET
+#define FAN2_PIN                              59  // PE8   E3_FAN   PWM pin, Controller fan FET
+
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN                     58  // FAN1_PIN
+#endif
+
+//
+// Misc functions
+//
+#define SDSS                                  16  // PA4    SPI_CS
+#define LED_PIN                               -1  // 9 // PE1 green LED   Heart beat
+#define PS_ON_PIN                             -1
+#define KILL_PIN                              -1
+#define POWER_LOSS_PIN                        -1  // PWR_LOSS / nAC_FAULT
+
+//
+// LCD / Controller
+//
+//#define SD_DETECT_PIN                       66  // PA15    SD_CA
+//#define BEEPER_PIN                          24  // PC9     SDIO_D1
+//#define LCD_PINS_RS                         65  // PE9     Y_DIR
+//#define LCD_PINS_ENABLE                     59  // PE8     E3_FAN
+//#define LCD_PINS_D4                         10  // PB12    SPI_C
+//#define LCD_PINS_D5                         13  // PB13    SPI_S
+//#define LCD_PINS_D6                         12  // PB14    SPI_M
+//#define LCD_PINS_D7                         11  // PB15    SPI_M
+//#define BTN_EN1                             57  // PC4     E1_FAN
+//#define BTN_EN2                             58  // PC5     E2_FAN
+//#define BTN_ENC                             52  // PC3     BED_THE
+
+//
+// Extension pins
+//
+//#define EXT0_PIN                            49  // PB0     E2_HEAT
+//#define EXT1_PIN                            50  // PB1     E3_HEAT
+//#define EXT2_PIN                                // PB2    not used (tied to ground
+//#define EXT3_PIN                            39  // PD8     X_STOP
+//#define EXT4_PIN                            40  // PD9     Y_STOP
+//#define EXT5_PIN                            41  // PD10    Z_STOP
+//#define EXT6_PIN                            42  // PD11
+//#define EXT7_PIN                            71  // PD12    E1_PW
+//#define EXT8_PIN                            64  // PB10    Y_PWM
+
+// WIFI
+//  2   // PD3   CTS
+//  3   // PD4   RTS
+//  4   // PD5   TX
+//  5   // PD6   RX
+//  6   // PB5   WIFI_WAKEUP
+//  7   // PE11  WIFI_RESET
+//  8   // PE12  WIFI_BOOT
+
+// I2C USER
+// 14   // PB7   SDA
+// 15   // PB6   SCL
+
+// JTAG
+// 20   // PA13  JTAG_TMS/SWDIO
+// 21   // PA14  JTAG_TCK/SWCLK
+// 22   // PB3   JTAG_TDO/SWO
+
+//
+// Onboard SD support
+//
+#define SDIO_D0_PIN                           23  // PC8   SDIO_D0
+#define SDIO_D1_PIN                           24  // PC9   SDIO_D1
+//#define SD_CARD_DETECT_PIN                  25  // PA15  SD_CARD_DETECT
+#define SDIO_D2_PIN                           26  // PC10  SDIO_D2
+#define SDIO_D3_PIN                           27  // PC11  SDIO_D3
+#define SDIO_CK_PIN                           28  // PC12  SDIO_CK
+#define SDIO_CMD_PIN                          29  // PD2   SDIO_CMD
+
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION              ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(ONBOARD)
+  #define SDIO_SUPPORT                            // Use SDIO for onboard SD
+
+  #ifndef SDIO_SUPPORT
+    #define SOFTWARE_SPI                          // Use soft SPI for onboard SD
+    #undef SDSS
+    #define SDSS                     SDIO_D3_PIN
+    #define SD_SCK_PIN               SDIO_CK_PIN
+    #define SD_MISO_PIN              SDIO_D0_PIN
+    #define SD_MOSI_PIN             SDIO_CMD_PIN
+  #endif
+#endif
+
+// OTG
+// 30   // PA11  OTG_DM
+// 31   // PA12  OTG_DP
+
+// USER_PINS
+// 34   // PD7   USER3
+// 35   // PB9   USER1
+// 36   // PE0   USER2
+// 37   // PB4   USER4
+
+// USERKET
+// 38   // PE7   USER_BUTTON
+
+//  0   // PA9   TX
+//  1   // PA10  RX
+
+// IR/PROBE
+// 32   // PD1   IR_OUT
+// 33   // PC1   IR_ON
+
+/**
+ * Logical pin vs. port/pin cross reference
+ *
+ * PA0  54   //  E1_THERMISTOR       PA9   0   //  TX
+ * PA1  55   //  E2_THERMISTOR       PA10  1   //  RX
+ * PA2  56   //  E3_THERMISTOR       PD3   2   //  CTS
+ * PA3  53   //  BED_THERMISTOR_3    PD4   3   //  RTS
+ * PA4  16   //  SPI_CS              PD5   4   //  TX
+ * PA5  17   //  SPI_SCK             PD6   5   //  RX
+ * PA6  18   //  SPI_MISO            PB5   6   //  WIFI_WAKEUP
+ * PA7  19   //  SPI_MOSI            PE11  7   //  WIFI_RESET
+ * PA8  43   //  V_STOP              PE12  8   //  WIFI_BOOT
+ * PA9   0   //  TX                  PE1   9   //  STATUS_LED
+ * PA10  1   //  RX                  PB12 10   //  SPI_CS
+ * PA11 30   //  OTG_DM              PB15 11   //  SPI_MOSI
+ * PA12 31   //  OTG_DP              PB14 12   //  SPI_MISO
+ * PA13 20   //  JTAG_TMS/SWDIO      PB13 13   //  SPI_SCK
+ * PA14 21   //  JTAG_TCK/SWCLK      PB7  14   //  SDA
+ * PA15 25   //  SD_CARD_DETECT      PB6  15   //  SCL
+ * PB0  49   //  E2_HEAT_PWM         PA4  16   //  SPI_CS
+ * PB1  50   //  E3_HEAT_PWM         PA5  17   //  SPI_SCK
+ * PB3  22   //  JTAG_TDO/SWO        PA6  18   //  SPI_MISO
+ * PB4  37   //  USER4               PA7  19   //  SPI_MOSI
+ * PB5   6   //  WIFI_WAKEUP         PA13 20   //  JTAG_TMS/SWDIO
+ * PB6  15   //  SCL                 PA14 21   //  JTAG_TCK/SWCLK
+ * PB7  14   //  SDA                 PB3  22   //  JTAG_TDO/SWO
+ * PB8  77   //  E3_PWM              PC8  23   //  SDIO_D0
+ * PB9  35   //  USER1               PC9  24   //  SDIO_D1
+ * PB10 64   //  Y_PWM               PA15 25   //  SD_CARD_DETECT
+ * PB12 10   //  SPI_CS              PC10 26   //  SDIO_D2
+ * PB13 13   //  SPI_SCK             PC11 27   //  SDIO_D3
+ * PB14 12   //  SPI_MISO            PC12 28   //  SDIO_CK
+ * PB15 11   //  SPI_MOSI            PD2  29   //  SDIO_CMD
+ * PC0  68   //  Z_DIR               PA11 30   //  OTG_DM
+ * PC1  33   //  IR_ON               PA12 31   //  OTG_DP
+ * PC2  51   //  BED_THERMISTOR_1    PD1  32   //  IR_OUT
+ * PC3  52   //  BED_THERMISTOR_2    PC1  33   //  IR_ON
+ * PC4  57   //  E1_FAN              PD7  34   //  USER3
+ * PC5  58   //  E2_FAN              PB9  35   //  USER1
+ * PC6  67   //  Z_PWM               PE0  36   //  USER2
+ * PC7  48   //  E1_HEAT_PWM         PB4  37   //  USER4
+ * PC8  23   //  SDIO_D0             PE7  38   //  USER_BUTTON
+ * PC9  24   //  SDIO_D1             PD8  39   //  X_STOP
+ * PC10 26   //  SDIO_D2             PD9  40   //  Y_STOP
+ * PC11 27   //  SDIO_D3             PD10 41   //  Z_STOP
+ * PC12 28   //  SDIO_CK             PD11 42   //  U_STOP
+ * PC13 70   //  E1_DIR              PA8  43   //  V_STOP
+ * PC14 69   //  E1_RESET            PD0  44   //  W_STOP
+ * PC15 66   //  Z_RESET             PD13 45   //  BED_HEAT_2
+ * PD0  44   //  W_STOP              PD14 46   //  BED_HEAT_1
+ * PD1  32   //  IR_OUT              PD15 47   //  BED_HEAT_3
+ * PD2  29   //  SDIO_CMD            PC7  48   //  E1_HEAT_PWM
+ * PD3   2   //  CTS                 PB0  49   //  E2_HEAT_PWM
+ * PD4   3   //  RTS                 PB1  50   //  E3_HEAT_PWM
+ * PD5   4   //  TX                  PC2  51   //  BED_THERMISTOR_1
+ * PD6   5   //  RX                  PC3  52   //  BED_THERMISTOR_2
+ * PD7  34   //  USER3               PA3  53   //  BED_THERMISTOR_3
+ * PD8  39   //  X_STOP              PA0  54   //  E1_THERMISTOR
+ * PD9  40   //  Y_STOP              PA1  55   //  E2_THERMISTOR
+ * PD10 41   //  Z_STOP              PA2  56   //  E3_THERMISTOR
+ * PD11 42   //  U_STOP              PC4  57   //  E1_FAN
+ * PD12 71   //  E1_PWM              PC5  58   //  E2_FAN
+ * PD13 45   //  BED_HEAT_2          PE8  59   //  E3_FAN
+ * PD14 46   //  BED_HEAT_1          PE13 60   //  X_RESET
+ * PD15 47   //  BED_HEAT_3          PE14 61   //  X_PWM
+ * PE0  36   //  USER2               PE15 62   //  X_DIR
+ * PE1   9   //  STATUS_LED          PE10 63   //  Y_RESET
+ * PE2  76   //  E3_DIR              PB10 64   //  Y_PWM
+ * PE3  75   //  E3_RESET            PE9  65   //  Y_DIR
+ * PE4  72   //  E2_RESET            PC15 66   //  Z_RESET
+ * PE5  73   //  E2_PWM              PC6  67   //  Z_PWM
+ * PE6  74   //  E2_DIR              PC0  68   //  Z_DIR
+ * PE7  38   //  USER_BUTTON         PC14 69   //  E1_RESET
+ * PE8  59   //  E3_FAN              PC13 70   //  E1_DIR
+ * PE9  65   //  Y_DIR               PD12 71   //  E1_PWM
+ * PE10 63   //  Y_RESET             PE4  72   //  E2_RESET
+ * PE11  7   //  WIFI_RESET          PE5  73   //  E2_PWM
+ * PE12  8   //  WIFI_BOOT           PE6  74   //  E2_DIR
+ * PE13 60   //  X_RESET             PE3  75   //  E3_RESET
+ * PE14 61   //  X_PWM               PE2  76   //  E3_DIR
+ * PE15 62   //  X_DIR               PB8  77   //  E3_PWM
+ */