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STM32_W5500_Dev

Bug

V1.1

  • USB-C Buchse DP und DN vertauscht => Nur für Strom zu gebauchen
  • USB-c buchse keine Pull Down für funktion USB-C => USB-C
  • Fehlender Puffercondensator am POE Module => Starkes fiepen

Features

  • STM32F103
  • W5500
  • RS485 (MAX3485)
  • RGBW Mosfet
  • USB-C
  • User LED (PC13)
  • TagConnect
  • Vcc Input 5-28V
  • POE Power
  • Extention Port

Pinout

STM32 Function Pin Pin Function STM32
3,3V 1 2 Vcc
PA9 TX1 3 4 RX1 PA10
PA2 TX2 5 6 RX2 PA3
PB7 SDA 7 8 SCL PB6
PA6 MISO 9 10 MOSI PA7
Pa4 CS 11 12 SCK PA5
PB8 IO 13 14 IO PB9
PA0 IO 15 16 IO PA1
PB2 IO 17 18 N.C.
GND 19 20 GND

Intern verwendete Pins

Ethernet SPI

Der Ethernet Chip W5500 hängt auf dem SPI2 des STM32:

MOSI => PB15
MISO => PB14
SCK  => PB13
CS   => PB12
INT  => PA8

Serial RS485

Der MAX485 hängt an den Pins für den Serial1 des STM32

RX => PB11
TX => PB10
EN => PB1

Staus Led

LED => PC13 LOW aktiv

MOSFET Ausgänge

T1 => PB3
T2 => PA15
T3 => PB5
T4 => PB4

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