clock/README

   1 Assignment of peripherals and pins
   2 ==================================
   3
   4 I2C1    BMP085
   5 I2C2    display
   6 USART1  debugging
   7
   8
   9                            Blue Pill pinout
  10                         +--------------------+
  11                         | VBATT         3.3V |
  12 BluePill LED            | PC13           GND |
  13                         | PC14            5V |
  14                         | PC15           PB9 |
  15                         | PA0            PB8 |
  16                         | PA1            PB7 |  BMP085 SDA
  17                         | PA2            PB6 |  BMP085 SCL
  18                         | PA3            PB5 |  BMP085 conversion done
  19                         | PA4            PB4 |
  20                         | PA5            PB3 |
  21                         | PA6           PA15 |
  22                         | PA7           PA12 |
  23                         | PB0           PA11 |
  24                         | PB1           PA10 |  RXD1 - debugging console
  25 display SCL             | PB10           PA9 |  TXD1 - debugging console
  26 display SDA             | PB11           PA8 |
  27                         | RESET         PB15 |
  28                         | 3.3 V         PB14 |
  29                         | GND           PB13 |
  30                         | GND           PB12 |
  31                         +--------------------+