Introduction - If you have any usage issues, please Google them yourself
This program accesses a SPI EEPROM using polled mode access. The F04x MCU
is configured in 4-wire Single Master Mode, and the EEPROM is the only
// slave device connected to the SPI bus. The read/write operations are
// tailored to access a Microchip 4 kB EEPROM 25LC320. The relevant hardware
connections of the F04x MCU are shown here: