Содержание
- 2. Applications МК PC Display EEPROM watch µC FPGA I2C SPI RS232 drivers UART GPIO device LED
- 3. INTERFACES ON BLOCK DIAGRAM
- 4. GPIO: General Port Input Output МК RA0 RA1 RA2 RA3 RA4 RA5 RA6 RA7 PORTA TRISA
- 5. Pins interfaces
- 6. UART (USATR) µC µC Тх Rх Тх Rх GND
- 7. UART interface P – parity D0-D7- data what period of the clock on speed 9600 bits
- 8. UART interface void WriteCom(unsigned char value) { while(TXIF == 0) ; TXREG = value; } ……………..
- 9. UART + driver RS232 PC µC Тх Rх Тх Rх GND MAX232 Driver phisic.level UART pic16
- 10. UART + RS232 (level diagram)
- 11. UART + RS485 PC МК Тх Rх Тх Rх GND MAX485 Drivers UART Log.level pic16 Device
- 12. UART + RS485(level diagram)
- 13. SPI interface SCLK : Serial Clock (output from master). MOSI : Master Output, Slave Input (output
- 14. SPI interface SCLK : Serial Clock (output from master). MOSI : Master Output, Slave Input (output
- 15. SPI signal diagram
- 16. I2C interface -2 wires -lot devices -speed 400кБит (100кБ, 1000кБ) -Alternate exchange data SCL : Serial
- 17. I2C diagram
- 18. void I2C_start (void) { BCLIF=0; SSPIF = 0; // сняли флаг SEN = 1; // запустили
- 19. I2C example of the program void send_byte(unsigned char word) { SSPIF = 0; // сняли флаг
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