ATMEGA128, SPI, AT45DBXX Data Flash

ATMEGA128, SPI, AT45DBXX Data Flash

0. 참고 자료

• http://egloos.zum.com/bellona/v/1586302
• http://embejied.tistory.com/37
  
• http://ww1.microchip.com/downloads/en/DeviceDoc/doc2467.pdf

1. 모듈

2. HW 구성

3. SW 구성

PORTE.0 : UART RXD0
PORTE.1 : UART TXD0

PORTB.0 : SS
PORTB.1 : SCK
PORTB.2 : MOSI

PORTB.3 : MISO

at45dbxx.c at45dbxx.h int at45db_initialize(void); void at45db_test(void); at45dbxx_spi.prj main.c myMCU.c myMCU.h void mcuInit(void); mySPI.c mySPI.h void spiRead(unsigned char *pdata, unsigned char len); void spiWrite(unsigned char *pdata, unsigned char len); void spiInit(void); myUART.c myUART.h void uartInit(unsigned char line);

4. 소스

•  https://github.com/sglee0223/atmega128/tree/master/at45dbxx_spi

5. 결과