64bit MACMAC

64 bit MACMicrochipI2CMACEEPROM 24AA025E642.54 mmIPv6ZigBeeFireWire64 bit MACEUI-64

ArduinoMAC

48 bit MAC

• ICMicrochip 24AA025E64T-I/OT
• 2 Kbits1 Kbits
• I2C400 kHz
• I2C0x50
• 1.7 V5.5 V
• 1 mA
• 3 mA
• 1 A
• 10.0 mm 7.5 mm

• 64 bit MAC
• MAC

Arduino

Arduino UNOOK

#include #include #include #define MAC_24AA02Exx_DEV_ADDR 0x50#define MAC_24AA02Exx_REG_ADDR_MAC 0xF8void setup() { Serial.begin(115200); while (!Serial); // execute ADC one time in order to power the Arduino AREF pin analogRead(A0); delay(1); // Wait until the IC starts up // I2C init and read MAC address Wire.begin(); Wire.setClock(100000); Wire.beginTransmission(MAC_24AA02Exx_DEV_ADDR); Wire.write(MAC_24AA02Exx_REG_ADDR_MAC); Wire.endTransmission(false); Wire.requestFrom(MAC_24AA02Exx_DEV_ADDR, 8); uint8_t MAC_addr_buf[8] = {”}; for(int i = 0; i < 8; i++) MAC_addr_buf[i] = Wire.read(); // Determine whether the MAC address is EUI-48 or EUI-64 int MAC_bytes; uint8_t MAC_addr[8] = {''}; if( (MAC_addr_buf[0] == 0xFF) && (MAC_addr_buf[1] == 0xFF) ) { MAC_bytes = 6; // EUI-48 (24AA02xE48) memcpy(MAC_addr, MAC_addr_buf + 2, MAC_bytes); } else { MAC_bytes = 8; // EUI-64 (24AA02xE64) memcpy(MAC_addr, MAC_addr_buf, MAC_bytes); } // print MAC address Serial.print(8 * MAC_bytes); Serial.print("bit MAC address : "); for(int i = 0; i < MAC_bytes; i++) { char strBuf[3]; sprintf(strBuf, "%02X", MAC_addr[i]); Serial.print(strBuf); if(i < (MAC_bytes - 1)) Serial.print("-"); } Serial.println();}void loop() {}

NUCLEO-L476RG (IDESW4STM32)

License

MIT License, see LICENSE.txt.

_Y2Kb_

: Y2KB-007