const int addrPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, A0, A1, A2, A3, A4}; // Adjust pins as needed, connect to pins A0-A16 const int dataPins[] = {A5, A6, A7, 22, 23, 24, 25, 26}; // Adjust pins as needed, connect to pins DQ0-DQ7 const int CE = 27; // Chip Enable pin const int OE = 28; // Output Enable pin const int WE = 29; // Write Enable pin void setup() { for (int i = 0; i < 17; i++) { pinMode(addrPins[i], OUTPUT); } for (int i = 0; i < 8; i++) { pinMode(dataPins[i], OUTPUT); } pinMode(CE, OUTPUT); pinMode(OE, OUTPUT); pinMode(WE, OUTPUT); digitalWrite(CE, HIGH); // Disable chip initially digitalWrite(OE, HIGH); digitalWrite(WE, HIGH); } void writeByte(unsigned long address, byte data) { setAddress(address); setData(data); digitalWrite(CE, LOW); // Enable chip digitalWrite(WE, LOW); // Begin write cycle delayMicroseconds(1); // Ensure timing requirements are met digitalWrite(WE, HIGH); // End write cycle digitalWrite(CE, HIGH); // Disable chip } void setAddress(unsigned long address) { for (int i = 0; i < 17; i++) { digitalWrite(addrPins[i], (address >> i) & 0x01); } } void setData(byte data) { for (int i = 0; i < 8; i++) { pinMode(dataPins[i], OUTPUT); // Set pins to output mode digitalWrite(dataPins[i], (data >> i) & 0x01); } } void loop() { writeByte(0x00000, 0xAA); // Write data to address 0x00000 // Add additional write operations as needed }