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Program BUFFER WRITE: Data can be shifted in from the Sl pin into either buffer l or buffer 2. To load data into either buffer, an 8-bit opcode, 84H for buffer l or 87H for buffer 2, is followed by 15 don't care bits and nine address bits (BFA8-BFAO). The nine address bits specify the first byte in the buffer to be written. The data is entered following the address bits. If the end of the data buffer is reached, the device will wrap around back to the beginning of the buffer. Data will continue to be loaded into the buffer until a low to high transition is detected on the CS pin. BUFFER TO MAIN MEMORY PAGE PROGRAM WITH BUILT-IN ERASE: Data written into either buffer l or buffer 2 can be programmed into the main memory. An 8-bit
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