Rainbow Electronics AT25040 - Manual (Page 9)

9
AT25010/020/040
3259C–SEEPR–06/03
The AT25010/020/040 is capable of an 8-byte PAGE WRITE operation. After each byte
of data is received, the three low order address bits are internally incremented by one;
the six high order bits of the address will remain constant. If more than 8 bytes of data
are transmitted, the address counter will roll over and the previously written data will be
overwritten. The AT25010/020/040 is automatically returned to the write disable state at
the completion of a WRITE cycle.
NOTE: If the WP pin is brought low or if the device is not Write enabled (WREN), the
device will ignore the Write instruction and will return to the standby state, when CS is
brought high. A new CS falling edge is required to re-initiate the serial communication.