R1EX24004ASAS0I Datasheet, PDF (15/24 Pages) Renesas Technology Corp – Two-wire serial interface 4k EEPROM (512-word × 8-bit)

R1EX24004AxxS0I
Page Write:
The page write is the same sequence as the byte write. The page write is initiated by a start condition,
device address word and memory address(n) with every ninth bit acknowledgment"0". But after inputting
write data(Dn) , the EEPROM outputs acknowledgment "1"(NO ACK). Then the EEPROM write
operations are not allowed.
Page Write Operation
WP
4k
Start
Device
address
1010
Memory
address (n)
W
ACK
R/W
No ACK
No ACK
Write data (n) Write data (n+m)
ACK
Stop
REJ03C0356-0001 Rev.0.01 Jan. 11, 2008
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