BU9833GUL-W ROHM Co. Ltd., BU9833GUL-W Datasheet - Page 10

• Manufacturer Part Number: BU9833GUL-W
• Description: 256?8 Bit Electrically Erasable Prom
• Manufacturer: ROHM Co. Ltd.

◇ PAGE WRITE
SDA
LINE
WP
SDA
LINE
WP
○By using this command, the data is programed into the indicated word address.
○If the master transmits more than eight words, prior to generating the STOP condition,
○When the master generates a STOP condition, the device begins the internal
○ This device is capable of eight byte Page Write operation.
○ When two or more byte data are inputted, the three low order address bits are internally
incremented by one after the receipt of each word. The five higher order bits of the
address(WA7～WA3) remain constant.
the address counter will “roll over,” and the previous transmitted data will be overwritten.
write cycle to the nonvolatile memory array.
S
T
A
R
T
A
R
S
T
T
1 0
1
ADDRESS
0
SLAVE
1
0
ADDRESS
1
SLAVE
A2
0
0
A2
0
0
Fig.-8 BYTE WRITE CYCLE TIMING
Fig.-9 PAGE WRITE CYCLE TIMING
W
R
R
W
T
E
/
I
0
A
C
K
WA
W
R
/
W
R
T
E
7
I
A
C
K
ADDRESS（ｎ）
WA
7
WORD
ADDRESS
WORD
REV. A
WA
0
A
C
K
D7
WA
0
DATA(n)
A
C
K
D7
D0
DATA
A
C
K
DATA(n+7)
D0
A
C
K
O
S
T
P
D0
C
A
K
O
S
T
P
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