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參數(shù)資料
| 型號(hào)： | CAT1025ZD4A-30 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8 |
| 封裝： | LEAD AND HALOGEN FREE, 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDFN-8 |
| 文件頁(yè)數(shù)： | 3/17頁(yè) |
| 文件大小： | 110K |
| 代理商： | CAT1025ZD4A-30 |
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11
Preliminary Information
CAT1024, CAT1025
Doc No. 3008, Rev. H
Page Write
The CAT1024/25 writes up to 16 bytes of data in a single
write cycle, using the Page Write operation. The page
write operation is initiated in the same manner as the byte
write operation, however instead of terminating after the
initial byte is transmitted, the Master is allowed to send up
to 15 additional bytes. After each byte has been
transmitted, the CAT1024/25 will respond with an
acknowledge and internally increment the lower order
address bits by one. The high order bits remain
unchanged.
If the Master transmits more than 16 bytes before sending
the STOP condition, the address counter ‘wraps around,’
and previously transmitted data will be overwritten.
When all 16 bytes are received, and the STOP condition
has been sent by the Master, the internal programming
cycle begins. At this point, all received data is written to
the CAT1024/25 in a single write cycle.
BYTE
ADDRESS
SLAVE
ADDRESS
S
A
C
K
A
C
K
DATA
A
C
K
S
T
O
P
BUS ACTIVITY:
MASTER
SDA LINE
S
T
A
R
T
Figure 8. Byte Write Timing
Figure 9. Page Write Timing
BUS ACTIVITY:
MASTER
SDA LINE
DATA n+15
BYTE
ADDRESS (n)
A
C
K
A
C
K
DATA n
A
C
K
S
T
O
P
S
A
C
K
DATA n+1
A
C
K
S
T
A
R
T
P
SLAVE
ADDRESS
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