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參數(shù)資料
| 型號： | X24645PI |
| 英文描述： | Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection |
| 中文描述： | 先進的2線串行e的2座門鎖TM保護胎膜早破 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大小： | 84K |
| 代理商： | X24645PI |
X24645
6
Figure 6. Page Write
Page Write
The X24645 is capable of a 32-byte page write opera-
tion. It is initiated in the same manner as the byte write
operation, but instead of terminating the write cycle af-
ter the first data word is transferred, the master can
transmit up to thirty-one more bytes. After the receipt of
each byte, the X24645 will respond with an acknowl-
edge.
After the receipt of each byte, the five low order ad-
dress bits are internally incremented by one. The high
order eight bits of the address remain constant. If the
master should transmit more than 32 bytes prior to gen-
erating the stop condition, the address counter will “roll
over” and the previously written data will be overwrit-
ten. As with the byte write operation, all inputs are dis-
abled until completion of the internal write cycle. Refer
to Figure 6 for the address, acknowledge, and data
transfer sequence.
Acknowledge Polling
The Max Write Cycle Time can be significantly reduced
using Acknowledge Polling. To initiate Acknowledge
Polling, the master issues a start condition followed by
the Slave Address Byte for a write or read operation. If
the device is still busy with the high voltage cycle, then
no ACK will be returned. If the device has completed
the write operation, an ACK will be returned and the
host can then proceed with the read or write operation.
Refer to Flow 1.
Flow 1. ACK Polling Sequence
2783 ILL F09
WRITE OPERATION
COMPLETED
ENTER ACK POLLING
ISSUE
START
ISSUE SLAVE
ADDRESS AND R/W = 0
ACK
RETURNED
NEXT
OPERATION
A WRITE
ISSUE BYTE
ADDRESS
PROCEED
ISSUE STOP
NO
YES
YES
PROCEED
ISSUE STOP
NO
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
X24645
S
T
A
R
T
SLAVE
ADDRESS
S
S
T
O
P
P
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
BYTE ADDRESS (n)
DATA n
DATA n+1
DATA n+31
2783 ILL F10.2
相關PDF資料 |
PDF描述 |
|---|---|
| X24645S8-2.7 | ; For Use With:SC4505 Boost Converter |
| X24645S8I | Controller IC; Package/Case:12-MLPQ; Supply Voltage Max:15V; Features:Synchronous Buck/Buck-Boost, Current Mode, Low Voltage; Leaded Process Compatible:Yes; Operating Temp. Max:150 C; Operating Temp. Min:-40 C |
| X24645S8I-2.7 | Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection |
| X24645S8M | Isolated Flyback Switching Regulator with 9V Output |
| X24645S8M-2.7 | Isolated Flyback Switching Regulator with 9V Output |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| X24645PI-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection |
| X24645PIG | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Advanced 2-Wire Serial E2PROM with Block LockTM Protection |
| X24645PIG-2.7 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Advanced 2-Wire Serial E2PROM with Block LockTM Protection |
| X24645PM | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Advanced 2-Wire Serial E2PROM with Block LockTM Protection |
| X24645PM-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection |
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