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參數(shù)資料
| 型號(hào)： | X24042S8I-2.7 |
| 英文描述： | Controller IC; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes |
| 中文描述： | 串行E2PROM |
| 文件頁數(shù)： | 6/15頁 |
| 文件大小： | 62K |
| 代理商： | X24042S8I-2.7 |
X24042
6
Page Write
The X24042 is capable of a sixteen byte page write
operation. It is initiated in the same manner as the byte
write operation, but instead of terminating the write cycle
after the first data word is transferred, the master can
transmit up to seven more words. After the receipt of
each word, the X24042 will respond with an acknowl-
edge.
After the receipt of each word, the three low order
address bits are internally incremented by one. The high
order eight bits of the word address remain constant.
The master should not transmit more than eight words
prior to generating the stop condition. As with the byte
write operation, all inputs are disabled until completion
of the internal write cycle. Refer to Figure 6 for the
address, acknowledge and data transfer sequence.
Acknowledge Polling
The disabling of the inputs can be used to take advan-
tage of the typical 5 ms write cycle time. Once the stop
condition is issued to indicate the end of the host’s write
operation the X24042 initiates the internal write cycle.
ACK polling can be initiated immediately. This involves
issuing the start condition followed by the slave address
for a write operation. If the X24042 is still busy with the
write operation no ACK will be returned. If the X24042
has completed the write operation an ACK will be
returned and the host can then proceed with the next
read or write operation. Refer to Flow 1.
Flow 1. ACK Polling Sequence
3849 FHD F11
Figure 6. Page Write
3849 FHD F12
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:
X24042
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
WORD ADDRESS n
DATA n
DATA n+1
DATA n+15
NOTE: In this example n = xxxx 000 (B); x = 1 or 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X24042S8I-3 | Serial E2PROM |
| X24042S8M | Hot Swap Controller IC; Hot Swap Controller Type:Negative Voltage; Controlled Voltage Min:-10V; Controlled Voltage Max:-80V; Number of Controlled Voltages:1; Package/Case:8-SOIC; Power Good Output:Active High |
| X24042S8M-3 | Serial E2PROM |
| X24042PI-2.7 | Serial E2PROM |
| X24042S8-2.7 | Serial E2PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X24042S8I-3 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X24042S8M | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X24042S8M-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X24042S8M-3 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X2404DI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM |
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