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參數(shù)資料
| 型號： | M34S32BN |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CAP 220UF 35V ELECT LXY RAD |
| 中文描述： | 32K的串行I2C總線的EEPROM與用戶定義的只讀塊和32字節(jié)檢察官頁 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 156K |
| 代理商： | M34S32BN |
M34S32
11/18
Example of an incorrect sequence, disabling the
Write in the OTP page:
Start
1010 0010
(OTP page select code)
Ack
xxxx 0000
(MSB address)
Ack
0000 0100
(incorrect LSB address)
Ack
(acknowledged, but...)
0100 1101
(the attempts at)
(no ack)
(writing data to the)
1100 1010
(OTP page are)
(no ack)
(not acknowledged)
0101 0011
(no ack)
Stop
Figure 10. Write Modes Sequence with WC = 0
and WCpol = 0
Note:
1. The device has the same behavior when WC = 1 and
WCpol = 1.
S
S
BYTE WRITE
DEV SEL
BYTE ADDR
BYTE ADDR
DATA IN
WC
S
PAGE WRITE
DEV SEL
BYTE ADDR
BYTE ADDR
DATA IN 1
WC
DATA IN 2
AI01106B
PAGE WRITE
(cont'd)
WC (cont'd)
S
DATA IN N
ACK
R/W
ACK
ACK
ACK
ACK
ACK
ACK
ACK
R/W
ACK
ACK
Minimizing System Delay by Polling On ACK.
During the internal Write cycle, the memory disa-
bles itself from the bus in order to copy the data
from the internal latches to the memory cells. The
maximum value of the Write time (t
W
) is given in
the AC Characteristics table, this timing value may
be reduced by an ACK polling sequence issued by
the master.
The sequence is:
– Initial condition: a Write is in progress (see Fig-
ure 7).
– Step 1: the Master issues a START condition fol-
lowed by a Device Select Byte. (1st byte of the
new instruction)
– Step 2: if the memory is internally writing, no
ACK will be returned. The Master goes back to
Step1. If the memory has terminated the internal
writing, it will issue an ACK.
The memory is ready to receive the second part of
the instruction (the first byte of this instruction was
already sent during Step1).
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| M34S32MN5T | 32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
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相關(guān)代理商/技術(shù)參數(shù) |
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| M34S32BN1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
| M34S32BN5T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
| M34S32BN6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
| M34S32MN | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
| M34S32MN1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32K Serial I2C Bus EEPROM With User-Defined Read-Only Block and 32-Byte OTP Page |
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