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参数资料
| 型号： | M34D64-RDW6T |
| 厂商： | 意法半导体 |
| 元件分类： | DRAM |
| 英文描述： | 64 Kbit Serial I2C Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| 中文描述： | 64千位串行I2C总线的EEPROM，带有硬件写控制记忆的热门季 |
| 文件页数： | 8/21页 |
| 文件大小： | 147K |
| 代理商： | M34D64-RDW6T |
M34D64
8/21
Figure 9. Read Mode Sequences
Note: 1. The seven most significant bits of the Device Select Code of a Random Read (in the 1
st
and 4
th
bytes) must be identical.
Read Operations
Read operations are performed independently of
the state of the Write Control (WC) signal.
Random Address Read
A dummy Write is performed to load the address
into the address counter (as shown in Figure 9) but
without sending a Stop condition. Then, the bus
master sends another Start condition, and repeats
the Device Select Code, with the RW bit set to 1.
The device acknowledges this, and outputs the
contents of the addressed byte. The bus master
must not acknowledge the byte, and terminates
the transfer with a Stop condition.
Current Address Read
The device has an internal address counter which
is incremented each time a byte is read. For the
Current Address Read operation, following a Start
condition, the bus master only sends a Device
Select Code with the RW bit set to 1. The device
acknowledges this, and outputs the byte
addressed by the internal address counter. The
counter is then incremented. The bus master
terminates the transfer with a Stop condition, as
shown in Figure 9, without acknowledging the
byte.
S
DEV SEL *
BYTE ADDR
BYTE ADDR
S
DEV SEL
DATA OUT 1
AI01105C
DATA OUT N
S
S
CURRENT
ADDRESS
READ
DEV SEL
DATA OUT
RANDOM
ADDRESS
READ
S
S
DEV SEL *
DATA OUT
SEQUENTIAL
CURRENT
READ
S
DATA OUT N
S
DEV SEL *
BYTE ADDR
BYTE ADDR
SEQUENTIAL
RANDOM
READ
S
DEV SEL *
DATA OUT 1
S
ACK
R/W
NO ACK
ACK
R/W
ACK
ACK
ACK
R/W
ACK
ACK
ACK
NO ACK
R/W
NO ACK
ACK
ACK
ACK
R/W
ACK
ACK
R/W
ACK
NO ACK
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34D64-RMN6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit Serial I2C Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64RMNT1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64RMNT5 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64RMNT6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64-W | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit Serial I2C Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
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