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参数资料
| 型号： | M41T0DW6F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封装： | TSSOP-8 |
| 文件页数： | 3/19页 |
| 文件大小： | 236K |
| 代理商： | M41T0DW6F |
11/19
M41T0
READ Mode
In this mode, the master reads the M41T0 slave
after setting the slave address (see Figure 9). Fol-
lowing the WRITE Mode Control Bit (R/W = 0) and
the Acknowledge Bit, the word address An is writ-
ten to the on-chip address pointer. Next the
START condition and slave address are repeated,
followed by the READ Mode Control Bit (R/W =1).
At this point, the master transmitter becomes the
master receiver. The data byte which was ad-
dressed will be transmitted and the master receiv-
er will send an Acknowledge Bit to the slave
transmitter. The address pointer is only increment-
ed on reception of an Acknowledge Bit. The
M41T0 slave transmitter will now place the data
byte at address An+1 on the bus. The master re-
ceiver reads and acknowledges the new byte and
the address pointer is incremented to An+2.
This cycle of reading consecutive addresses will
continue until the master receiver sends a STOP
condition to the slave transmitter.
An alternate READ Mode may also be implement-
ed, whereby the master reads the M41T0 slave
without first writing to the (volatile) address point-
er. The first address that is read is the last one
stored in the pointer (see Figure 11, page 12).
WRITE Mode
In this mode the master transmitter transmits to
the M41T0 slave receiver. Bus protocol is shown
in Figure 12, page 12. Following the START con-
dition and slave address, a logic '0' (R/W = 0) is
placed on the bus and indicates to the addressed
device that word address An will follow and is to be
written to the on-chip address pointer. The data
word to be written to the memory is strobed in next
and the internal address pointer is incremented to
the next memory location within the RAM on the
reception of an acknowledge clock. The M41T0
slave receiver will send an acknowledge clock to
the master transmitter after it has received the
slave address and again after it has received the
word address and each data byte (see Figure 9).
Figure 9. Slave Address Location
AI00602
R/W
SLAVE ADDRESS
START
A
0
100
0
11
MSB
LSB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M41T0EVM | 制造商:P&S 功能描述:M41T0 Evaluation Board, and a CD of Development Data 制造商:P&S 功能描述:M41T0 Evaluation Board,CD of Development |
| M41T0M | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SERIAL REAL-TIME CLOCK |
| M41T0M6 | 功能描述:实时时钟 ENV 511-M41T0M6E RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41T0M6E | 功能描述:实时时钟 Serial 64 (8X8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41T0M6F | 功能描述:实时时钟 Serial 64 (8X8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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