參數(shù)資料
型號(hào)： M41T81SM6F
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SOP-8
文件頁(yè)數(shù)： 3/32頁(yè)
文件大?。?/td> 524K
代理商： M41T81SM6F
M41T81S
Operation
Doc ID 10773 Rev 6
Figure 5.
Serial bus data transfer sequence
Figure 6.
Acknowledgement sequence
READ mode
In this mode the master reads the M41T81S slave after setting the slave address (see
Figure 8 on page 12). Following the WRITE mode control bit (R/W=0) and the acknowledge
bit, the word address 'An' is written 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
addressed will be transmitted and the master receiver will send an acknowledge bit to the
slave transmitter. The address pointer is only incremented on reception of an acknowledge
clock. The M41T81S slave transmitter will now place the data byte at address An+1 on the
bus, the master receiver 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.
The system-to-user transfer of clock data will be halted whenever the address being read is
a clock address (00h to 07h). The update will resume due to a stop condition or when the
pointer increments to any non-clock address (08h-13h).
Note:
This is true both in READ mode and WRITE mode.
AI00587
DATA
CLOCK
DATA LINE
STABLE
DATA VALID
START
CONDITION
CHANGE OF
DATA ALLOWED
STOP
CONDITION
AI00601
DATA OUTPUT
BY RECEIVER
DATA OUTPUT
BY TRANSMITTER
SCL FROM
MASTER
START
CLOCK PULSE FOR
ACKNOWLEDGEMENT
12
89
MSB
LSB
相關(guān)PDF資料
PDF描述
M41T81SM6E 1 TIMER(S), REAL TIME CLOCK, PDSO8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41T81SM6FT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms
M41T81SMY6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms
M41T81SMY6E 功能描述:實(shí)時(shí)時(shí)鐘 Serial Access 實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41T81SMY6ET 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms
M41T81SMY6F 功能描述:實(shí)時(shí)時(shí)鐘 Serial Access 實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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