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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | DS3231SN# |
| 寤犲晢锛� | Maxim Integrated Products |
| 鏂囦欢闋�(y猫)鏁�(sh霉)锛� | 8/20闋�(y猫) |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC RTC W/TCXO 16-SOIC |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 1 |
| 椤炲瀷锛� | 鏅�(sh铆)閻�/鏃ユ |
| 鐗归粸(di菐n)锛� | 璀﹀牨(b脿o)鍣�锛岄枏骞达紝鏂规尝杓稿嚭锛孴CXO/鏅堕珨 |
| 鏅�(sh铆)闁撴牸寮忥細 | HH:MM:SS锛�12/24 灏忔檪(sh铆)锛� |
| 鏁�(sh霉)鎿�(j霉)鏍煎紡锛� | YY-MM-DD-dd |
| 鎺ュ彛锛� | I²C锛�2 绶氫覆鍙� |
| 闆绘簮闆诲锛� | 2.3 V ~ 5.5 V |
| 闆诲 - 闆绘簮锛岄浕姹狅細 | 2.3 V ~ 5.5 V |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 16-SOIC锛�0.295"锛�7.50mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 16-SOIC W |
| 鍖呰锛� | 绠′欢 |
| 鐢�(ch菐n)鍝佺洰閷勯爜(y猫)闈細 | 1434 (CN2011-ZH PDF) |
绗�1闋�(y猫)绗�2闋�(y猫)绗�3闋�(y猫)绗�4闋�(y猫)绗�5闋�(y猫)绗�6闋�(y猫)绗�7闋�(y猫)鐣�(d膩ng)鍓嶇8闋�(y猫)绗�9闋�(y猫)绗�10闋�(y猫)绗�11闋�(y猫)绗�12闋�(y猫)绗�13闋�(y猫)绗�14闋�(y猫)绗�15闋�(y猫)绗�16闋�(y猫)绗�17闋�(y猫)绗�18闋�(y猫)绗�19闋�(y猫)绗�20闋�(y猫)
Extremely Accurate I2C-Integrated
RTC/TCXO/Crystal
16
Maxim Integrated
DS3231
slave by not generating an acknowledge bit on the
last byte that has been clocked out of the slave. In
this case, the slave must leave the data line high to
enable the master to generate the STOP condition.
Figures 3 and 4 detail how data transfer is accom-
plished on the I2C bus. Depending upon the state of
the R/
W bit, two types of data transfer are possible:
Data transfer from a master transmitter to a slave
receiver. The first byte transmitted by the master is
the slave address. Next follows a number of data
bytes. The slave returns an acknowledge bit after
each received byte. Data is transferred with the most
significant bit (MSB) first.
Data transfer from a slave transmitter to a master
receiver. The first byte (the slave address) is trans-
mitted by the master. The slave then returns an
acknowledge bit. Next follows a number of data
bytes transmitted by the slave to the master. The
ACK
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
SLAVE ADDRESS
MSB
SCL
SDA
R/W
DIRECTION
BIT
12
6
7
8
9
1
2
8
9
3鈥�7
Figure 2. I2C Data Transfer Overview
...
A
XXXXXXXX
A
1101000
S
0
XXXXXXXX
A
XXXXXXXX
A
XXXXXXXX
A
P
<R/W>
<WORD ADDRESS (n)>
<DATA (n)>
<DATA (n + 1)>
<DATA (n + X)
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
R/W - READ/WRITE OR DIRECTION BIT ADDRESS
DATA TRANSFERRED
(X + 1 BYTES + ACKNOWLEDGE)
MASTER TO SLAVE
SLAVE TO MASTER
<SLAVE
ADDRESS>
Figure 3. Data Write鈥擲lave Receiver Mode
...
A
XXXXXXXX
A
1101000
S
1
XXXXXXXX
A
XXXXXXXX
A
XXXXXXXX
A
P
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
A - NOT ACKNOWLEDGE (NACK)
R/W - READ/WRITE OR DIRECTION BIT ADDRESS
DATA TRANSFERRED
(X + 1 BYTES + ACKNOWLEDGE)
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK.
MASTER TO SLAVE
SLAVE TO MASTER
<R/W>
<DATA (n)>
<DATA (n + 1)>
<DATA (n + 2)>
<DATA (n + X)>
<SLAVE
ADDRESS>
Figure 4. Data Read鈥擲lave Transmitter Mode
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鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉) |
鍙冩暩(sh霉)鎻忚堪 |
|---|---|
| DS3231SN# | 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� Integrated RTC/TCXO/Crystal RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube |
| DS3231SN#T&R | 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:DS3231 16P SOIC ACC RTC 33V IND 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:REAL TIME CLOCK SERL 16SOIC W - Tape and Reel 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:IC RTC W/TCXO 16-SOIC 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:Real Time Clock Integrated RTC/TCXO/Crystal |
| DS3231SN#T&R | 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� Integrated RTC/TCXO/Crystal RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube |
| DS3231SN/T&R | 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:REAL TIME CLOCK SERL 16SOIC W - Tape and Reel 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:Real Time Clock Integrated RTC/TCXO/Crystal |
| DS3231SN/T&R | 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� Integrated RTC/TCXO/Crystal RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube |
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