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參數(shù)資料
| 型號： | RS5C372B-E1 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| 中文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | 0.65 MM PITCH, SSOP-8 |
| 文件頁數(shù)： | 21/39頁 |
| 文件大?。?/td> | 474K |
| 代理商： | RS5C372B-E1 |
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RS5C372B
- 21 -
1
S
0
A
A
Data
/A P
Example1 of data read (when data is read from 2h-4h)
Master to slave
Slave to master
S
Start Condition
Sr
Repeated Start
Condition
A
A
/A
Acknowledge
Repeated Start Condition
0
1
0
0
0
1
1
0 0 0
0
0
0
1
Sr
1
0
A
Transmission of
slave address
(0110010)
1
0
0 0
0
1
A
Data
A
Data
R/W=1(Read)
R/W=0(Write)
P
Stop Condition
Setting of 0h
to the trans-
mission for-
mat register
Setting of 2h
to the Internal
Address
Pointer
Reading of data
from the Internal
Address 3h
Transmission of
slave address
(0110010)
Reading of data
from the Internal
Address 4h
Reading of data
from the Internal
Address 2h
2) The second method to reading data from the internal register is to start reading immediately after writing
to the Internal Address pointer and the transmission format register. Although this method is not based on
the I
2
C-bus standard in a strict sense it still effective to shorten read time to ease load to the master. Set
4h to the transmission format register when this method is used.
1
S
A
A
Data
/A P
S
A
A
/A
0 1
1
0 0
0
1
1
0
A
1
0
0 0
0
Transmission of
slave address
(0110010)
1
A
Data
A
Data
R/W=0(Write)
P
Data
Example2 of data read (when data is read from Eh-1h)
Setting of 4h
to the trans-
mission for-
mat register
Setting of Eh
to the Internal
Address
Pointer
Reading of data
from the Internal
Address Fh
Reading of data
from the Internal
Address 0h
Reading of data
from the Internal
Address 1h
Reading of data
from the Internal
Address Eh
Master to slave
Slave to master
Start Condition
Acknowledge
Stop Condition
3) The third method to reading data from the internal register is to start reading immediately after writing to
the slave address and the R/W bit. Since the internal address pointer is set to Fh by default as described
in 1), This method is only effective when reading is started from the internal address Fh.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C372B-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C373A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
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