參數(shù)資料
型號(hào)： R2023T
廠商： Ricoh Co., Ltd.
英文描述： 2-wire Serial Interface Real Time Clock IC
中文描述： 2線串行接口實(shí)時(shí)時(shí)鐘芯片
文件頁(yè)數(shù)： 26/50頁(yè)
文件大?。?/td> 512K
代理商： R2023T
R2023K/T
(5) Data transmission read format of the R2023K/T
The R2023K/T allows the following three read out method of data an internal register.
The first method to reading data from the internal register is to specify an internal address by setting the internal
address pointer and the transmission format register described P25 (4), generate the Repeated Start Condition
(See P24 (3)) to change the data transmission direction to perform reading. The internal address pointer is set to
Fh when the Stop Condition is met. Therefore, this method of reading allows no insertion of Stop Condition before
the Repeated Start Condition. Set 0h to the Transmission Format Register when this method used.
Example 1 of Data Read (when data is read from 2h to 4h)
26
1
S
0
A
A
Data
/A P
Master to slave
Slave to master
S
Start Condition
Sr
Repeated Start
Condition
A
A
/A
Acknowledge signal
Address
Pointer
←
2h
Repeated Start Condition
0
1
0
0
0
1
1
0 0 0
0
0
0
1
Transmission
Format
Register
←
0h
Sr
1
0
A
Slave Address
←
(0110010)
1
0
0 0
0
1
A
Data
A
Data
Reading of data from
the internal address 3h
R/W=1(Read)
R/W=0(Write)
P
Stop Condition
Slave Address
←
(0110010)
Reading of data from
the internal address 4h
Reading of data from
the internal address 2h
相關(guān)PDF資料
PDF描述
R2023T-E2 2-wire Serial Interface Real Time Clock IC
R2025D High precision I2C-Bus Real-Time Clock Module
R2025S High precision I2C-Bus Real-Time Clock Module
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R5326Z004A Automatic Mode Shift 2ch 150mA LDO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R2023T-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2-wire Serial Interface Real Time Clock IC
R2-0257-02 制造商:Southco 功能描述:
R2-0259-02 制造商:Southco 功能描述:
R2025D 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:High precision I2C-Bus Real-Time Clock Module
R2025S 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:High precision I2C-Bus Real-Time Clock Module
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