參數(shù)資料
型號(hào)： RV5C339
廠商： Ricoh Co., Ltd.
英文描述： 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
中文描述： 3線串行接口實(shí)時(shí)時(shí)鐘IC，帶有電壓檢測(cè)功能
文件頁(yè)數(shù)： 20/51頁(yè)
文件大?。?/td> 421K
代理商： RV5C339
RV5C339A
24
1.4-2 Burst Reading Data Transfer Format
The second type of reading data transfer format is designed to transfer a sequence of data serially and can be
selected by specifying in the address pointer a head address with which reading data transfer is to be commenced
and then writing the setting of 4h to the transfer format register. The address pointer is incremented for each
transfer of 1-byte data and cycled from Fh to 0h. This burst reading data transfer can be completed by driving the
CE pin low.
Example of Burst Reading Data Transfer
(For Reading Data from Addresses Fh, 0h, and 1h)
1 1 1 1 0
0
1
Specifying Fh
in the address
pointer
Reading data
from address Fh
Reading data
from address 0h
Data
Data transfer from the host
Data transfer from the real-time clocks
CE
SIO
Setting 4h
in the transfer
format register
Reading data
from address 1h
1 1 1 1 1
0
1
Specifying Fh
in the address
pointer
Reading data
from address Fh
Data transfer from the host
Data transfer from the real-time clocks
CE
SIO
Setting Ch
in the transfer
format register
Setting 8h
in the transfer
format register
Specifying Fh
in the address
pointer
Writing data
to address Fh
Data
1 1 1 1 1
0
1.4-3 Combination of 1-byte Reading and Writing Data Transfer Formats
The 1-byte reading and writing data transfer formats can be combined together and further followed by any other
data transfer format.
Example of Combination of 1-byte Reading and Writing Data Transfer
(For Reading and Writing Data from and to
Address Fh)
The reading and writing data transfer formats correspond to the settings in the transfer format register as shown in
the table below.
1-byte transfer
Burst (Successive) transfer
Writing data transfer
8h
0h
(for writing to real-time clock)
(1,0,0,0)
(0,0,0,0)
Reading data transfer
Ch
4h
(for reading from real-time clock)
(1,1,0,0)
(0,1,0,0)
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RX-4045NBAA REAL TIME CLOCK, PDSO22
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RV5C339A 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C339A_03 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
RV5C339A-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C348A 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C348B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
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