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)： 22/51頁(yè)
文件大小： 421K
代理商： RV5C339
RV5C339A
26
CE
SIO
F0h
Data
CE
Time span of 31
s or more
Specifying Fh in the
address pointer
Writing 4h to the
transfer format register
Reading from the
control register 2
at address Fh
Reading from
the second
counter at
address 0h
Reading from
the minute
counter at
address 1h
Reading from
the hour counter
at address 2h
F4h
Data
CE
SIO
Time span of
31
s or more
Time span of less than 31
s
Time span of
less than 61
s
Time span of
31
s or more
Specifying 0h in the
address pointer
Writing Ch in the
transfer format register
Specifying Fh in the
address pointer
Writing 0h to the
transfer format register
Specifying 0h in the
address pointer
Writing Ch to the
transfer format register
Specifying 0h in the
address pointer
Writing Ch to the
transfer format register
Specifying 1h in the
address pointer
Writing 4h in the
transfer format register
Reading from
the second
counter
at address 0h
Writing to the
control register 2
at address Fh
Reading from
the hour counter
at address 2h
Reading from
the minute
counter
at address 1h
Writing to the
second counter
at address 0h
Reading from the
second counter
at address 0h
Writing to the
minute counter
at address 1h
Writing to the
hour counter
at address 2h
0Ch
Data
14h
CE
SIO
Reading from the
second counter
at address 0h
0Ch
Data
0Ch
Data
Good Example
Bad Example (2) (Where a time span of less than 31
s is left until the start of the process of writing time data)
Bad Example (3) (Where a time span of less than 61
s is left between the adjacent processes of reading time data)
Data transfer from the host
Data transfer from the real-time clocks
Any address other than addresses 0h to 6h
permits of immediate reading or writing
without requiring a time span of 31
s.
Bad Example (1) (Where the CE pin is once driven low in the process of reading time data)
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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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