參數(shù)資料
型號(hào): RS5C348B
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: 4-WIRE SERIAL INTERFACE
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO10
封裝: 6.40 X 3.50 MM, 1.25 MM HEIGHT, 0.50 MM PITCH, SSOP-10
文件頁數(shù): 19/45頁
文件大小: 1276K
代理商: RS5C348B
Rx5C348A/B
SO
0Ch
Data
Bad Example (1)
(Where the CE pin is once driven low in the process of reading time data)
Less than 62
s
SO
F0h
CE
Time span of less than 31
s
Writing to
Address 0h
(sec.)
0Ch
CE
Bad Example (3)
(Where a time span of less than 61
s is left between the adjacent processes of reading time data)
Good Example
SO
DATA
F4h
DATA
CE
Address Pointer
= 1h
Transfer Format
Register = 4h
Time span of 31
s or more
Reading from
Address 1h
(min.)
DATA
SO
0Ch
Data
31
s or more
Reading from
Address 1h
(min.)
Data
14h
31
s or more
CE
Data transfer from RTCs
0Ch
Data
Data transfer from the host
Bad Example (2)
(Where a time span of less than 31
s is left until the start of the process of writing time data)
Any address other than addresses 0h to 6h
permits of immediate reading or writing without
requiring a time span of 31
s.
SI
Data
Reading from
Address Fh
(control2)
Reading from
Address 0h
(sec.)
Reading from
Address 2h
(hr.)
Address Pointer
= Fh
Transfer Format
Register = 4h
Address Pointer
= Fh
Transfer Format
Register = 0h
Reading from
Address 0h
(sec.)
Reading from
Address 2h
(hr.)
Address Pointer
= 0h
Transfer Format
Register = Ch
Writing to
Address 1h
(min.)
Writing to
Address 2h
(hr.)
Writing to
Address Fh
(contorl2)
Address Pointer
= 0h
Transfer Format
Register = Ch
Reading from
Address 0h
(sec.)
Reading from
Address 0h
(sec.)
Address Pointer
= 0h
Transfer Format
Register = Ch
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Rev.2.01
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