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參數(shù)資料
| 型號(hào)： | R2043K-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | 4-wire Serial Interface |
| 中文描述： | REAL TIME CLOCK, QCC12 |
| 封裝： | 2 X 2 MM, 1 MM HEIGHT, FFP-12 |
| 文件頁數(shù)： | 22/48頁 |
| 文件大?。?/td> | 458K |
| 代理商： | R2043K-E2 |
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R2043K/T
O
Writing Data Transfer Formats
(1) 1-byte Writing Data Transfer Format
The first type of writing data transfer format is designed to transfer 1-byte data at a time and can be selected by
specifying in the address pointer a head address with which writing data transfer is to be commenced and then
writing the setting of 8h to the transfer format register. This 1-byte writing data transfer can be completed by
driving the CE pin low or continued by specifying a new head address in the address pointer and setting the data
transfer format.
Example of 1-byte Writing Data Transfer (For Writing Data to Addresses Fh and 7h)
12345
Rev.2.06 - 22 -
1
1
Data
Data
Data transfer from the host
CE
Data transfer from the RTCs
SO
Specifying 7h
in the
Address
Pointer
0
1
0 0
1
1
Setting 8h in
the Transfer
Format
Register
Writing data to
address Fh
Writing data to
address 7h
0
1
1
0 0 0
1 1
Specifying Fh
in the
Address
Pointer
Setting 8h in
the Transfer
Format
Register
SI
(2) Burst Writing Data Transfer Format
The second type of writing 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 writing data transfer is to be
commenced and then writing the setting of 0h 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 writing data transfer can be
completed by driving the CE pin low.
Example of Burst Writing Data Transfer (For Writing Data to Addresses Eh, Fh, and 0h)
1
0
Data
Data
CE
SO
0
0
0 0
1
1
SI
Data
Data transfer from the host
Data transfer from the RTCs
Writing data to
address Eh
Specifying Eh
in the
Address
Pointer
Setting 0h in
the Transfer
Format
Register
Writing data to
address Fh
Writing data to
address 0h
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2043T | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface |
| R2043T-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface |
| R20440 | 制造商:Microsemi Corporation 功能描述:STD RECOVERY RECTFR 400V 12A 2PIN DO-4 - Bulk |
| R2045D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface Real Time Clock Module |
| R2045S | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface Real Time Clock Module |
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