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參數(shù)資料
| 型號(hào)： | R2023T-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | 2-wire Serial Interface Real Time Clock IC |
| 中文描述： | REAL TIME CLOCK, PDSO10 |
| 封裝： | 4 X 2.90 MM, 1 MM HEIGHT, TSSOP-10 |
| 文件頁(yè)數(shù)： | 25/50頁(yè) |
| 文件大?。?/td> | 512K |
| 代理商： | R2023T-E2 |
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R2023K/T
(4) Data Transmission Write Format in the R2023K/T
Although the I
2
C-Bus standard defines a transmission format for the slave allocated for each IC, transmission
method of address information in IC is not defined. The R2023K/T transmits data the internal address pointer
(4bit) and the Transmission Format Register (4bit) at the 1byte next to one which transmitted a Slave Address and
a write command. For write operation only one transmission format is available and (0000) is set to the
Transmission Format Register. The 3byte transmits data to the address specified by the internal address pointer
written to the 2byte. Internal address pointer setting are automatically incremented for 4byte and after. Note that
when the internal address pointer is Fh, it will change to 0h on transmitting the next byte.
Example of data writing (When writing to internal address Eh to Fh)
25
1
A
S
0
A
Data
A
Data
A P
Master to slave
Slave to master
S
Start Condition
P
Stop Condition
A
A
/A
Acknowledge signal
Address
Pointer
←
Eh
R/W=0(Write)
Slave Address
←
(0110010)
1
1
0
0
0
0
0
0 0 0
0
1 1
1
Transmission
Format
Register
←
0h
Writing of data to the
internal address Fh
Writing of data to the
internal address Eh
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