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參數(shù)資料
| 型號： | RV5C386A-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封裝： | 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |
| 文件頁數(shù)： | 21/42頁 |
| 文件大小： | 362K |
| 代理商： | RV5C386A-E2 |
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PRELIMINARY RV5C386A
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14.1.3.
Data Transmission Write Format in the RV5C386A
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 RV5C386A 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.
1
A
S
0
A
Data
A
Data
A P
Example of data writing (When writing to internal address Eh to Fh)
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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