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): 40/42頁
文件大?。?/td> 362K
代理商: RV5C386A-E2
RV5C386A PRELIMINARY
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14.8.3.
(1) Ordinary Process of Reading Time and Calendar Data
Reading Time and Calendar Data
Read from Time Counter
and Calendar Counter
*2)
Start Condition
Start Condition
*1)
(2) Basic Process of Reading Time and Calendar Data with Periodic Interrupt Function
*2)
Other Interrupt
Processes
Set Periodic Interrupt
Cycle Selection Bits
CTFG=1
Yes
Read from Time Counter
and Calendar Counter
No
Control Register 2
(X1X1X011)
Generate Interrupt in CPU
*1)
*3)
*1) When writing to clock and calendar counters, do not insert Stop Condition
until all times from second to year have been written to prevent error in
writing time. (Detailed in "14.1.5. Data Transmission under Special
Condition".
*2) Take care so that process from Start Condition to Stop Condition will be
complete within 0.5sec. (Detailed in "14.1.5. Data Transmission under
Special Condition".
*1) This step is intended to select the level mode as a
waveform mode for the periodic interrupt function.
*2) This step must be completed within 0.5 second.
*3) This step is intended to set the CTFG bit to 0 in the
Control Register 2 to cancel an interrupt to the CPU.
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