參數(shù)資料
型號: R2033K-E2
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: 3 wire interface Real-Time Clock ICs
中文描述: 0 TIMER(S), REAL TIME CLOCK, QCC12
封裝: 2 X 2 MM, 1 MM HEIGHT, FFP-12
文件頁數(shù): 47/50頁
文件大小: 542K
代理商: R2033K-E2
R2033K/T
Reading Time and Calendar Data
47
(1) Ordinary Process of Reading Time and Calendar Data
Read from Time Counter
and Calendar Counter
*1)
CE
L
CE
H
*1)
(2) Basic Process of Reading Time and Calendar Data with Periodic Interrupt Function
Set Periodic Interrupt
Cycle Selection Bits
*2)
Other Interrupt
Processes
CTFG=1
Yes
Read from Time Counter
and Calendar Counter
No
Control Register 2
(X1X1X011)
Generate Interrupt in CPU
*1)
*3)
*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.
*1) When reading to clock and calendar counters, do not insert
CE=L until all times from second to year have been read to
prevent
error
in
reading
Considerations in Reading and Writing Time Data under
special condition".
time.
(Detailed
in
"P.24
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R2033T 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs
R2033T-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs
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