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參數(shù)資料
| 型號(hào)： | RS5C317A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| 封裝： | 0.65 MM PITCH, SSOP-14 |
| 文件頁(yè)數(shù)： | 36/40頁(yè) |
| 文件大?。?/td> | 309K |
| 代理商： | RS5C317A |
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RS5C317A/B
32
Note
15.3 Read Operation from Clock and Calendar Counters
15.3-1
15.3-3
15.3-2
CTFG=1
Read from clock and
calendar
counters.
Interrupt
operation
from any
other IC
Interrupt to CPU
Control register 1
←
2h
YES
NO
*
6
*
7
*
8
BSY=0
Read from clock and
calendar
counters.
CE=L
Wait or
other
operations.
CE=L
Control register 1
←
0h
CE=H
YES
NO
*
1
*
2
*
3
*
4
Read from clock and
calendar
counters.
Again read 1-second
digit of clock
counter.
Two 1-second
digit
readings
match
Read 1-second
digit of clock
counter.
NO
YES
*
5
*
5
*
5
Read data as described in 15.3-2 or 15.3-3 when it takes (1/1024) sec or more to set the WTEN bit from 0 to 1
(CE=L), the read operation described in 15.3-1 is prohibited as such a case.
*
1) to
*
4) These notes are the same as 15.2 notes
*
1) to
*
4).
*
5) When needing any higher-order digits than the minute digits, replace
second digits with minute digits. (Reading LSD one of the required digits
twice.)
*
6) Select the level mode as an interrupt mode by setting the CT
3
bit to 1.
*
7) Write 0 to CTFG bit for turning off INTR pin.
*
8) Complete read operation within an interrupt cycle after interrupt genera-
tion. (e.g. within 1 second)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C317A/B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:real-time clock ICs |
| RS5C317B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs |
| RS5C321A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C321A/B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:real-time clock ICs |
| RS5C321B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
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