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參數(shù)資料
| 型號(hào)： | RS5C348B-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | Real-Time Clock |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封裝： | 6.40 X 3.50 MM, 1.25 MM HEIGHT, 0.5 MM PITCH, SSOP-10 |
| 文件頁數(shù)： | 15/53頁 |
| 文件大?。?/td> | 452K |
| 代理商： | RS5C348B-E2 |
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R
×
5C348A/B
12
2.1-5 CT
2
, CT
1
, and CT
0
Periodic Interrupt Selection Bits
CT
2
CT
1
CT
0
Description
Waveform mode
Interrupt cycle and fall timing
0
0
0
—
Off (“H”)
0
0
1
—
Fixed at low (“L”)
0
1
0
Pulse Mode
2Hz (Duty cycle of 50%)
0
1
1
Pulse Mode
1Hz (Duty cycle of 50%)
1
0
0
Level Mode
Once per 1 second (Synchronized with second counter increment)
1
0
1
Level Mode
Once per minute (at 00 seconds of every minute)
1
1
0
Level Mode
Once per hour (at 00 minutes and 00 seconds of every hour)
1
1
1
Level Mode
Once per month (at 00 hours, 00 minutes, and 00 seconds of first day of every month)
(Default setting)
1) Pulse Mode: 2-Hz and 1-Hz clock pulses are output in synchronization with the increment of the second counter
as illustrated in the timing chart on the next page.
2) Level Mode: periodic interrupt signals are output with selectable interrupt cycle settings of 1 second, 1 minute,
1 hour, and 1 month. The increment of the second counter is synchronized with the falling edge of
periodic interrupt signals. For example, periodic interrupt signals with an interrupt cycle setting
of 1 second are output in synchronization with the increment of the second counter as illustrated
in the timing chart on the next page.
3) When the oscillation adjustment circuit is used, the interrupt cycle will fluctuate once per 20 seconds as follows:
Pulse Mode: the “L” period of output pulses will increment or decrement by a maximum of ±3.784ms.
For example, 1-Hz clock pulses will have a duty cycle of 50 ±0.3784%.
Level Mode: a periodic interrupt cycle of 1 second will increment or decrement by a maximum of ±3.784ms.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C372A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs |
| RS5C372B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C372B-E1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C372B-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C373A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
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