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参数资料
| 型号： | RV5C339 |
| 厂商： | Ricoh Co., Ltd. |
| 英文描述： | 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| 中文描述： | 3线串行接口实时时钟IC，带有电压检测功能 |
| 文件页数： | 6/51页 |
| 文件大小： | 421K |
| 代理商： | RV5C339 |
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11
RV5C339A
2.1-5 CT2, CT1, and CT0
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.
TEST
Description
0
Normal operation mode
1
Test mode
2.1-4 TEST
Test Bit
(Default setting)
The TEST bit is used only for testing in the factory and should normally be set to 0.
Periodic Interrupt Selection Bits
CT2
CT1
CT0
Description
Waveform mode
Interrupt cycle and falling timing
0
—
Off (“H”)
0
1
—
Fixed at low (“L”)
0
1
0
Pulse Mode
2Hz (Duty cycle of 50%)
0
1
Pulse Mode
1Hz (Duty cycle of 50%)
1
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
0
Level Mode
Once per hour (at 00 minutes and 00 seconds of every hour)
1
Level Mode
Once per month (at 00 hours, 00 minutes, and 00 seconds of first day of every month)
(Default setting)
2.1-3 CLEN2
32-kHz Clock Output Bit 2
CLEN2
Description
0
Enabling the 32-kHz clock circuit
1
Disabling the 32-kHz clock circuit
(Default setting)
Setting the CLEN2 bit or the CLEN1 bit (D3 in the control register 2) to 0, specifies generating clock pulses with
the oscillation frequency of the 32.768-kHz crystal oscillator for output from the 32KOUT pin. Conversely, setting
both the CLEN1 and the CLEN2 bit to 1 disabling (“H”) such output.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RV5C339A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RV5C339A_03 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION |
| RV5C339A-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RV5C348A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RV5C348B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
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