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参数资料
| 型号： | RS5C372A-E2 |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.65 MM PITCH, SSOP-8 |
| 文件页数： | 16/59页 |
| 文件大小： | 442K |
| 代理商： | RS5C372A-E2 |
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RS5C372A/B
19
2.2-2 ADJ
±30 Second Adjust Bit
ADJ
Description
0
Ordinary operation
1
Second digit adjustment
The following operations are performed by setting the second ADJ bit to 1.
1) For second digits ranging from “00” to “29” seconds:
Time counters smaller than seconds are reset and second digits are set to “00”.
2) For second digits ranging from “30” to “59” seconds:
Time counters smaller than seconds are reset and second digits are set to “00”. Minute digits are incremented
by 1.
Second digits are adjusted within 122s (within 125s: when 32.000kHz crystal is used) from writing operation to
ADJ.
The ADJ bit is for write only and allows no read operation.
2.2-3 XSTP
Oscillator Halt Sensing Bit
XSTP
Description
0
Ordinary oscillation
1
Oscillator halt sensing
(Default)
The XSTP bit senses the oscillator halt.
When oscillation is halted after initial power on from 0V or drop in supply voltage the bit is set to “1” and which
remains to be “1” after it is restarted. This bit may be used to judge validity of clock and calendar count data after
power on or supply voltage drop.
When this bit is set to “1”, XSL, F6 to F0, CT2, CT1, CT0, AALE, BALE, SL2, SL1, CLEN and TEST bits are reset to
“0”. INTRA(INTR)* will stop output and the INTRB(32KOUT)* will output 32kHz clock pulses.
The XSTP bit is set to “0” by setting the control register 2 (address Fh) during ordinary oscillation.
32-kHz Clock Output Bit
CLEN
Description
0
32-kHz clock output enabled
1
32-kHz clock output disabled
(Default)
By setting this bit to “0”, output of clock pulses of the same frequency as the crystal oscillator is enabled.
2.2-4 CLEN
*) INTRA and INTRB for the RS5C372A, INTR and 32KOUT for the RS5C372B.
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RS5C372B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C372B-E1 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C372B-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP) |
| RS5C373A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock |
| RS5C4FC | 制造商:Dialight 功能描述: |
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