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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： | 40/59页 |
| 文件大小： | 442K |
| 代理商： | RS5C372A-E2 |
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RS5C372A/B
41
When power ON (XSTP=1) since AALE=BALE=CT2=CT1=CT0=CLEN=SL2=SL1=0,
INTRA=OFF (“H”).
32-kHz clock pulses are output from the INTRB pin.
When more than one output wave forms are output from a single output pin, the output will have OR wave form of
negative logic of both.
Example: When Alarm_A and Alarm_B are output from the INTRA pin.
Alarm_A
Alarm_B
INTRA
In such a case which output wave form is output from the pin may be confirmed by reading
the flag register.
4.1-2 Alarm Interrupt (RS5C372A)
For setting an alarm time, designated time such as day-of-the-week, hour or minute should be set to the alarm regis-
ters being AALE (BALE) bit to 0. After that set the AALE (BALE) bit to 1, from this moment onward when such
registered alarm time coincide the value of calendar counter the INTRA or INTRB comes down to “L” (ON). The
INTRA or INTRB output can be controlled by operating to the AALE (BALE) and AAFG (BAFG) bits.
Alarm-calendar coincidence
period (1 min.)
Day-of-
the-week,
time
matched
Day-of-
the-week,
time
matched
Day-of-
the-week,
time
matched
Day-of-
the-week,
time
matched
INTRA or INTRB
AALE
←1
(BALE)
AALE
←1
(BALE)
AALFG
←0
(BAFG)
AALE
←0
(BALE)
AALE
←0
(BALE)
AALE
←1
(BALE)
A
A : MAX.61.1s
(MAX. 62.5s when 32.000kHz crystal is used.)
*) Note that AAFG (BAFG) has an output wave form of reversed logic.
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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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