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參數(shù)資料
| 型號(hào)： | R2025S |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | High precision I2C-Bus Real-Time Clock Module |
| 中文描述： | REAL TIME CLOCK, PDSO14 |
| 封裝： | 10.10 X 7.40 MM, 3.10 MM HEIGHT, SOP-14 |
| 文件頁(yè)數(shù)： | 19/47頁(yè) |
| 文件大小： | 524K |
| 代理商： | R2025S |
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R2025S/D
19
Example of Alarm Time Setting
Alarm
Preset alarm time
Day-of-week
Tue.
Wed
.
12-hour mode
1
0
h
r.
.
24-hour mode
1
h
r.
Sun
.
Mon
.
Th.
Fri.
Sat.
1
h
r
1
0
m
in
.
0
1
m
in
.
1
0
h
r
.
0
1
0
m
in
.
0
1
mi
n.
WW0
1
WW1
1
WW2
1
WW3
1
WW4
1
WW5
1
WW6
1
00:00 a.m. on all
days
01:30 a.m. on all
days
11:59 a.m. on all
days
00:00 p.m. on Mon.
to Fri.
01:30 p.m. on Sun.
11:59 p.m.
on Mon. ,Wed.,
and Fri.
Note that the correspondence between WW0 to WW6 and the days of the week shown in the above table is
only an example and not mandatory.
Alarm_D Register (Address B-Ch)
1
2
0
0
0
1
1
1
1
1
1
1
0
1
3
0
0
1
3
0
1
1
1
1
1
1
1
1
1
5
9
1
1
5
9
0
1
1
1
1
1
0
3
2
0
0
1
2
0
0
1
0
0
1
0
0
0
1
0
0
0
1
0
0
2
3
1
1
3
5
0
9
1
2
3
3
3
5
0
9
Alarm_D Minute Register (Address Bh)
D7
D6
-
DM40
0
DM40
0
Alarm_D Hour Register (Address Ch)
D7
D6
-
-
D5
DM20
DM20
Indefinite
D4
DM10
DM10
Indefinite
D3
DM8
DM8
Indefinite
D2
DM4
DM4
Indefinite
D1
DM2
DM2
Indefinite
D0
DM1
DM1
Indefinite
(For Writing)
(For Reading)
Default Settings *)
Indefinite
D5
DH20
DP
/A
DH20
DP
/A
Indefinite
D4
DH10
D3
DH8
D2
DH4
D1
DH2
D0
DH1
(For Writing)
0
0
DH10
DH8
DH4
DH2
DH1
(For Reading)
0
0
Indefinite
Indefinite
Indefinite
Indefinite
Indefinite
Default Settings *)
*) Default settings: Default value means read / written values when the PON bit is set to “1” due to VDD
power-on from 0 volts.
* The D5 bit represents DP/A when the 12-hour mode is selected (0 for a.m. and 1 for p.m.) and DH20 when
the 24-hour mode is selected (tens in the hour digits).
* The Alarm_D registers should not have any non-existent alarm time settings.
(Note that any mismatch between current time and preset alarm time specified by the Alarm_D registers
may disable the alarm interrupt circuit.)
* When the 12-hour mode is selected, the hour digits read 12 and 32 for 0a.m. and 0p.m., respectively.
(See "P11
Control Register 1 (ADDRESS Eh) (2) /12
24: 12-/24-hour Mode Selection Bit")
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2-0267-02 | 制造商:Southco 功能描述: |
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| R20-3000502 | 功能描述:支架與墊片 M2 x 5mm HEXAGONAL MALE/FEMALE BRASS RoHS:否 制造商:Schurter 類型:Transipillar Spacers 長(zhǎng)度:16 m 螺紋大小:M4 外徑:10 mm 材料:Nylon with Steel 電鍍:Zinc |
| R20-3000802 | 功能描述:支架與墊片 M2 x 8mm HEXAGONAL MALE/FEMALE BRASS RoHS:否 制造商:Schurter 類型:Transipillar Spacers 長(zhǎng)度:16 m 螺紋大小:M4 外徑:10 mm 材料:Nylon with Steel 電鍍:Zinc |
| R20-3001202 | 功能描述:支架與墊片 M2 x 12mm HEXAGONAL MALE/FEMALE BRASS RoHS:否 制造商:Schurter 類型:Transipillar Spacers 長(zhǎng)度:16 m 螺紋大小:M4 外徑:10 mm 材料:Nylon with Steel 電鍍:Zinc |
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