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參數資料
| 型號： | R2043K-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | 4-wire Serial Interface |
| 中文描述： | REAL TIME CLOCK, QCC12 |
| 封裝： | 2 X 2 MM, 1 MM HEIGHT, FFP-12 |
| 文件頁數： | 20/48頁 |
| 文件大小： | 458K |
| 代理商： | R2043K-E2 |
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R2043K/T
Example of Alarm Time Setting
Alarm
Preset alarm time
12345
Rev.2.06 - 20 -
Day-of-week
Sun.
12-hour mode
10
hr.
hr.
24-hour mode
10
hr.
hr.
Mon.
Tue.
Wed.
Th.
Fri.
Sat.
1
10
min.
1
min.
1
10
min.
1
min.
WW0
1
1
1
0
1
0
WW1
1
1
1
1
0
1
WW2
1
1
1
1
0
0
WW3
1
1
1
1
0
1
WW4
1
1
1
1
0
0
WW5
1
1
1
1
0
1
WW6
1
1
1
0
0
0
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.
1
0
1
3
2
3
2
1
1
2
1
1
0
3
5
0
3
5
0
0
9
0
0
9
0
0
1
1
1
2
0
1
1
2
3
3
0
3
5
0
3
5
0
0
9
0
0
9
O
Alarm_D Register (Address B-Ch)
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 0v.
*
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 "P12
O
Control Register 1 (ADDRESS Eh) (2) /12
24: 12-/24-hour Mode Selection Bit")
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相關代理商/技術參數 |
參數描述 |
|---|---|
| R2043T | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface |
| R2043T-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface |
| R20440 | 制造商:Microsemi Corporation 功能描述:STD RECOVERY RECTFR 400V 12A 2PIN DO-4 - Bulk |
| R2045D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface Real Time Clock Module |
| R2045S | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-wire Serial Interface Real Time Clock Module |
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