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參數(shù)資料
| 型號(hào)： | R2033T |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3 wire interface Real-Time Clock ICs |
| 中文描述： | 3線接口實(shí)時(shí)時(shí)鐘芯片 |
| 文件頁數(shù)： | 21/50頁 |
| 文件大?。?/td> | 542K |
| 代理商： | R2033T |
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R2033K/T
21
Example of Alarm Time Setting
Alarm
Preset alarm time
Day-of-week
Wed.
12-hour mode
10
hr.
hr.
24-hour mode
10
hr.
hr.
Sun.
Mon. Tue.
Th.
Fri.
Sat.
1
10
min.
1
min.
1
10
min.
1
min.
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)
WW0 WW1 WW2 WW3 WW4 WW5 WW6
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
3
2
1
1
2
0
3
5
0
0
0
9
0
0
0
1
1
0
1
1
2
0
3
5
0
0
0
9
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
Indefi
nite
Alarm_D Hour Register (Address Ch)
D7
D6
-
-
D5
DM20
DM20
Indefi
nite
D4
DM10
DM10
Indefi
nite
D3
DM8
DM8
Indefi
nite
D2
DM4
DM4
Indefi
nite
D1
D0
DM2
DM2
Indefi
nite
DM1
DM1
Indefi
nite
(For Writing)
(For Reading)
Default Settings *)
D5
D4
DH10
D3
DH8
D2
DH4
D1
DH2
D0
DH1
DH20
DP/ A
DH20
DP/ A
Indefi
nite
(For Writing)
0
0
DH10
DH8
DH4
DH2
DH1
(For Reading)
0
0
Indefi
nite
Indefi
nite
Indefi
nite
Indefi
nite
Indefi
nite
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 "P12
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) |
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|---|---|
| R2033T-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
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