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参数资料
| 型号： | R2051K02 |
| 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, QCC12 |
| 封装： | 2 X 2 MM, 0.85 MM PITCH, ULTRA-COMPACT, FFP, 12 PIN |
| 文件页数： | 5/53页 |
| 文件大小： | 343K |
| 代理商： | R2051K02 |
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R2051 Series
12345
Rev.1.04
- 13 -
n Register Settings
l
Control Register 1 (ADDRESS Eh)
D7
D6
D5
D4
D3
D2
D1
D0
WALE
DALE
/12
24
SCRA
TCH2
TEST
CT2
CT1
CT0
(For Writing)
WALE
DALE
/12
24
SCRA
TCH2
TEST
CT2
CT1
CT0
(For Reading)
0
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.
(1) WALE, DALE Alarm_W Enable Bit, Alarm_D Enable Bit
WALE,DALE
Description
0
Disabling the alarm interrupt circuit (under the control of the settings
of the Alarm_W registers and the Alarm_D registers).
(Default)
1
Enabling the alarm interrupt circuit (under the control of the settings of
the Alarm_W registers and the Alarm_D registers)
(2) /12
24
/12-24-hour Mode Selection Bit
/12
24
Description
0
Selecting the 12-hour mode with a.m. and p.m. indications.
(Default)
1
Selecting the 24-hour mode
Setting the /12
24 bit to 0 and 1 specifies the 12-hour mode and the 24-hour mode, respectively.
24-hour mode
12-hour mode
24-hour mode
12-hour mode
00
12 (AM12)
12
32 (PM12)
01
01 (AM 1)
13
21 (PM 1)
02
02 (AM 2)
14
22 (PM 2)
03
03 (AM 3)
15
23 (PM 3)
04
04 (AM 4)
16
24 (PM 4)
05
05 (AM 5)
17
25 (PM 5)
06
06 (AM 6)
18
26 (PM 6)
07
07 (AM 7)
19
27 (PM 7)
08
08 (AM 8)
20
28 (PM 8)
09
09 (AM 9)
21
29 (PM 9)
10
10 (AM10)
22
30 (PM10)
11
11 (AM11)
23
31 (PM11)
Setting the /12
24 bit should precede writing time data
(3) SCRATCH2
Scratch Bit 2
SCRATCH2
Description
0
(Default)
1
The SCRATCH2 bit is intended for scratching and accepts the reading and writing of 0 and 1.
The SCRATCH2 bit will be set to 0 when the PON bit is set to 1 in the Control Register 1.
(4) TEST
Test Bit
TEST
Description
0
Normal operation mode.
(Default)
1
Test mode.
The TEST bit is used only for testing in the factory and should normally be set to 0.
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| R2051K01 | 0 TIMER(S), REAL TIME CLOCK, QCC12 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R2051K02-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S01-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S02-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S03-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051T01-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
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