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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： | 13/53页 |
| 文件大小： | 343K |
| 代理商： | R2051K02 |
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R2051 Series
12345
Rev.1.04
- 20 -
l
Alarm_W Registers (Address 8-Ah)
Alarm_W Minute Register (Address 8h)
D7
D6
D5
D4
D3
D2
D1
D0
-
WM40
WM20
WM10
WM8
WM4
WM2
WM1
(For Writing)
0
WM40
WM20
WM10
WM8
WM4
WM2
WM1
(For Reading)
0
Indefinite
Default Settings *)
Alarm_W Hour Register (Address 9h)
D7
D6
D5
D4
D3
D2
D1
D0
-
WH20
WP
/A
WH10
WH8
WH4
WH2
WH1
(For Writing)
0
WH20
WP
/A
WH10
WH8
WH4
WH2
WH1
(For Reading)
0
Indefinite
Default Settings *)
Alarm_W Day-of-week Register (Address Ah)
D7
D6
D5
D4
D3
D2
D1
D0
-
WW6
WW5
WW4
WW3
WW2
WW1
WW0
(For Writing)
0
WW6
WW5
WW4
WW3
WW2
WW1
WW0
(For Reading)
0
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 of the Alarm_W Hour Register represents WP/A when the 12-hour mode is selected (0 for
a.m. and 1 for p.m.) and WH20 when the 24-hour mode is selected (tens in the hour digits).
*
The Alarm_W 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_W registers may
disable the alarm interrupt circuit.)
*
When the 12-hour mode is selected, the hour digits read 12 and 32 for 0 a.m. and 0 p.m., respectively.
(See "P13
lControl Register 1 (ADDRESS Eh) (2) /12
24: 12-/24-hour Mode Selection Bit")
*
WW0 to WW6 correspond to W4, W2, and W1 of the day-of-week counter with settings ranging from (0,
0, 0) to (1, 1, 0).
*
WW0 to WW6 with respective settings of 0 disable the outputs of the Alarm_W Registers.
相关PDF资料 |
PDF描述 |
|---|---|
| R2051K01 | 0 TIMER(S), REAL TIME CLOCK, QCC12 |
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| R3F10011NSP | FLASH, 8 MHz, MICROCONTROLLER, PDSO20 |
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| R42181 | SINGLE COLOR LED, RED, 5.6 mm |
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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