參數(shù)資料
型號(hào)： R2023T
廠商： Ricoh Co., Ltd.
英文描述： 2-wire Serial Interface Real Time Clock IC
中文描述： 2線串行接口實(shí)時(shí)時(shí)鐘芯片
文件頁數(shù)： 19/50頁
文件大?。?/td> 512K
代理商： R2023T
R2023K/T
Alarm_W Registers (Address 8-Ah)
Alarm_W Minute Register (Address 8h)
D7
D6
-
WM40
0
WM40
0
Indefi
nite
Alarm_W Hour Register (Address 9h)
D7
D6
-
-
19
D5
D4
D3
WM8
WM8
Indefi
nite
D2
WM4
WM4
Indefi
nite
D1
WM2
WM2
Indefi
nite
D0
WM1
WM1
Indefi
nite
WM20
WM20
Indefi
nite
WM10
WM10
Indefi
nite
(For Writing)
(For Reading)
Default Settings *)
D5
WH20
WP/ A
WH20
WP/ A
Indefi
nite
D4
WH10
D3
WH8
D2
WH4
D1
WH2
D0
WH1
(For Writing)
0
0
WH10
WH8
WH4
WH2
WH1
(For Reading)
0
0
Indefi
nite
Indefi
nite
Indefi
nite
Indefi
nite
Indefi
nite
Default Settings *)
Alarm_W Day-of-week Register (Address Ah)
D7
D6
-
WW6
0
WW6
0
Indefi
nite
*) 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
"P12
Control 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.
D5
WW5
WW5
Indefi
nite
D4
WW4
WW4
Indefi
nite
D3
WW3
WW3
Indefi
nite
D2
WW2
WW2
Indefi
nite
D1
WW1
WW1
Indefi
nite
D0
WW0
WW0
Indefi
nite
(For Writing)
(For Reading)
Default Settings *)
相關(guān)PDF資料
PDF描述
R2023T-E2 2-wire Serial Interface Real Time Clock IC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R2023T-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2-wire Serial Interface Real Time Clock IC
R2-0257-02 制造商:Southco 功能描述:
R2-0259-02 制造商:Southco 功能描述:
R2025D 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:High precision I2C-Bus Real-Time Clock Module
R2025S 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:High precision I2C-Bus Real-Time Clock Module
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