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參數(shù)資料
| 型號： | S-35399A03-J8T2U |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封裝： | HALOGEN FREE AND LEAD FREE, SOP-8 |
| 文件頁數(shù)： | 6/53頁 |
| 文件大?。?/td> | 472K |
| 代理商： | S-35399A03-J8T2U |
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2-WIRE REAL-TIME CLOCK
S-35399A03
Rev.2.0_00
Seiko Instruments Inc.
14
4. INT1 register and INT2 register
The INT1 and INT2 registers are to set up the output of user-set frequency, or to set up alarm interrupt. Users are able
to switch the output mode by using the status register 2. If selecting to use the output mode for alarm interrupt by
status register 2; this register works as the alarm-time data register. If selecting the output of user-set frequency by
status register 2; this register works as the data register to set the frequency for clock output. From each INT1
and
INT2 pin, a clock pulse and alarm interrupt are output.
(1) Alarm interrupt
Users can set the alarm time (the data of day of the week, hour, minute) by using the INT1 and INT2 registers which
are 3-byte data registers. The configuration of register is as well as the data register of day of the week, hour, minute,
in the real-time data register; is expressed by the BCD code. Do not set a nonexistent day. Users are necessary to set
up the alarm-time data according to the 12/24 hour expression that they set by using the status register 1.
H8
H4
H2
H1
A1mE
m8
m4
m2
m1
H20
H10
m10 m20 m40
H8
H4
H2
H1
A2mE
m8
m4
m2
m1
H20
H10
m10 m20 m40
AM /
PM
A1WE
0
W4
W2
W1
B7
B0
0
INT1 register
0
W4
W2
W1
0
INT2 register
A2WE
A1HE
A2HE
AM /
PM
B7
B0
B7
B0
B7
B0
B7
B0
B7
B0
Figure 12 INT1 Register and INT2 Register (Alarm Time-Data)
The INT1 register has A1WE, A1HE, A1mE at B0 in each byte. It is possible to make data valid; the data of day of the
week, hour, minute which are in the corresponded byte; by setting these bits to “1”. This is as well in A2WE, A2HE,
A2mE in the INT2 register. Regarding set-up of year, month, day, refer to “9. Alarm expansion register 1 and alarm
expansion register 2”
.
Setting example: alarm time “7:00 pm” in the INT1 register
(a) 12-hour expression (status register 1 B6 = 0)
set up 7:00 PM
Data written to INT1 register
Day of week
*1
0
Hour
1
0
1
Minute
0
1
B7
B0
*1.
Don’t care (Both of 0 and 1 are acceptable).
(b) 24-hour expression (status register 1 B6 = 1)
set up 19:00 PM
Data written to INT1 register
Day of week
*1
0
Hour
1
0
1
0
1
*2
1
Minute
0
1
B7
B0
*1.
Don’t care (Both of 0 and 1 are acceptable).
*2.
Set up the
PM
AM /
flag along with the time setting.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S354 | 制造商:Johnson Electric / Parlex Corporation 功能描述: 制造商:Johnson Electric / Saia-Burgess 功能描述:Non Catalogue / S354 制造商:SAIA - BURGESS ELECTRONICS INC. 功能描述:Non Catalogue / S354 |
| S3540 | 制造商:Microsemi Corporation 功能描述:STD RECOVERY RECTFR 400V 70A 2PIN DO-203AB - Bulk 制造商:MERKLE-KORFF INDUSTRIES 功能描述:OLD COLMAN P/N: 8004002 |
| S354-006 | 功能描述:CABLE SCSI II C50M/M 6' RoHS:是 類別:電纜組件 >> D形，Centronics 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 配置:VHDCI 68 位置公型至公型 長度:10.00'（3.05m） 纜線類型:圓形 - 黑色 屏蔽:屏蔽 樣式:SCSI Ultra 2 |
| S3-5409-LAB (W/O COVER) | 制造商:Molex 功能描述:CONNECTOR - Bulk |
| S3540PF | 制造商:Microsemi Corporation 功能描述:400V 35A 2PIN DO-21 - Bulk |
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