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| 型号： | S-35190A-I8T1U |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | HALOGEN FREE AND LEAD FREE, SNT-8 |
| 文件页数： | 7/55页 |
| 文件大小： | 488K |
| 代理商： | S-35190A-I8T1U |
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3-WIRE REAL-TIME CLOCK
Rev.3.0_00
S-35190A
Seiko Instruments Inc.
15
4. INT register 1 and INT register 2
The INT register 1 is to set up the output of user-set frequency, or to set up alarm 1 interrupt. The INT register 2 is for
setting alarm 2 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. In the INT register
1, 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 the INT pin, a clock pulse and alarm interrupt are output, according to the or-condition
that these two registers have.
(1) Alarm interrupt
Users can set the alarm time (the data of day of the week, hour, minute) by using the INT register 1 and 2 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
INT register 1
0
W4
W2
W1
0
INT register 2
A2WE
A1HE
A2HE
AM/
PM
B7
B0
B7
B0
B7
B0
B7
B0
B7
B0
Figure 17 INT Register 1 and INT Register 2 (Alarm-Time Data)
The INT register 1 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 INT register 2.
Setting example: alarm time “7:00 pm” in the INT register 1
(a) 12-hour expression (status register 1 B6 = 0)
set up 7:00 PM
Data written to INT register 1
Day of the 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 INT register 1
Day of the 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
PM
/
AM
flag along with the time setting.
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| S-3531AECA-TB-01 | REAL TIME CLOCK, UUC8 |
| S-35380A-T8T1G | REAL TIME CLOCK, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S-35190A-J8T1G | 功能描述:实时时钟 实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| S-35190A-J8T1U | 功能描述:IC RTC CLK/CALENDAR SER 8SOP 制造商:ablic u.s.a. inc. 系列:- 包装:剪切带（CT） 零件状态:在售 类型:时钟/日历 特性:警报器，闰年 存储容量:- 时间格式:HH：MM：SS（12/24 小时） 日期格式:YY-MM-DD-dd 接口:3 线串口 电压 - 电源:1.3 V ~ 5.5 V 电压 - 电源，电池:- 电流 - 计时（最大）:8μA ~ 14μA @ 3V ~ 5V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商器件封装:8-SOP-J 标准包装:1 |
| S-35190A-T8T1 | 功能描述:实时时钟 3-Wire 1.3-5.5V RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| S-35190A-T8T1G | 功能描述:实时时钟 3-Wire 1.3-5.5V RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| S-35192A | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:3-WIRE REAL-TIME CLOCK |
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