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| 型号： | S-35180A-T8T1 |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封装： | TSSOP-8 |
| 文件页数： | 3/35页 |
| 文件大小： | 497K |
| 代理商： | S-35180A-T8T1 |
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3-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35180A
Seiko Instruments Inc.
11
2. Status register_1
Status register_1 is an 8-bit register that is used to display and set various modes. The bit configuration is
shown below.
B7
LSB
POC
BLD
R
R/W
INT1
MSB
B6
B5
B4
B3
B2
B1
B0
12/24
SC0
RESET
SC1
INT2
R
R/W
W
R:
Read-enabled
W:
Write-enabled
R/W: Read/write-enabled
Figure 11 Status Register_1
B7: POC
This flag is set to “1” at power-on. Once this flag is set to “1”, it is not set to “0” even
when the power supply voltage reaches or exceeds the detection voltage (VDET). This
flag is read-only and can be read by the status register_1 access command. Once it is
read, it is automatically set to “0”. When the flag is “1”, it must be initialized. For the
method of initialization, refer to “Initialization at Power-on and Power-on Detector”.
B6: BLD
If the power supply voltage detector detects a voltage of detection voltage (VDET) or
less this flag is set to “1”, which enables the detection of a power supply voltage drop.
Once this flag is set to “1”, it is not set to “0” even when the power supply voltage
reaches or exceeds the detection voltage (VDET). This flag is read-only and can be
read by the status register_1 access command. Once it is read, it is automatically set
to “0”. When the flag is “1”, it must be initialized. For the method of initialization, refer
to “Initialization at Power-on and Power-on Detector”. and for the operation of the
power supply voltage detector, refer to “Power Supply Voltage Detector”.
B5, B4: INT2, INT1
When the interrupt signal is output from the INT pin using the alarm interrupt function,
for an interrupt set by INT1, the INT1 flag is set to “1”, and for an interrupt set by INT2,
the INT2 flag is set to “1”.
B3, B2: SC1, SC0
These flags configure a 2-bit SRAM type register that can be freely set by users. They
are read and written within the operating voltage range (1.3 to 5.5 V).
B1:
12/24
This flag is used to set 12-hour or 24-hour expression.
0: 12-hour expression
1: 24-hour expression
B0: RESET
By setting this bit to “1”, the internal IC is initialized. This is a write-only bit and is
always “0” when it is read. Be sure to write “1” to the reset flag when applying the
power supply voltage to the IC.
DISCONTINUED
PRODUCT
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相关代理商/技术参数 |
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| S3518286C1 | 制造商:Navistar 功能描述:Red Multiple Cable Seal |
| S-35190A | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:3-WIRE REAL-TIME CLOCK |
| S-35190A-I8T1G | 功能描述:实时时钟 3-wire 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-I8T1U | 功能描述:IC RTC CLK/CALENDAR SER SNT-8A 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）:0.93μA ~ 1.1μA @ 3V ~ 5V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SMD，扁平引线 供应商器件封装:SNT-8A 标准包装:1 |
| 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 |
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