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參數(shù)資料
| 型號： | S-35392A-I8T1U |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封裝： | HALOGEN FREE AND LEAD FREE, SNT-8 |
| 文件頁數(shù)： | 14/47頁 |
| 文件大?。?/td> | 419K |
| 代理商： | S-35392A-I8T1U |
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2-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35392A
Seiko Instruments Inc.
21
Alarm 1 Function and
2
INT
Pin Output Mode
In the output mode for
2
INT
pin, users are able to select the output;
alarm 2 interrupt, user-set frequency, per-minute edge interrupt, minute-periodical interrupt. To switch the output mode for
2
INT
pin and the alarm 1 function, use the status register 2. Refer to 3. Status register 2 in “
Configuration of
Register”.
When switching the output mode for
2
INT
pin, be careful of the output status of the pin. Especially, when using alarm 2
interrupt output, or the output of user-set frequency, switch the output mode after setting “00h” in the INT2 register. In
per-minute edge interrupt output/minute-periodical interrupt output, it is unnecessary to set data in the INT2 register for
users.
Refer to the followings regarding each operation of output modes.
1.
Alarm 1 function and alarm 2 interrupt
Alarm 2 interrupt output is the function to set the INT2 flag “H” by the output “L” from the
2
INT
pin, at the alarm time
which is set by user has come. If setting the pin output to “H”, turn off the alarm function by setting “0” in INT2AE in the
status register 2.
By Read, the INT2 flag is once cleared automatically. In the alarm 1 function, the INT1 flag (B3 in the status register 1) is
set to “H” when the set time has come. The INT1 flag is also cleared once by Read.
In the alarm 1 function, set the data of day of the week, hour, minute of the alarm time in the INT1 register. In alarm 2
interrupt, set in the INT2 register. Refer to “4. INT1 register and INT2 register” in “
Configuration of Register”.
Alarm setting of “W (day of the week), H (hour), m (minute)”
OFF
*1
INT1AE/INT2AE
INT1 flag/
INT2 flag
mx
Comparator
Hx
Wx
Alarm 1 output
(B3 in status register 1)
Alarm 2 interrupt (INT2 pin)/
alarm 2 output
(B2 in status register 1)
INT2 pin
Status register 1 reading
01 s
59 s
INTx register alarm enable flag
AxHE = AxmE = AxWE = "1"
Change by program
Alarm time matches
Period when alarm time matches
Change by program
H h m m 00 s
H h (m
1) m 59 s
Real-time data
H h (m + 1) m 00 s
Change by program
Status register 2 setting
Alarm 1 function
INT1ME = INT1FE = 0
Alarm 2 interrupt
INT2ME = INT2FE = 0
Second
Real-time data
Minute
W (day of the week)
Year
Hour
Day of
the week
Day Month
INT1 register
INT2 register
Alarm time matches
*1. If users clear INT2AE once; “L” is not output from the
2
INT
pin by setting INT2AE enable again, within a period when
the alarm time matches real-time data.
Figure 22
Alarm Interrupt Output Timing (1/2)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| S-35399A02 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:2-WIRE REAL-TIME CLOCK |
| S-35399A02-HRT1 | 功能描述:實時時鐘 2WIRE REAL TIME CLCK RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| S-35399A03 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:2-WIRE REAL-TIME CLOCK |
| S-35399A03-J8T2G | 功能描述:實時時鐘 2-wire 實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| S-35399A03-J8T2U | 功能描述:IC RTC CLK/CALENDAR I2C 8SOP 制造商:ablic u.s.a. inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:時鐘/日歷 特性:警報器，閏年 存儲容量:- 時間格式:HH：MM：SS（12/24 小時） 日期格式:YY-MM-DD-dd 接口:I2C，2 線串口 電壓 - 電源:1.3 V ~ 5.5 V 電壓 - 電源，電池:- 電流 - 計時（最大）:14μA ~ 30μA @ 3V ~ 5V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商器件封裝:8-SOP-J 標準包裝:1 |
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