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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(fù)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)： | 28/47頁 |
| 文件大小： | 419K |
| 代理商： | S-35392A-I8T1U |
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2-WIRE REAL-TIME CLOCK
S-35392A
Rev.2.0_00
Seiko Instruments Inc.
34
Reset After Communication Interruption
In case of communication interruption in the S-35392A, for example, during communication the power supply voltage
drops so that only the master device is reset; the S-35392A does not operate the next procedure because the internal
circuit keeps the state prior to interruption. The S-35392A does not have a reset pin so that users usually reset its internal
circuit by inputting a stop condition. However, if the SDA line is outputting “L” (during output of acknowledgment signal or
Read), the S-35392A does not accept a stop condition from the master device. In this case, users are necessary to finish
acknowledgment output or Read the SDA line. Figure 41 shows how to reset. First, input a start condition from the master
device (The S-35392A cannot detect a start condition because the SDA line in the S-35392A is outputting “L”). Next, input
a clock pulse equivalent to 7-byte data access (63-clock) from the SCL line. During this, release the SDA line for the
master device. By this procedure, SDA I/O before interruption is finished, so that the SDA line in the S-35392A is released.
After that, inputting a stop condition resets the internal circuit so that restore the regular communication. This reset
procedure is recommended to perform at initialization of the system after rising the master device’s power supply voltage.
1
2
62
63
8
9
Start
condition
Stop
condition
Clocks equivalent to 7-byte data access
SCL
“L”
“L” or High-Z
High-Z
SDA
(Output from
master device)
SDA
(Output from
S-35392A)
SDA
“L” or High-Z
“L”
Figure 41
How to Reset
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參數(shù)描述 |
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| 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(fēng)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(fēng)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(yīng)商器件封裝:8-SOP-J 標(biāo)準(zhǔn)包裝:1 |
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