參數(shù)資料
型號(hào): BQ4845P
英文描述: Fast Recovery Glass Passivated Rectifier Diodes
中文描述: 實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù): 9/20頁(yè)
文件大?。?/td> 1155K
代理商: BQ4845P
9
Register B Bits
Periodic Interrupt
RS3
RS2
RS1
RS0
Period
Units
0
0
0
0
None
0
0
0
1
30.5175
μ
s
0
0
1
0
61.035
μ
s
0
0
1
1
122.070
μ
s
0
1
0
0
244.141
μ
s
0
1
0
1
488.281
μ
s
0
1
1
0
976.5625
μ
s
0
1
1
1
1.95315
ms
1
0
0
0
3.90625
ms
1
0
0
1
7.8125
ms
1
0
1
0
15.625
ms
1
0
1
1
31.25
ms
1
1
0
0
62.5
ms
1
1
0
1
125
ms
1
1
1
0
250
ms
1
1
1
1
500
ms
Table 4. Periodic Interrupt Rates
1h
3h
5h
7h
Alarm Frequency
ALM1
ALM0
ALM1
ALM0
ALM1
ALM0
ALM1
ALM0
1
1
1
1
Once per second
0
1
1
1
Once per minute when seconds match
0
0
1
1
Once per hour when minutes, and seconds match
0
0
0
1
Onceper day when hours,minutes,andseconds match
0
0
0
0
When date, hours, minutes, and seconds match
Table 5. Alarm Frequency (Alarm Bits D6 and D7 of Alarm Registers)
Aug. 1995
bq4845/bq4845Y
Powered by ICminer.com Electronic-Library Service CopyRight 2003
相關(guān)PDF資料
PDF描述
BQ4845S Fast Recovery Glass Passivated Rectifier Diodes
BQ4845YP Fast Recovery Glass Passivated Rectifier Diodes
BQ4845YS Fast Recovery Glass Passivated Rectifier Diodes
BQ4847Y Fast Recovery Glass Passivated Rectifier Diodes
BQ48S1.5-30A Fast Recovery Glass Passivated Rectifier Diodes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ4845P- 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Parallel RTC With CPU Supervisor
BQ4845P-A4 功能描述:實(shí)時(shí)時(shí)鐘 w/NVSRAM Control Watchdog Timer 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
BQ4845P-N 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Parallel RTC With CPU Supervisor
BQ4845S 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Real-Time Clock
BQ4845S- 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Parallel RTC With CPU Supervisor