參數(shù)資料
型號： BQ3285S
廠商： TEXAS INSTRUMENTS INC
元件分類： XO, clock
英文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝： 0.300 INCH, PLASTIC, SOIC-24
文件頁數(shù)： 2/26頁
文件大?。?/td> 676K
代理商： BQ3285S
UTI - Update Transfer Inhibit
This bit inhibits the transfer of RTC bytes to the user
buffer:
1 = Inhibits transfer and clears UIE
0 = Allows transfer
Register C
Register C is the read-only event status register.
Bits 0–3 - Unused Bits
These bits are always set to 0.
UF - Update Event Flag
This bit is set toa1attheendofthe update cycle.
Reading register C clears this bit.
AF - Alarm Event Flag
This bit is set to a 1 when an alarm event occurs. Read-
ing register C clears this bit.
PF - Periodic Event Flag
This bit is set to a 1 every tPI time, where tPI is the time
period selected by the settings of RS0–RS3 in register A.
Reading register C clears this bit.
INTF - Interrupt Request Flag
This flag is set to a 1 when any of the following is true:
AIE = 1 and AF = 1
PIE = 1 and PF = 1
UIE = 1 and UF = 1
Reading register C clears this bit.
Register D
Register D is the read-only data integrity status regis-
ter.
Bits 0–6 - Unused Bits
These bits are always set to 0.
VRT - Valid RAM and Time
1 = Valid backup energy source
0 = Backup energy source is depleted
When the backup energy source is depleted (VRT = 0),
data integrity of the RTC and storage registers is not
guaranteed.
10
7654
3
210
UTI
---
-
---
7654
3
210
----
0
7654
3
210
---
UF
-
---
7654
3
210
--
AF
-
---
7654
3
210
-PF-
-
7654
3
210
INTF
-
Register C Bits
7654
3
210
INTF
PF
AF
UF
0
7654
3
210
-
000
0
000
Register D Bits
7654
3
210
VRT
000
0
000
7654
3
2
10
VRT
-
bq3285
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ3285S- 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC
BQ3285S-SB2 功能描述:實(shí)時(shí)時(shí)鐘 RTC IC with 114x8 NVSRAM 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
BQ3285S-SB2G4 功能描述:實(shí)時(shí)時(shí)鐘 RTC IC with 114x8 NVSRAM 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
BQ3285S-SB2TR 功能描述:實(shí)時(shí)時(shí)鐘 RTC IC with 114x8 NVSRAM 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
BQ3285S-SB2TRG4 功能描述:實(shí)時(shí)時(shí)鐘 RTC IC with 114x8 NVSRAM 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
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