參數(shù)資料
型號： M41ST85WMH
廠商： 意法半導(dǎo)體
英文描述： 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
中文描述： 5.0或3.0V，512位64 × 8串行時鐘和NVRAM督導(dǎo)員
文件頁數(shù)： 20/33頁
文件大?。?/td> 464K
代理商： M41ST85WMH
M41ST85Y, M41ST85W
20/33
The IRQ/FT/OUT output is cleared by a READ to
the Flags Register. A subsequent READ of the
Flags Register is necessary to see that the value
of the Alarm Flag has been reset to '0.'
The IRQ/FT/OUT pin can also be activated in the
battery back-up mode. The IRQ/FT/OUT will go
low if an alarm occurs and both ABE (Alarm in Bat-
tery Back-up Mode Enable) and AFE are set. The
ABE and AFE Bits are reset during power-up,
therefore an alarm generated during power-up will
only set AF. The user can read the Flag Register
at system boot-up to determine if an alarm was
generated while the M41ST85Y/W was in the de-
select mode during power-up. Figure 19, page 21
illustrates the back-up mode alarm timing.
Figure 18. Alarm Interrupt Reset Waveform
Table 9. Alarm Repeat Modes
RPT5
RPT4
RPT3
RPT2
RPT1
Alarm Setting
1
1
1
1
1
Once per Second
1
1
1
1
0
Once per Minute
1
1
1
0
0
Once per Hour
1
1
0
0
0
Once per Day
1
0
0
0
0
Once per Month
0
0
0
0
0
Once per Year
AI03664
IRQ/FT/OUT
ACTIVE FLAG
0Fh
0Eh
10h
HIGH-Z
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參數(shù)描述
M41ST85WMH6 功能描述:實時時鐘 RO 511-M41ST85WMH6E 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
M41ST85WMH6E 功能描述:實時時鐘 Serial 512 (64x8) 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
M41ST85WMH6F 功能描述:實時時鐘 Serial 512 (64x8) 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
M41ST85WMH6F-CUT TAPE 制造商:ST 功能描述:M41ST Series 3.3 V I2C Serial RTC NVRAM / Microprocessor Superviser - SOH-28
M41ST85WMH6TR 功能描述:實時時鐘 Advanced Analog 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
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