參數(shù)資料
型號(hào)： M41ST87WMX6T
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝： 0.300 INCH, PLASTIC, SOIC-28
文件頁數(shù)： 20/38頁
文件大小： 552K
代理商： M41ST87WMX6T
27/38
M41ST87Y, M41ST87W
The IRQ/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/OUT pin can also be activated in the bat-
tery back-up mode. The IRQ/OUT will go low if an
alarm occurs and both ABE (Alarm in Battery
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 M41ST87Y/W was in the deselect mode
during power-up. Figure 24, page 28 illustrates the
back-up mode alarm timing.
Figure 23. Alarm Interrupt Reset Waveform
Table 12. Alarm Repeat Modes
RPT5
RPT4
RPT3
RPT2
RPT1
Alarm Setting
1
Once per Second
1
0
Once per Minute
1
0
Once per Hour
1
0
Once per Day
1
0
Once per Month
0
Once per Year
AI07086
IRQ/OUT
ACTIVE FLAG
0Fh
0Eh
10h
HIGH-Z
相關(guān)PDF資料
PDF描述
M41T00SC64MY6E REAL TIME CLOCK, PDSO18
M41T00SM6F 0 TIMER(S), REAL TIME CLOCK, PDSO8
M41T00SMY6T REAL TIME CLOCK, PDSO8
M41T00 1 TIMER(S), REAL TIME CLOCK, PDSO8
M41T0DS6E REAL TIME CLOCK, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41ST87WMX6TR 功能描述:實(shí)時(shí)時(shí)鐘 Serial 1280 (160x8) 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
M41ST87WSS6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
M41ST87WSS6F 功能描述:實(shí)時(shí)時(shí)鐘 128 NVRAM Serial RTC 3.0 to 3.6 Vcc 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
M41ST87Y 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
M41ST87Y_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
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