參數(shù)資料
型號(hào)： M48T59Y-70MH1
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： 0 TIMER(S), REAL TIME CLOCK, PDSO28
封裝： 0.330 INCH, PLASTIC, SOH-28
文件頁(yè)數(shù)： 8/32頁(yè)
文件大小： 373K
代理商： M48T59Y-70MH1
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
Clock operations
M48T59, M48T59Y, M48T59V
alarm condition activates the IRQ/FT pin. To disable the alarm, write '0' to the Alarm Date
Register and RPT1-4. The Alarm Flag and the IRQ/FT output are cleared by a READ to the
Flags Register as shown in Figure 10 on page 16. 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 pin can also be activated in the battery back-up mode. The IRQ/FT will go low if
an alarm occurs and both the ABE (Alarm in Battery Back-up Mode Enable) and the 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 M48T59/Y/V was in the deselect mode
during power-down. Figure 11 on page 17 illustrates the back-up mode alarm timing.
Figure 10.
Alarm interrupt reset waveform
Table 6.
Alarm repeat mode
RPT4
RPT3
RPT2
RPT1
Alarm activated
1
Once per second
1
0
Once per minute
1
0
Once per hour
1
0
Once per day
0
Once per month
AI01388B
15ns Min
A0-A12
ACTIVE FLAG BIT
IRQ/FT
ADDRESS 1FF0h
HIGH-Z
相關(guān)PDF資料
PDF描述
M48T59V-70MH6 0 TIMER(S), REAL TIME CLOCK, PDSO28
M48T59V-70MH6E REAL TIME CLOCK, PDSO28
M48T59V-70MH6TR 0 TIMER(S), REAL TIME CLOCK, PDSO28
M48T59Y-70MH6F REAL TIME CLOCK, PDSO28
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T59Y-70MH1E 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns 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
M48T59Y-70MH1F 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns 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
M48T59Y-70MH1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM
M48T59Y-70MH6 功能描述:實(shí)時(shí)時(shí)鐘 R 511-M48T59Y-70MH6E 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
M48T59Y-70MH6E 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns 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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