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參數(shù)資料
| 型號(hào)： | M41T93ZMY6F |
| 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, PDSO18 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-18 |
| 文件頁(yè)數(shù)： | 46/49頁(yè) |
| 文件大小： | 719K |
| 代理商： | M41T93ZMY6F |
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Description
M41T93
Doc ID 12615 Rev 5
1
Description
The M41T93 is a low-power serial SPI bus real-time clock with a built-in 32.768 kHz
oscillator (external crystal-controlled for the QFN16 package, and embedded crystal for the
SOX18 package). Eight bytes of the register map are used for the clock/calendar function
and are configured in binary coded decimal (BCD) format. An additional 17 bytes of the
register map provide status/control of the two alarms, watchdog, 8-bit counter, and square
wave functions. An additional seven bytes are made available as user SRAM.
Addresses and data are transferred serially via a serial SPI bus-compatible interface. The
built-in address register is incremented automatically after each WRITE or READ data byte.
The M41T93 has a built-in power sense circuit which detects power failures and
automatically switches to the battery supply when a power failure occurs. The energy
needed to sustain the clock operations can be supplied by a small lithium button battery
when a power failure occurs.
Functions available to the user include a non-volatile, time-of-day clock/calendar, alarm
interrupt, watchdog timer, programmable 8-bit counter, and square wave outputs. The eight
clock address locations contain the century, year, month, date, day, hour, minute, second,
and tenths/hundredths of a second in 24-hour BCD format. Corrections for 28, 29 (leap
year), 30, and 31 day months are made automatically. The M41T93 is supplied in either a
QFN16 or an SOX18 (MY), 300mil SOIC which includes an embedded 32 KHz crystal. The
SOX18 package requires only a user-supplied battery to provide non-volatile operation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M41T93ZQA6F | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| M41T93RQA6F | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| M41T93SQA6F | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| M43C505-XXX-DIT | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC |
| M43C505-XXX-Q44 | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T93ZQA6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial SPI bus RTC with battery switchover |
| M41T93ZQA6F | 功能描述:實(shí)時(shí)時(shí)鐘 Serial SPI bus RTC 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 |
| M41T94 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Bit 64 bit x8 SERIAL RTC SPI SRAM |
| M41T94_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Real Time Clock with 44Bytes NVRAM and Reset |
| M41T94_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial real-time clock with 44 bytes NVRAM and reset |
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