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參數(shù)資料
| 型號： | M41T80M6TR |
| 廠商： | 意法半導體 |
| 英文描述： | SWITCH, ILLUMINATED GREEN |
| 中文描述： | 串行訪問時鐘用鬧鐘 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 122K |
| 代理商： | M41T80M6TR |
3/20
M41T80
SUMMARY DESCRIPTION
The M41T80 Serial Access TIMEKEEPER
SRAM is a low power Serial RTC with a built-in
32.768 KHz oscillator (external crystal controlled).
Eight registers (see Table 8, page 13) are used for
the clock/calendar function and are configured in
binary coded decimal (BCD) format. An additional
12 registers provide status/control of Alarm, 32kHz
output, and Square Wave functions. Addresses
and data are transferred serially via a two line, bi-
directional I
2
C interface. The built-in address reg-
ister is incremented automatically after each
WRITE or READ data byte.
Functions available to the user include a time-of-
day clock/calendar, Alarm interrupts, 32kHz out-
put, and programmable Square Wave output. 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 for-
mat. Corrections for 28, 29 (leap year - valid until
year 2100), 30 and 31 day months are made auto-
matically.
The M41T80 is supplied in an 8-pin SOIC.
Figure 3. 8-pin SOIC Connections
Note: 1. Open drain output.
Figure 4. Block Diagram
Note: 1. Open Drain output
2
3
4
5
6
8
7
1
IRQ/OUT/SQW(1)
SCL
SDA
VSS
XO
F32k(1)
XI
VCC
M41T80
AI07006
REAL TIME CLOCK
CALENDAR
RTC W/ALARM
SQUARE WAVE
IRQ/OUT/SQW(1)
F32k(1)
AF
SDA
SCL
I2C
INTERFACE
32KHz
OSCILLATOR
CRYSTAL
AI07007
相關(guān)PDF資料 |
PDF描述 |
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| M41T81MY6 | SERIAL ACCESS RTC WITH ALARMS |
| M41T81MY6TR | SERIAL ACCESS RTC WITH ALARMS |
| M41T81 | SERIAL ACCESS RTC WITH ALARMS |
| M41T81M | SERIAL ACCESS RTC WITH ALARMS |
| M41T81M6 | SERIAL ACCESS RTC WITH ALARMS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T81 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
| M41T81_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access Real-Time Clock with alarm |
| M41T81_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access real-time clock with alarm |
| M41T81_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access real-time clock with alarm |
| M41T81M | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
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