Serial Access Real-Time Clock with Alarms

Description The M41T81 is a low-power serial RTC with a built-in 32.768 kHz oscillator (external crystal controlled). Features ■ For all new designs other than automotive, use M41T81S (contact the ST sales office for automotive grade) ■ Counters for tenths/hundredths of seconds,

文件：389.16 Kbytes 页数：27 Pages

STMICROELECTRONICS

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Serial Access Real-Time Clock with Alarms

Description The M41T81 is a low-power serial RTC with a built-in 32.768 kHz oscillator (external crystal controlled). Features ■ For all new designs other than automotive, use M41T81S (contact the ST sales office for automotive grade) ■ Counters for tenths/hundredths of seconds,

文件：389.16 Kbytes 页数：27 Pages

STMICROELECTRONICS

意法半导体

Serial access real-time clock (RTC) with alarms

Features ■ Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century ■ 32 KHz crystal oscillator with integrated load capacitance (12.5 pf) which provides exceptional oscillator stability and high crystal series resistance operation) ■ Oscillat

文件：506.38 Kbytes 页数：32 Pages

STMICROELECTRONICS

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Serial access real-time clock with alarms

文件：282.28 Kbytes 页数：31 Pages

STMICROELECTRONICS

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Serial Access Real-Time Clock with Alarms

Summary description The M41T81S is a low power Serial RTC with a built-in 32.768kHz oscillator (external crystal controlled). Eight bytes of the SRAM (see Table 2: Clock register map on page 15) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. An a

文件：438.76 Kbytes 页数：29 Pages

STMICROELECTRONICS

意法半导体