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M41T60 データシート(PDF) 5 Page - STMicroelectronics |
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M41T60 データシート(HTML) 5 Page - STMicroelectronics |
5 / 27 page M41T60 Description Doc ID 10396 Rev 13 5/27 1 Description The M41T60 is a low power serial RTC with a built-in 32.768 kHz oscillator (external crystal controlled). Eight registers are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. Addresses and data are transferred serially via a two- line bi-directional bus. The built-in address register is increased automatically after each WRITE or READ data byte. The eight clock address locations contain the century, year, month, date, day, hour, minute, and second in 24-hour BCD format. Corrections for 28-, 29- (leap year), 30-, and 31-day months are made automatically. The M41T60 is supplied in 16-lead QFN package. Figure 1. Logic diagram 1. Open drain Figure 2. 16-pin QFN connections Table 1. Signal names XI Oscillator input XO Oscillator output FT Frequency test output (open drain) SDA Serial data address input/output SCL Serial clock OFIRQ/OUT Oscillator fail interrupt/out output (open drain) VCC Supply voltage VSS Ground AI08869 XI VCC M41T60 VSS XO SCL SDA FT(1) OFIRQ/OUT(1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 XI XO FT (1) VSS NC SCL SDA OFIRQ/OUT (1) AI08870 |
同様の部品番号 - M41T60 |
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同様の説明 - M41T60 |
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