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M41T62 数据表(PDF) 9 Page - STMicroelectronics |
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M41T62 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 40 page ![]() M41T62/63/64/65 Summary description 9/40 Figure 9. M41T62 block diagram 1. Open drain. 2. Defaults to 32KHz on power-up. Figure 10. M41T63 block diagram 1. Open drain. 2. Defaults to 32KHz on power-up. Table 2. Signal names XI Oscillator input XO Oscillator output SDA Serial data input/output SCL Serial clock input IRQ/OUT Interrupt or OUT output (open drain) IRQ/FT/OUT Interrupt, frequency test, or OUT output (open drain) SQW Programmable square wave - defaults to 32KHz on power-up (open drain for M41T64 only) F32K Dedicated 32KHz output (M41T64 only) WDO Watchdog timer output (open drain) VCC Supply voltage VSS Ground REAL TIME CLOCK CALENDAR RTC W/ALARM OSCILLATOR FAIL DETECT SQUARE WAVE WATCHDOG IRQ/OUT (1) SQW (2) OFIE SDA SCL AFE SQWE I2C INTERFACE 32KHz OSCILLATOR XTAL AI08899a REAL TIME CLOCK CALENDAR RTC W/ALARM OSCILLATOR FAIL DETECT SQUARE WAVE WATCHDOG SQW (2) WDO (1) SDA SCL SQWE I2C INTERFACE 32KHz OSCILLATOR XTAL AI09191 |
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