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ISL12057IUZ Folha de dados(PDF) 3 Page - Intersil Corporation |
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ISL12057IUZ Folha de dados(HTML) 3 Page - Intersil Corporation |
3 / 17 page 3 FN6755.0 June 15, 2009 Pin Descriptions PIN NUMBER SYMBOL DESCRIPTION 1 X1 The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. This pin can also be driven by an external 32.768kHz oscillator with X2 pin floating. 2 X2 The X2 pin is the output of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. 3IRQ2 Interrupt Output 2 is a multi-functional pin that can be used as alarm interrupt. This pin is open drain and requires an external pull-up resistor. This pin is at high impedance at power up. 4 GND Ground 5 SDA Serial Data (SDA) is a bidirectional pin used to transfer serial data into and out of the device. It has an open drain output and may be wire OR’ed with other open drain or open collector outputs. 6 SCL The Serial Clock (SCL) input is used to clock all serial data into and out of the device. 7IRQ1/FOUT Interrupt Output 1/Frequency Output is a multi-functional pin that can be used as alarm interrupt or frequency output pin. The function is set via the configuration register. This pin is open drain and requires an external pull-up resistor. It has a default output of 32.768kHz at power up. 8VDD Power supply ISL12057 |
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Descrição semelhante - ISL12057IUZ |
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