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ISL12059IBZ bảng dữ liệu(PDF) 2 Page - Intersil Corporation |
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ISL12059IBZ bảng dữ liệu(HTML) 2 Page - Intersil Corporation |
2 / 11 page 2 FN6757.0 June 15, 2009 Block Diagram I2C INTERFACE RTC CONTROL LOGIC FREQUENCY OUT RTC DIVIDER SDA BUFFER CRYSTAL OSCILLATOR POR SCL BUFFER SDA SCL X1 X2 VDD FT/OUT INTERNAL SUPPLY SECONDS MINUTES HOURS DAY OF WEEK DATE MONTH YEAR CONTROL REGISTERS 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. 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. 3 NC No Connection. Can be connected to GND or left floating. 4 GND Ground 5 SDA Serial Data (SDA) is a bi-directional 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. 7 FT/OUT 512Hz Frequency Output or digital 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 high impedance at power-up. 8VDD Power supply ISL12059 |
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Mô tả tương tự - ISL12059IBZ |
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