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PCF8583P Datenblatt(PDF) 4 Page - NXP Semiconductors |
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PCF8583P Datenblatt(HTML) 4 Page - NXP Semiconductors |
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4 / 28 page ![]() 1997 Jul 15 4 Philips Semiconductors Product specification Clock/calendar with 240 × 8-bit RAM PCF8583 5 BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth MRB001 control/status hundredth of a second seconds minutes hours year/date weekdays/months timer alarm control alarm registers or RAM RAM (240 × 8) DIVIDER 1 : 256 OR 100 : 128 100 Hz PCF8583 OSCILLATOR 32.768 kHz CONTROL LOGIC POWER-ON RESET ADDRESS REGISTER OSCI OSCO INT A0 SDA FF 0F 08 07 01 00 I2C-BUS INTERFACE VDD 1 2 7 8 3 SCL 6 5 VSS 4 6 PINNING SYMBOL PIN DESCRIPTION OSCI 1 oscillator input, 50 Hz or event-pulse input OSCO 2 oscillator output A0 3 address input VSS 4 negative supply SDA 5 serial data line SCL 6 serial clock line INT 7 open drain interrupt output (active LOW) VDD 8 positive supply handbook, halfpage 1 2 3 4 8 7 6 5 PCF8583P PCF8583T VSS OSCI OSCO SCL SDA VDD MRB014 INT A0 Fig.2 Pinning diagram. |
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