PCF8563 Real-Time Clock/Calendar
Low-power CMOS Real-Time Clock/Calendar with I2C interface, programmable clock output, alarm and timer functions, backed by a 32.768kHz crystal oscillator.
Aliase:PCF8563, PCF8563T, RTC, Real Time Clock, I2C RTC
SOIC-8 Top View
8 Pins
Pin-Tabelle8
| Pin | Signal / Name | Typ | Alternative Funktionen |
|---|---|---|---|
| 1 | OSCI | Analog | 32.768kHz Crystal Oscillator Input |
| 2 | OSCO | Analog | 32.768kHz Crystal Oscillator Output |
| 3 | /INT | Digital | Interrupt Output (Open-Drain, Active-Low) |
| 4 | VSS | Ground | 0V System Ground |
| 5 | SDA | Digital | I2C Serial Data (Open-Drain) |
| 6 | SCL | Digital | I2C Serial Clock (Open-Drain) |
| 7 | CLKOUT | Digital | Programmable Square-Wave Clock Output (Open-Drain) |
| 8 | VDD | Power | +1.0V to +5.5V Power Supply |