デザイン・ファイル
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Real-Time Clock/Calendar
The PCA8565A is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector are also provided. All addresses and data are transferred serially via a two-line bidirectional I²C-bus. Maximum bus speed is 400 kbit/s. The built-in word address register is incremented automatically after each written or read data byte.
製品詳細
Features
Key Features
- AEC-Q100 compliant for automotive applications
- Provides year, month, day, weekday, hours, minutes, and seconds based on 32.768 kHz quartz crystal
- Clock operating voltage: 1.8 V to 5.5 V
- Extended operating temperature range: -40 °C to +125 °C
- Low backup current: typical 0.65 μA at VDD = 3.0 V and Tamb = 25 °C
- 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V)
- Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz)
- Alarm and timer functions
- Two integrated oscillator capacitors
- Internal Power-On Reset (POR)
- I²C-bus target address: read A3h; write A2h
- Open-drain interrupt pin
購入/パラメータ
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ドキュメント
クイック・リファレンス ドキュメンテーションの種類.
設計・リソース
