Overview
The PCF85063TP, produced by NXP USA Inc., is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. This component is designed to provide accurate timekeeping and is particularly suited for applications where power efficiency is crucial. It features an offset register for fine-tuning the clock frequency, ensuring high precision in timekeeping. The PCF85063TP communicates via a two-line bidirectional I²C-bus with a maximum bus speed of 400 kbit/s.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 0.9 V to 5.5 V |
| Current Consumption | Typical 0.22 μA at VDD= 3.3 V and Tamb= 25°C |
| I²C-bus Interface | 400 kHz, two-line bidirectional |
| Clock Frequency | 32.768 kHz (quartz crystal) |
| Programmable Clock Output | 32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz |
| Integrated Oscillator Load Capacitors | Selectable: 7 pF or 12.5 pF |
| Package Type | HWSON8 (plastic thermal enhanced very thin small outline package; no leads; 8 terminals; body 2 × 3 × 0.75 mm) |
Key Features
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal.
- Programmable clock output for peripheral devices.
- Selectable integrated oscillator load capacitors (7 pF or 12.5 pF).
- Minute and half minute interrupt capabilities.
- Oscillator stop detection function.
- Internal Power-On Reset (POR).
- Programmable offset register for frequency adjustment.
Applications
- Digital still cameras.
- Digital video cameras.
- Printers.
- Copy machines.
- Mobile equipment.
- Battery-powered devices.
Q & A
- What is the primary function of the PCF85063TP?
The primary function of the PCF85063TP is to serve as a Real-Time Clock (RTC) and calendar, optimized for low power consumption. - What is the operating voltage range of the PCF85063TP?
The operating voltage range is from 0.9 V to 5.5 V. - How does the PCF85063TP communicate with other devices?
The PCF85063TP communicates via a two-line bidirectional I²C-bus with a maximum bus speed of 400 kbit/s. - What are the programmable clock output frequencies of the PCF85063TP?
The programmable clock output frequencies include 32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz. - Does the PCF85063TP have integrated oscillator load capacitors?
Yes, the PCF85063TP has selectable integrated oscillator load capacitors of 7 pF or 12.5 pF. - What are some of the interrupt capabilities of the PCF85063TP?
The PCF85063TP has minute and half minute interrupt capabilities. - Does the PCF85063TP have an internal Power-On Reset (POR) function?
Yes, the PCF85063TP has an internal Power-On Reset (POR) function. - Can the clock frequency of the PCF85063TP be adjusted?
Yes, the PCF85063TP has a programmable offset register for frequency adjustment. - What is the typical current consumption of the PCF85063TP at 3.3 V and 25°C?
The typical current consumption is 0.22 μA. - In what package type is the PCF85063TP available?
The PCF85063TP is available in a HWSON8 package (plastic thermal enhanced very thin small outline package; no leads; 8 terminals; body 2 × 3 × 0.75 mm).
