Mô Đun Đồng Hồ Điện Tử Pcf8563 Pcf8563T 8563 Iic Ds3231 At24C32 3.3v

PCF8563 PCF8563T 8563 IIC Real Time Clock RTC Module Board Good than DS3231 AT24C32 3.3V PCF8563 clock chip: PCF8563 is a PHILIPS company launched an industrial I2C bus interface with a very low power consumption of multi-functional clock / calendar chip. PCF8563 a variety of alarm function, timer function, clock output function and interrupt output function to complete a variety of complex timing services, and even for the microcontroller to provide watchdog function. It is a cost-effective clock chip, which has been widely used in the field of electric meters, water meters, gas meters, telephones, fax machines, portable instruments and battery powered instruments and meters. Main performance index of PCF8563: You can use the standby battery Wide voltage range of 1.0~5.5V. This ultra low power consumption: the typical value is 0.25uA It through the I2C bus serial input / output This programmable clock output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz. * four alarm and timer function It includes a reset circuit, oscillator capacitor and power failure detection circuit Open drain interrupt output. 400KHZ read and write speed Module interface description: Left battery mounting interface Pay attention to the installation direction, according to the direction of the image installation Right INT interrupt output (generally not used) COT clock output (generally not used) SCL IIC clock interface MCU IO port SDA IIC digital interface MCU IO port The GND module of extraterrestrial grounding VCC power supply interface 3.3v-5v Package Included: 1pcs * PCF8563 PCF8563T 8563 IIC Real Time Clock RTC Module note:(without battery) Before purchase: 1. All the goods are in stock and we will dispatch immediately if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. Shipment： 1.1-2 days to ship(except for the pro-order item) After purchase: 1.If you are satisfied，please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or video #PCF8563 #PCF8563T #8563 #IIC# Real #Time #Clock #RTC #Module #Board #Good #than #DS3231 #AT24C32 #3.3V