Description
PT7C4372A/C are I2C bus interface-compliant real-time clocks that have been adjusted for high precision..
Features
- External quartz oscillator 32.000kHz and 32.768kHz
selectable.
- Supports I2C-Bus's high speed mode (400 kHz).
- Includes time (Hour/Minute/Second) and calendar
(Year/Month/Date/Day) counter functions (BCD
code).
- Select between 12-hr and 24-hr clock display.
- Auto calculation of leap years until 2099.
- Built-in high-precision clock precision control logic.
- Interrupt generation function (cycle time range: 1
month to 0.5 seconds, includes.