CDP68HC68T1
Key Features
- SPI (Serial Peripheral Interface)
- Full clock features: sec., min., hrs. (12/24, AM/PM), day of week, date, month, year, (0-99), auto leap year
- 32-word x 8-bit RAM
- Seconds, minutes, hours alarm
- Automatic power loss detection
- Minimum standby (timekeeping) voltages: 2.2 volts
- Selectable crystal or 50/60-Hz line input
- Buffered clock output
- Battery input pin that powers oscillator and also connects to the Voo pin when main power fails