DS12R887
Description
The DS12R885 is a functional drop-in replacement for the DS12885 real-time clock (RTC).
Key Features
- Trickle-Charge Capability for a Rechargeable Battery or Super Cap
- Selectable Intel or Motorola Bus Timing
- RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year pensation to 2100
- Interrupt Output with Three Independently Maskable Interrupt Flags
- Time-of-Day Alarm is Once-per-Second to Onceper-Day
- Periodic Rates from 122µs to 500ms
- End-of-Clock Update Cycle Flag
- 14 Bytes of Clock and Control Registers
- 114 Bytes of General-Purpose RAM with Clear Input
- Programmable Square-Wave Output
