Description
PCA16xx series
Stop function for accurate timing
Power-on reset for fast testing
Various test modes for testing the mechanical parts of the watch and the IC.
Features
- 32 kHz oscillator, amplitude regulated with excellent frequency stability.
- High immunity of the oscillator to leakage currents.
- Time calibration electrically programmable and reprogrammable (via EEPROM).
- A quartz crystal is the only external component required.
- Very low current consumption; typically 170 nA.
- Detector for silver-oxide or lithium battery voltage levels.
- Indication for battery end-of-life.
PCA1605 Datasheet
