EM1537 Overview
Description
The EM1537 is an integrated circuit in a low power CMOS technology for battery-operated wristwatches with bipolar stepping motors. Time base is a 32 kHz crystal oscillator.
Key Features
- Low power 32 kHz Quartz oscillator
- Operating voltage ranges 1.55V and 3 Volt
- Very low current consumption typ. 100 nA at 1.5V
- Motor pulse width motor period and motor pulse chopping is programmable in a wide range by metal mask and don’t require additional bonds
- Fully debounced RESET input for accurate time setting and power saving during shelf life
