EPSON X1B0004810002

Built-in 32.768 kHz-DTCXO, +105°C operating temperature, Low current consumption, Built-in power supply switching circuit and Time stamp function up to 32 records

• Built in frequency adjusted 32.768 kHz crystal unit and DTCXO
• Interface Type : I²C -Bus
• Current consumption : 240 nA / 3 V (Typ.)
• Auto power switching function : Automatically switches to backup power supply by monitoring the VDD / VBAT voltage
• Time stamp function : Maximum 32 time stamps
• Interrupt output : Wake up every hour or every minute or every second
• Alarm interruption : Day, date, hour, minute, second
• Auto repeat wakeup timer interruption
• Self-monitoring interruption : Crystal oscillation stop, VBAT low, VDD low
• I²C -Bus interface Fast-Mode 400 kHz
• High stability
  • XS : ±3.0×10⁻⁶ / -40°C to +85°C (Monthly rate: ±8 seconds) ; ±5.0×10⁻⁶ / +85°C to +105°C (Monthly rate: ±13.2 seconds)
  • XB: ±5.0×10⁻⁶ / -40°C to +85°C (Monthly rate: ±13.2 seconds) ; ±8.0×10⁻⁶ / +85°C to +105°C (Monthly rate: ±21 seconds)
• Time stamp function
  • Trigger source: External event (EVIN) input, voltage drop/oscillation stop status detected, command input from the host
  • Record data: 1/1024 seconds to 1 second, seconds, minutes, hours, days, months, years
  • Number of recordable events: Maximum 32 events
• Backup power supply switching function: The VDD and VBAT voltages are monitored to switch between Normal mode (VDD operation) and Backup mode (VBAT operation).
• Clock output (FOUT)
  • Selectable from 32.768 kHz, 1024 Hz and 1 Hz outputs
  • Output can be controlled by a register or FOE input (selectable with a register).