RX4901CE
Overview
- Interface type : 3 wire / 4 wire SPI-Bus
- High stability XS : ±3.0 x 10-6 / -40 ºC to +85 ºC (Monthly rate: ±8 seconds)
: ±5.0 x 10-6 / +85 ºC to +105 ºC (Monthly rate: ±13.2 seconds) XB : ±5.0 x 10-6 / -40 ºC to +85 ºC (Monthly rate: ±13.2 seconds)
: ±8.0 x 10-6 / +85 ºC to +105 ºC (Monthly rate: ±21 seconds)
- Time stamp function
Trigger source: External event (EVIN) input, voltage drop/oscillation stop status detected, mand 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 k Hz, 1024 Hz and 1 Hz outputs Output can be controlled by a register or FOE input (selectable with a register).
Pin Function
Terminal connection / External dimensions (Unit: mm)
Signal Name...
