2. Application
This IC can be used for ETC systems whose bit rate is 256 kbps or 512 kbps.

3. Features
• Low current consumption
• Fast boot sequence (Refer to Electrical Characteristics for details.)
• Small package: P-VQFN32-0505-0.50-002, 5.0 mm × 5.0 mm square
• Including Wakeup function
• Including Modem functions (Addition of CRC, Postamble, or Preamble is available.)
 Modem mode: Data transmission through the internal modem
 Direct mode: Data transmission or reception through INTRPT/DIO pin is available.
• MLFF (Multi-Lane Free Flow) is supported.
 Boot control from MCU through CE pin
 Auto-wakeup function using an auto-boot sequence is selectable.
• Including IF filter
 High selection performance for a reception signal using the internal IF filter
• IC control from dedicated pins
 Fast boot sequence from Sleep mode using CE pin
 Fast switching between TX (Transmission) and RX (Reception) using TXRX pin
 Switching between TX and RX can be also done by using SPI (Serial Peripheral Interface) bus
• IC control from SPI bus
 Wakeup detection settings
 Setting of a cycle number of the output pulses
 Wakeup routine setting
 Internal frequency settings (PLL frequency synchronizer); PLL = Phase Locked Loop
 Transmission frequency setting
 Reception frequency setting
 Modem function setting
 Switching between Modem mode and Direct mode