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