BK5823中文资料国标公路收费 (ETC)数据手册BEKEN规格书

描述 Description

The BK5823 is the CMOS SOC for electronic toll collection compliant with GB/T 20851.1 -2007 and GB/T 20851.2-2007, which can be used at OBU with ASK modulation and demodulation.

特性 Features

• Full both uplink and downlink band：5.7 GHz - 5.85 GHz

• Data Rate: Uplink 512 kbps/256kbps option and Downlink 256 kbps/512kbps option.

• Output power: Up to 3 dBm

• Sensitivity: RX: -71 dBm, wakeup: -47dBm

• Fast AGC to accommodate up to 71 dB dynamic range RF input

• Integrated wake-up circuit with 4.5uA sleep current.

• Integrated wake-up baseband circuit to select the wakeup frequency(the frequency can be controlled).

• On-chip auto calibration for wake-up base band frequency range.

• ON chip low current (10uA) counter to forbid wakeup again in the setting time (1s->20s).

• Receiving the 1st BST without MCU control

• The sending CRC seed can auto adjust according to receiving CRC seed

• On-chip temperature compensation for TX power.

• 2.6 V ~ 3.6 V supply

• 45mA TX mode current

• 26mA RX mode current

• 4-wires SPI interface up to 8 MHz

应用 Application

• Electronic Toll Collection

• 5.8GHz Short Range Communication