BK5823 Datasheet ETC OBU SOC
©
2012 Beken Corporation Proprietary and Confidential Page 1 of 31 BK5823 Datasheet
5.8-GHz ETC OBU Transceiver IC (OBU)
V2.0.3
Beken Corporation
Suite No.3A, 1278 keyuan Rd, Shanghai 201204, China
PHONE: (86)21 51066811
FAX: (86)21 6160 9679
This document contains information that may be proprietary to, and/or secrets of, Beken Corporation. The contents of this
document should not be disclosed outside the companies without specific written permission.
Disclaimer: Descriptions of specific implementations are for illustrative purpose only, actual hardware implementation may differ.
BK5823 Datasheet ETC OBU SOC
© 2012 Beken Corporation Proprietary and Confidential Page 2 of 31
Content
1 General Description .................................................................................................... 3
2 Application .................................................................................................................. 3
3 Features ....................................................................................................................... 3
4 Package ....................................................................................................................... 3
5 Block Diagram ............................................................................................................ 3
6 Pin Information ........................................................................................................... 4
7 Electric Specification .................................................................................................. 5
8 Maximum rate ............................................................................................................. 6
9 Function Description ................................................................................................... 6
9.1 Receiver ................................................................................................................ 6
9.1.1 Receiver Description ...................................................................................... 6
9.1.2 Receiver AGC setting ..................................................................................... 7
9.1.3 Receiver CRC setting ..................................................................................... 8
9.1.4 RX RSSI .......................................................................................................... 8
9.1.5 BER Test Mode .............................................................................................. 8
9.2 Transmitter ............................................................................................................ 9
9.2.1 Transmitter description .................................................................................. 9
9.2.2 Transmitter CRC setting .............................................................................. 10
9.2.3 Transmitter Power setting............................................................................ 10
9.2.4 Single Carrier setting ................................................................................... 10
9.2.5 PN9 Modulation Signal setting .................................................................... 10
9.3 Wake-up Circuit .................................................................................................. 10
9.3.1 Wakeup mode ............................................................................................... 10
9.3.2 Wakeup Band Pass Filter ............................................................................. 11
9.3.3 Wakeup Auto Calibration Mode .................................................................. 11
9.3.4 No Response Mode ....................................................................................... 11
9.4 State Machine...................................................................................................... 12
10 Control Interface ....................................................................................................... 13
10.1 Basic Function ................................................................................................. 13
10.2 Operation and Timing ..................................................................................... 13
10.3 Data FIFO ........................................................................................................ 15
10.4 TX Ramping Control ....................................................................................... 15
11 Register Map ............................................................................................................. 16
12 Test Result ................................................................................................................ 29
13 Application Schematic .............................................................................................. 30
14 PCB Layout Reference Design ................................................................................. 30
15 Package ..................................................................................................................... 31
16 Order Information ..................................................................................................... 31