BK5121中文资料国标公路收费 (ETC)数据手册BEKEN规格书

描述 Description

The BK5121 is an ESAM (Embedded Security Access Module) chip designed for OBU (On Board Unit) of China ETC (Electronic Toll Collection) system. It integrates the standard DES and TDES security processing unit, high reliable program EEPROM and data EEPROM, security access control units and security sensors. With the card operation system and standard ISO7816 interface, it can be used as a typical ESAM module with normal speed. A high speed duplex UART interface with ISO7816 communication protocol will enable much faster data exchange between the BK5121 and the host CPU, thus it shorts the system interaction duration significantly.

特性 Features

• High speed security MCU

• High speed DES and TDES

• 32 KB program memory with separate write and read key access control

• 16 KB data memory security storage

• True random number generator

• Three 16 bit times

• 16 bit standard CRC

• High speed UART interface

• Unique 32 bytes chip identification number for each chip

• Security sensors

• Automatic randomization smoothing of power profile

• Effective HW-countermeasures against SPA/DPA and Timing-Attacks