单片机与嵌入式系统应用
單片機與嵌入式繫統應用
단편궤여감입식계통응용
MICROCONTROLLER & EMBEDDED SYSTEM
2012年
7期
41-43
,共3页
李润鑫%邱瑞昌%刘彪%高健
李潤鑫%邱瑞昌%劉彪%高健
리윤흠%구서창%류표%고건
整车控制器%CAN%MC9S12XE%XGATE%中断
整車控製器%CAN%MC9S12XE%XGATE%中斷
정차공제기%CAN%MC9S12XE%XGATE%중단
vehicle controller%CAN%MC9S12XE%XGATE%interrupt
XGATE内核的MC9S12XE系列双核单片机具有数据处理速度快、反应时间短、功耗低等优点，在汽车电子领域有着很好的应用前景。本文介绍了Freescale公司MC9S12X系列双核单片机在混合动力汽车整车控制器中应用的优点，给出了其进行CAN总线通信的硬件接口设计与执行流程。最后给出了其利用协处理器XGATE管理CAN总线通信的典型配置方法。
XGATE內覈的MC9S12XE繫列雙覈單片機具有數據處理速度快、反應時間短、功耗低等優點，在汽車電子領域有著很好的應用前景。本文介紹瞭Freescale公司MC9S12X繫列雙覈單片機在混閤動力汽車整車控製器中應用的優點，給齣瞭其進行CAN總線通信的硬件接口設計與執行流程。最後給齣瞭其利用協處理器XGATE管理CAN總線通信的典型配置方法。
XGATE내핵적MC9S12XE계렬쌍핵단편궤구유수거처리속도쾌、반응시간단、공모저등우점，재기차전자영역유착흔호적응용전경。본문개소료Freescale공사MC9S12X계렬쌍핵단편궤재혼합동력기차정차공제기중응용적우점，급출료기진행CAN총선통신적경건접구설계여집행류정。최후급출료기이용협처리기XGATE관리CAN총선통신적전형배치방법。
MC9S12XE series dual-core MCU has the advantages such as high speed of data processing, short reaction time and low power consumption. It has good application prospect in the field of automotive electronics. This paper introduces the advantages of Freescale MC9S12XE series dual-core MCU in the application of hybrid electric bus vehicle controller. The hardware interface design and implementation process of CAN bus communication are given. At last, the typical configuration method which uses coprocessor XGATE to manage CAN bus communication is given.
