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电子发烧友网>电子资料下载>汽车电子>Freescale MC9S12XHY256汽车控制解决方案分析

Freescale MC9S12XHY256汽车控制解决方案分析

2017-11-29 | rar | 0.4 MB | 次下载 | 1积分

资料介绍

Freescale 公司的MC9S12XHY系列是16位微控制器,具有高性能的32位特性, CPU12XV1 CPU内核具有高达40MHz总线频率,支持CAN和LIN/J2602通信,并提供多达4个步进马达控制以及40x4 LCD驱动器,带ECC特性的多达245KB片上闪存和8KB数据闪存,12KB片上SRAM等功能。目标用在低端仪表盘,汽车HVAC步进马达以及汽车音频系统。本文介绍了MC9S12XHY256主要特性,方框图,以及DEMO9S12XHY256演示板主要特性和电路图。
  The MC9S12XHY family is an optimized, automotive, 16-bit microcontroller product line focused on low-cost and high-performance. This family is intended to bridge from low-end 16-bit microcontrollers, such as MC9S12HY family, to high performance 32-bit solutions. The MC9S12XHY family is targeted at the lower end of automotive instrument cluster applications, it includes support for CAN and LIN/J2602 communication and delivers typical cluster requirements such as stepper motor control with stepper stall detection (SSD) and LCD Driver.
  The MC9S12XHY family delivers all the advantages and efficiencies of a 16-bit MCU while retaining the low cost, power consumption, EMC, and code-size efficiency advantages currently enjoyed by users of Freescale’s existing 8-bit and 16-bit MCU families. Like the MC9S12HY family, the MC9S12XHY family will run 16-bit wide accesses without wait states for all peripherals and memories. The MC9S12XHY family will be available in 100-pin LQFP and 112-pin LQFP package options and aims to maximize pin compatibility with the MC9S12HY family in the 100 LQFP. In addition to the I/O ports available in each module, further I/O ports are available with interrupt capability allowing wake-up from stop or wait modes.
  MC9S12XHY256主要特性:
  CPU12XV1 CPU core, with up to 40Mhz bus frequency
  Up to 256 Kbyte on-chip flash with ECC and 8Kbyte data flash with ECC.
  Up to 12Kbyte on-chip SRAM
  Up to 40x4 LCD driver
  Stepper Motor Controller with up to drivers for up to 4 motors, plus four Stepper Stall Detector modules (one for each motor)
  Phase locked loop (IPLL) frequency multiplier with internal filter, supporting 4–16 MHz amplitude controlled Pierce oscillator
  Pulse width modulation (PWM) module and Two timer modules (TIM0 and TIM1)
  Up to 12-channel, 10-bit resolution successive approximation analog-to-digital converter (ATD)
  serial peripheral interface (SPI) module and Inter-IC bus interface (IIC) module
  Two serial communication interface (SCI) module supporting LIN communications
  Two multi-scalable controller area network (MSCAN) module (supporting CAN protocol 2.0A/B)
  On-chip voltage regulator (VREG) for regulation of input supply and all internal voltages
  Autonomous periodic interrupt (API) and up to 25 key wakup inputs
  MC9S12XHY256目标应用:
  Low end instrument cluster
  Automotive HVAC stepper motor based actuator control
  Automotive Audio system
  Freescale MC9S12XHY256汽车控制解决方案分析
  图1. MC9S12XHY系列方框图
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