原标题：Freescale Qorivva MPC5604P汽车马达控制方案

　　freescale公司的Qorivva MPC5604P 32位汽车MCU,采用Power架构的高达64MHz的32位CPU核,具有可变长度的变码(VLE),带ECC和擦除/编程控制器的512KB代码闪存,64(4x16)KB的数据闪存,带ECC的高达40KB SRAM,目标应用在汽车电子如动力操纵(EPS), 安全气袋,稳定控制,刹车系统,混合动力汽车,马达控制如无刷DC马达和永磁同步马达控制.本文介绍了MPC5604P主要特性,方框图, TRK-MPC5604P评估板主要特性,电路图和材料清单与PCB元件布局图.

　　The Qorivva MPC560xP family of 32-bit microcontrollers are powerful ICs for automotive chassis and safety applications and designs where enhanced motor control capability is required. These scalable Power Architecture® devices are supported by an enablement ecosystem that includes boards, software drivers, operating systems and configuration code to help you quickly implement your designs.

　　This 32-bit system-on-chip (SoC) automotive microcontroller family is the latest achievement in integrated automotive application controllers. It belongs to an expanding range of automotive-focused products designed to address chassis applications—specifically, electrical hydraulic power steering (EHPS) and electric power steering (EPS)—as well as airbag applications.

　　This family is one of a series of next-generation integrated automotive microcontrollers based on the Power Architecture technology.

　　The advanced and cost-efficient host processor core of this automotive controller family complies with the Power Architecture embedded category. It operates at speeds of up to 64 MHz and offers high performance processing optimized for low power consumption. It capitalizes on the available development infrastructure of current Power Architecture devices and is supported with software drivers, operating systems and configuration code to assist with users implementations.

　　MPC5604P主要特性:

　　• Up to 64 MHz, single issue, 32-bit CPU core complex (e200z0h)

　　— Compliant with Power Architecture embedded category

　　— Variable Length Encoding (VLE)

　　• Memory organization

　　— Up to 512 KB on-chip code flash memory with ECC and erase/program controller

　　— Optional 64 (4 × 16) KB on-chip data flash memory with ECC for EEPROM emulation

　　— Up to 40 KB on-chip SRAM with ECC

　　• Fail safe protection

　　— Programmable watchdog timer

　　— Non-maskable interrupt

　　— Fault collection unit

　　• Nexus L2+ interface

　　• Interrupts

　　— 16-channel eDMA controller

　　— 16 priority level controller

　　• General purpose I/Os individually programmable as input, output or special function

　　• 2 general purpose eTimer units

　　— 6 timers each with up/down count capabilities

　　— 16-bit resolution, cascadable counters

　　— Quadrature decode with rotation direction flag

　　— Double buffer input capture and output compare

　　• Communications interfaces

　　— 2 LINFlex channels (LIN 2.1)

　　— 4 DSPI channels with automatic chip select generation

　　— 1 FlexCAN interface (2.0B Active) with 32 message objects

　　— 1 safety port based on FlexCAN with 32 message objects and up to 7.5 Mbit/s capability; usable as second CAN when not used as safety port

　　— 1 FlexRay™ module (V2.1) with selectable dual or single channel support, 32 message objects and up to 10 Mbit/s

　　• Two 10-bit analog-to-digital converters (ADC)

　　— 2 × 15 input channels, 4 channels shared between the two ADCs

　　— Conversion time < 1 μs including sampling time at full precision

　　— Programmable Cross Triggering Unit (CTU)

　　— 4 analog watchdogs with interrupt capability

　　• On-chip CAN/UART bootstrap loader with Boot Assist Module (BAM)

　　• 1 FlexPWM unit

　　— 8 complementary or independent outputs with ADC synchronization signals

　　— Polarity control, reload unit

　　— Integrated configurable dead time unit and inverter fault input pins

　　— 16-bit resolution, up to 2 × fCPU

　　— Lockable configuration

　　• Clock generation

　　— 4–40 MHz main oscillator

　　— 16 MHz internal RC oscillator

　　— Software controlled FMPLL capable of speeds as fast as 64 MHz

　　• Voltage supply

　　3.3 V or 5 V supply for I/Os and ADC

　　On-chip single supply voltage regulator with external ballast transistor

　　• Operating temperature ranges: –40 to 125 ℃ or –40 to 105 ℃

　　MPC5604P目标应用:

　　Automotive

　　Electric Power Steering (EPS)

　　Airbags

　　Electronic Stability Control

　　Braking Systems

　　Active Suspension

　　Hybrid Electric Vehicles

　　Industrial

　　Electric Motor Control

　　Motor Control

　　Brushless DC (BLDC) Motor

　　Permanent Magnet Synchronous Motor

　　图1.MPC5604P方框图

　　The Qorivva MPC560xP family of 32-bit microcontrollers are powerful ICs for automotive chassis and safety applications and designs where enhanced motor control capability is required. These scalable Power Architecture® devices are supported by an enablement ecosystem that includes boards, software drivers, operating systems and configuration code to help you quickly implement your designs.

　　The TRK-MPC5604P is a demonstration and development system for Freescale’s MPC5604P microcontrollers in 144LQFP packages. Application development is quick and easy using Embedded OSJTAG. An optional 14-pin JTAG port is provided to allow the use of an external Qorivva MPC55xx/56xx interface such as P&E’s USB Multilink or Cyclone MAX automated programmer. P&E’s USB Multilink provides faster communication speeds and can be used to debug both the TRK-MPC5604P and the user’s own targets.

　　TRK-MPC5604P评估板主要特性:

　　• Soldered MPC5604P LQFP144 device

　　• Access to MCU pins with standard headers

　　• Embedded OSJTAG: USB to JTAG circuitry which allows host PC to communicate with the microcontroller through USB 2.0.

　　• On-board Virtual Serial Port

　　• ON/OFF Power Switch w/ LED indicator

　　• A 9VDC to 12VDC power supply input barrel connector

　　• Power Input Selection Jumpers for selecting the input voltage source:

　　• Power Input from USB Connector

　　• Power Input from DC Power Jack

　　• Freescale MC3390x

　　• External LDO power circuitry

　　• Oprerating Voltage Selection Jumpers for selecting operating voltage source:

　　• 5V

　　• 3.3V from on-board LDO

　　• 3.3V from Motor Control Port

　　• Jumper to select BAM source:

　　• From internal memory

　　• From CAN

　　• From LIN Flex

　　• RESET Push Button and LED indicator w/ enable

　　• User Features:

　　• 4 User Push Buttons w/ enable and pull-up & pull-down options

　　• 4 DIL switches w/ enable and pull-up & pull-down options

　　• 10K Ohm POT connected to an ADC input channel w/ enable

　　• 1 photocell w/ enable

　　• 4 User LED’s w/ enable

　　• 1 RS232 interface w/ enable (DB9 and transceiver footprint only)

　　• 1 CAN interface w/ enable to high-speed CAN transceiver with DB9 CAN connector

　　• 2 LIN channels w/ enable sharing one LIN transceiver with two standard LIN connectors

　　• 4 distinct GND test points

　　• Specifications:

　　• Board Size 4.7” x 4.3”

　　• Power Input:

　　• USB Cable: 5VDC, 500mA max

　　• DC Power Jack: 2.1/5.5mm barrel connector, 9VDC to 12VDC Center Positive

　　图2. TRK-MPC5604P评估板外形图

　　TRK-MPC5604P评估板材料清单(BOM):