freescale公司的Kinetis KEA128系列产物是基于ARM Cortex-M0+内核的MCU,工作频率48MHz,单周期32位x32位乘法器,多达128KB闪存,256B EEPROM和16KB RAM,工作电压2.7V-5.5V,闪存写电压2.7V-5.5V,工作温度C40℃C 到+125℃,主要用在汽车娱乐毗连模块,DC/BLDC马达控制,TPMS,电动摩托车CDI/EFI,电池管理,泵/风扇控制,窗/门/天窗控制,BCM/HVAC和座位/雨刷控制等.本文先容了Kinetis KEA128主要特点和框架图,以及汽车光控制模块KEA128LEDLIGHTRD主要特点,框架图和电路图.
Kinetis EA series MCUs for automotive provide cost-effective ARM®-based solution for a wide range of automotive applications and are pin-compatible across the Kinetis EA series and with future Kinetis automotive families.
This series includes a set of analog, communication, timing and control peripherals with varying flash memory size and pin count. These scalable devices are highly robust, and offer an enhanced ESD/EMC performance solution for cost-sensitive automotive applications. This series is supported by development tools, software and hardware references to help you quickly start designing.
Kinetis KEA128主要特点:
Operating Characteristics
• Voltage range: 2.7 to 5.5 V
• Flash write voltage range: 2.7 to 5.5 V
• Temperature range (ambient): C40℃ to +125℃
Performance
• Up to 48 MHz ARM Cortex-M0+ core
• Single-cycle 32-bit x 32-bit multiplier
• Single-cycle I/O access port
Memories and Memory Interfaces
• Up to 128 KB flash
• Up to 256 B EEPROM
• Up to 16 KB RAM
Clocks
• Oscillator (OSC)―loop-controlled Pierce oscillator, crystal or ceramic resonator range of 31.25 kHz to 39.0625 kHz or 4 MHz to 24 MHz
• Internal clock source (ICS)―internal FLL with internal or external reference, precision trimming of internal reference allowing 1% deviation across temperature range of C30 ℃ to 85 ℃ and 1.5% deviation across temperature range of C40 ℃ to 125 ℃, up to 48 MHz
• Internal 1 kHz low-power oscillator (LPO)
System Peripherals
• Power management module (PMC) with three power modes: run, wait, stop
• Low-voltage detection (LVD) with reset or interrupt, selectable trip points
• Watchdog with independent clock source (WDOG)
• Programmable cyclic redundancy check module (CRC)
• Serial wire debug interface (SWD)
• Bit manipulation engine (BME)
Security and Integrity Modules
• 80-bit unique identification (ID) number per chip
Human-machine interface (HMI)
• Up to 71 general-purpose input/output (GPIO)
• Up to two 32-bit keyboard interrupt modules (KBI)
• External interrupt (IRQ)
Analog Modules
• One 12 bit with up to 16 channel SAR ADC with internal band gap reference channel, operation in stop mode, optional hardware trigger (ADC)
• Two analog comparators containing a 6-bit DAC and programmable reference input (ACMP)
Timers
• One 6-channel FlexTimer/PWM (FTM)
• Up to two 2-channel FlexTimer/PWM (FTM)
• One 2-channel periodic interrupt timer (PIT)
• One real-time clock (RTC)
• Up to one 16-bit pulse width timer
Kinetis KEA128目标应用:
• Infotainment connection module
• Park assistance
• DC/BLDC motor control
• Electronic park brake
• TPMS
• Motorcycle CDI/EFI
• Battery management
• Pump/fan controller
• Passive entry push start
• Ambient lighting
• BCM/HVAC
• Windows/door/sun roof
• Seats/mirror/wiper
• Immobilizer
• Powertrain companion chip
• Generic sensor node
图1{京电港论坛}. Kinetis KEA128系列MCU框架图
KEA128LEDLIGHTRD光控制模块参考方案
KEA128LEDLIGHTRD: Light Control Module Reference Design Based on Kinetis EA MCU and E-switch (MC10XS3425)
The lighting control reference design is built on a Kinetis KEA128 32-bit ARM® Cortex®-M0+ automotive-grade MCU. Overall hardware solution includes Kinetis KEA128 MCU, MC10XS3425EK quad high-side driver chips MC33901 CAN transceiver and MC33662 LIN transceiver chips. This covers LIN and CAN communication-based complete headlight environment control solution, including LEDs, tail lights, turn signals, lamp current control and diagnostics.
Hardware board is available for purchase to evaluate this solution and it includes a SWD connector interface to debug the SW provided. In addition, a lighting connector interface is available to increase the number of lights controlled through this solution.
KEA128LEDLIGHTRD光控制模块参考方案主要特点:
32-bit KEA128 MCU in 64 LQFP package
MC33662 LIN transceiver
MC33901 CAN transceiver
MC10XS3425EK multi-chip high-side switch
4 LEDs
4 Potentiometers
4 User buttons
SWD connector interface for debugging
Light connector interface
KEA128LEDLIGHTRD光控制模块参考方案包罗:
• Kinetis KEA128LEDLIGHTRD board
• DVD
• Quick Start Guide
图2{京电港论坛}. KEA128LEDLIGHTRD光控制模块参考方案框架图
图3{京电港论坛}. KEA128LEDLIGHTRD光控制模块参考方案电路图(1)
图4{京电港论坛}. KEA128LEDLIGHTRD光控制模块参考方案电路图(2)
详情请复制打开此衔接地址:
http://cache.freescale.com/files/microcontrollers/doc/data_sheet/S9KEA128P80M48SF0.pdf?fasp=1&WT_TYPE=Data%20Sheets&WT_VENDOR=FREESCALE&WT_FILE_FORMAT=pdf&WT_ASSET=Documentation&fileExt=.pdf
和http://cache.freescale.com/files/soft_dev_tools/hardware_tools/schematics/KEA128LEDLIGHTRD_SCH.pdf?fpsp=1
KEA128LEDLIGHTRD_SCH.pdf
KINETISEAMCUFS.pdf
S9KEA128P80M48SF0.pdf
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