• System integration unit (SIU)
— Centralized GPIO control of 80 I/O pins
— Centralized pad control on a per-pin basis
– Pin function selection
– Configurable weak pull-up or pull-down
– Drive strength
– Slew rate
– Hysteresis
— System reset monitoring and generation
— External interrupt inputs, filtering and control
— Critical Interrupt control
— Non-Maskable Interrupt control
— Internal multiplexer subblock (IMUX)
– Allows flexible selection of eQADC trigger inputs (eTPU, eMIOS and external signals)
– Allows selection of interrupt requests between external pins and DSPI
• Error correction status module (ECSM)
— Configurable error-correcting codes (ECC) reporting
— Single-bit error correction reporting
• On-chip flash memory
— Up to 1.5 MB flash memory, accessed via a 64-bit wide bus interface
— 16 KB shadow block
— Fetch Accelerator
– Provide single cycle flash access at 80 MHz
– Quadruple 128-bit wide prefetch/burst buffers
– Prefetch buffers can be configured to prefetch code or data or both
— Censorship protection scheme to prevent flash content visibility
— Flash divided into two independent arrays, allowing reading from one array while erasing/programming the other array (used for EEPROM emulation)
— Memory block:
– For MPC5634M: 18 blocks (4 x16 KB, 2 x32 KB, 2 x64 KB, 10 x128 KB)
– For MPC5633M: 14 blocks (4 x16 KB, 2 x32 KB, 2 x64 KB, 6 x128 KB)
– For MPC5632M: 12 blocks (4 x16 KB, 2 x32 KB, 2 x64 KB, 4 x128 KB)
— Hardware programming state machine
• On-chip static RAM
— For MPC5634M: 94 KB general purpose RAM of which 32 KB are on standby power supply
— For MPC5633M: 64 KB general purpose RAM of which 32 KB are on standby power supply
— For MPC5632M: 48 KB general purpose RAM of which 24 KB are on standby power supply
• Boot assist module (BAM)
— Enables and manages the transition of MCU from reset to user code execution in the following configurations:
– Execution from internal flash memory
– Execution from external memory on the calibration bus
– Download and execution of code via FlexCAN or eSCI
• Periodic interrupt timer (PIT)
— 32-bit wide down counter with automatic reload
— Four channels clocked by system clock
— One channel clocked by crystal clock
— Each channel can produce periodic software interrupt
— Each channel can produce periodic triggers for eQADC queue triggering
— One channel out of the five can be used as wake-up timer to wake device from low power stop mode
• System timer module (STM)
— 32-bit up counter with 8-bit prescaler
— Clocked from system clock
— Four-channel timer compare hardware
— Each channel can generate a unique interrupt request
— Designed to address AUTOSAR task monitor function
• Software watchdog timer (SWT)
— 32-bit timer
— Clock by system clock or crystal clock
— Can generate either system reset or non-maskable interrupt followed by system reset
— Enabled out of reset
• Enhanced modular I/O system (eMIOS)
— 16 timer channels (up to 14 channels in 144 LQFP)
— 24-bit timer resolution
— Supports a subset of the timer modes found in eMIOS on MPC5554
— 3 selectable time bases plus shared time or angle counter bus from eTPU2
— DMA and interrupt request support
— Motor control capability
• Second-generation enhanced time processor unit (eTPU2)
— Object-code compatible with eTPU—no changes are required to hardware or software if only eTPU features are used
— Intelligent co-processor designed for timing control
— High level tools, assembler and compiler available
&md电感器图片ash; 32 channels (each channel has dedicated I/O pin in all packages)
— 24-bit timer resolution
— 14 KB code memory and 3 KB data memory
— Double match and capture on all channels
— Angle clock hardware support
— Shared time or angle counter bus with eMIOS
基于AP3031的高效LED背光驱动电源方案随着电力电子技术的发展，越来越多的便携设备开始使用中小尺寸(7`~10`)的液晶面板作为显示输出装置。由于便携设备电池容量有限，低效率的背光电源方案会严重缩短设备的工作时间，因此如何提高背光驱动的效率 DSP和FPGA在大尺寸激光数控加工系统中的运用激光切割和雕刻以其精度高、视觉效果好等特性，被广泛运用于广告业和航模制造业。在大尺寸激光加工系统的开发过程中，加工速度与加工精度是首先要解决的问题。解决速度问题的一般方法是在电机每次运动前、后设置加、 基于AD7862和dsPIC30F的数据采集系统摘要：为提高数据采集系统的采集精度和转换速度，设计基于AD7862和dstPIC30F6010A的数据采集系统，详细介绍AD7862和dsPIC30F6010A的特点和性能；并介绍该系统硬件部分和软件
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