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参数资料
| 型号： | MCF5233CVM150 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256 |
| 封装： | MAPBGA-256 |
| 文件页数： | 26/76页 |
| 文件大小： | 2665K |
| 代理商： | MCF5233CVM150 |
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32
MCF523x Integrated Microprocessor Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Layout
3.2.2
WAIT Mode
WAIT mode is intended to be used to stop only the CPU core and memory clocks until a wakeup event is
detected. In this mode, peripherals may be programmed to continue operating and can generate interrupts,
which cause the CPU core to exit from WAIT mode.
3.2.3
DOZE Mode
DOZE mode affects the CPU core in the same manner as WAIT mode, but with a different code on the CIM
LPMD bits, which are monitored by the peripherals. Each peripheral defines individual operational
characteristics in DOZE mode. Peripherals which continue to run and have the capability of producing
interrupts may cause the CPU to exit the DOZE mode and return to the RUN mode. Peripherals which are
stopped will restart operation on exit from DOZE mode as defined for each peripheral.
3.2.4
STOP Mode
STOP mode affects the CPU core in the same manner as the WAIT and DOZE modes, but with a different
code on the CCM LPMD bits. In this mode, all clocks to the system are stopped and the peripherals cease
operation.
STOP mode must be entered in a controlled manner to ensure that any current operation is properly
terminated. When exiting STOP mode, most peripherals retain their pre-stop status and resume operation.
3.2.5
Peripheral Shut Down
Most peripherals may be disabled by software in order to cease internal clock generation and remain in a
static state. Each peripheral has its own specific disabling sequence (refer to each peripheral description for
further details). A peripheral may be disabled at anytime and will remain disabled during any low power
mode of operation.
4
Design Recommendations
4.1
Layout
Use a 4-layer printed circuit board with the VDD and GND pins connected directly to the power
and ground planes for the MCF523x.
See application note AN1259 System Design and Layout Techniques for Noise Reduction in
processor-Based Systems.
Match the PC layout trace width and routing to match trace length to operating frequency and
board impedance. Add termination (series or therein) to the traces to dampen reflections.
Increase the PCB impedance (if possible) keeping the trace lengths balanced and short. Then do
cross-talk analysis to separate traces with significant parallelism or are otherwise "noisy". Use 6
mils trace and separation. Clocks get extra separation and more precise balancing.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCF5233CVM150J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| MCF5234 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
| MCF5234256MAPBGA | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
| MCF5234CVM100 | 功能描述:微处理器 - MPU MCF5234 V2CORE 64KSRAM RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MCF5234CVM100J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
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