参数资料
型号: MC56F8014VFAE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 0-BIT, 8 MHz, OTHER DSP, PQFP32
封装: ROHS COMPLIANT, PLASTIC, LQFP-32
文件页数: 27/124页
文件大小: 1681K
代理商: MC56F8014VFAE
56F8014 Technical Data, Rev. 11
122
Freescale Semiconductor
PCB trace lengths should be minimal for high-frequency signals
Consider all device loads as well as parasitic capacitance due to PCB traces when calculating capacitance.
This is especially critical in systems with higher capacitive loads that could create higher transient currents
in the VDD and VSS circuits.
Take special care to minimize noise levels on the VREF, VDDA and VSSA pins
Using separate power planes for VDD and VDDA and separate ground planes for VSS and VSSA is
recommended. Connect the separate analog and digital power and ground planes as close as possible to
power supply outputs. If both analog circuit and digital circuit are powered by the same power supply, it is
advisable to connect a small inductor or ferrite bead in serial with both VDDA and VSSA traces.
It is highly desirable to physically separate analog components from noisy digital components by ground
planes. Do not place an analog trace in parallel with digital traces. It is also desirable to place an analog
ground trace around an analog signal trace to isolate it from digital traces.
Because the Flash memory is programmed through the JTAG/EOnCE port, SPI, SCI or I2C, the designer
should provide an interface to this port if in-circuit Flash programming is desired.
相关PDF资料
PDF描述
MC56F8037VLH 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
MC56F8145VFG 4-BIT, 120 MHz, OTHER DSP, PQFP128
MC56F8146VFVE 16-BIT, 120 MHz, OTHER DSP, PQFP144
MC56F8146VFV 16-BIT, 120 MHz, OTHER DSP, PQFP144
MC56F8167VPYE 16-BIT, 120 MHz, OTHER DSP, PQFP160
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