參數(shù)資料
型號: 56F8014
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 118/124頁
文件大?。?/td> 1878K
代理商: 56F8014
56F8014 Technical Data, Rev. 3
118
Freescale Semiconductor
Preliminary
Using separate power planes for V
DD
and V
DDA
and separate ground planes for V
SS
and V
SSA
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 V
DDA
and V
SSA
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 I
2
C, the designer
should provide an interface to this port if in-circuit Flash programming is desired.
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