參數(shù)資料
型號(hào)： MCF54418CMJ250
廠(chǎng)商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： MICROPROCESSOR, PBGA256
封裝： 12 X 12 MM, ROHS COMPLAINT, MAPBGA-256
文件頁(yè)數(shù)： 56/60頁(yè)
文件大?。?/td> 1107K
代理商： MCF54418CMJ250
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 6
Preliminary—Subject to Change Without Notice
Hardware design considerations
Freescale Semiconductor
6
Figure 1. Oscillator/PLL/DAC power filter
Figure 2 shows an example for isolating the ADC power supply from the I/O supply (EVDD) and ground. Note that in this
power supply the 10
resistor is replaced by a 0 resistor. This will reduce the IR drop into the ADC, limiting additional gain
error.
Figure 2. ADC power filter
Figure 3 shows an example for bypassing the internal core digital power supply for the MPU. This bypass should be applied to
as many IVDD signals as routing allows. Each one should be placed as close to the ball as possible.
Figure 3. IVDD power filter
Figure 4 shows an example for bypassing the external pad ring digital power supply for the MPU. This bypass should be applied
to as many EVDD signals as routing allows. Each one should be placed as close to the ball as possible.
Figure 4. EVDD power filter
VDD_OSC_A_PLL
10
0.1 F
EVDD Pin
1 F
GND
VSS_OSC
100 MHz
Board 3.3 V
0
0.1 F
VDDA_ADC
10 F
GND
supply
Board 1.2 V
0.1 F
IVDD
1 F
GND
supply
Board 3.3 V
0.1 F
EVDD
1 F
GND
supply
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF54418CMJ250 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA
MCF5441X 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:MCF5441x ColdFire Microprocessor Data Sheet
MCF54450 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor
MCF54450ACVM180 制造商:Freescale Semiconductor 功能描述:MCF5445X RISC 32-BIT 180MHZ 1.8V/2.5V/3.3V 256-PIN MA-BGA BR - Trays 制造商:Freescale Semiconductor 功能描述:MCF5445X V4M CORE, MMU, 制造商:Freescale 功能描述:MPU MCF5445X RISC 32-Bit 180MHz 1.8V/2.5V/3.3V 256-Pin MAP-BGA Brick
MCF54450AVM240 制造商:Freescale Semiconductor 功能描述:MCF5445X RISC 32-BIT 240MHZ 1.8V/2.5V/3.3V 256-PIN MA-BGA BR - Trays
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