參數資料
型號: MCF53012CQT240
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PQFP208
封裝: 28 X 28 MM, ROHS COMPLIANT, LQFP-208
文件頁數: 56/62頁
文件大?。?/td> 2365K
代理商: MCF53012CQT240
MCF5301x Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Hardware Design Considerations
Freescale Semiconductor
6
Figure 1. System PLL VDD Power Filter
3.2
USB Power Filtering
To minimize noise, external filters are required for each of the USB power pins. The filter shown in Figure 2 should be
connected between the board EVDD and each of the USBVDD pins. The resistor and capacitors should be placed as close to the
dedicated USBVDD pin as possible.
Figure 2. USB VDD Power Filter
NOTE
In addition to the above filter circuitry, a 0.01 F capacitor is also recommended in parallel
with those shown.
3.3
Supply Voltage Sequencing
Figure 3 shows situations in sequencing the I/O VDD (EVDD), SDRAM VDD (SDVDD), PLL VDD (PVDD), and internal logic /
core VDD (IVDD). The relationship between SDVDD and EVDD is non-critical during power-up and power-down sequences.
Both SDVDD (2.5V or 1.8V) and EVDD are specified relative to IVDD.
Board IVDD
10
Ω
0.1 F
PLL VDD Pin
10 F
GND
Board EVDD
0
Ω
0.1 F
USB VDD Pin
10 F
GND
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相關代理商/技術參數
參數描述
MCF53013CQT240 功能描述:32位微控制器 - MCU LONGJING C&I CFV3 VOIP+S RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF53014CMJ240 制造商:Freescale Semiconductor 功能描述:MCF5301X RISC 32-BIT CMOS 240MHZ 3.3V - Bulk 制造商:Rochester Electronics LLC 功能描述:
MCF53014CMJ240J 功能描述:32位微控制器 - MCU CFV3 RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF53015CMJ240 制造商:Freescale Semiconductor 功能描述:MCF5301X RISC 32-BIT CMOS 240MHZ 3.3V - Bulk
MCF53015CMJ240J 功能描述:32位微控制器 - MCU CFV3 SECURITY RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT