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參數(shù)資料
| 型號： | MCF5481CVR166 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 166.66 MHz, RISC PROCESSOR, PBGA388 |
| 封裝： | 27 X 27 MM, 1 MM PITCH, MS-034AAL-1, PBGA-388 |
| 文件頁數(shù)： | 31/34頁 |
| 文件大小： | 602K |
| 代理商： | MCF5481CVR166 |
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MCF548x ColdFire Microprocessor, Rev. 4
Hardware Design Considerations
Freescale Semiconductor
6
4
Hardware Design Considerations
4.1
PLL Power Filtering
To further enhance noise isolation, an external filter is strongly recommended for PLL analog VDD pins. The filter shown in
Figure 2 should be connected between the board VDD and the PLL VDD pins. The resistor and capacitors should be placed as
close to the dedicated PLL VDD pin as possible.
Figure 2. System PLL VDD Power Filter
4.2
Supply Voltage Sequencing and Separation Cautions
Figure 3 shows situations in sequencing the I/O VDD (EVDD), SDRAM VDD (SD VDD), PLL VDD (PLL VDD), and Core VDD
(IVDD).
USB PLL operation voltage range
USB_PLLVDD
1.43
1.58
V
Input high voltage SSTL 3.3V/2.5V2
VIH
VREF + 0.3
SD VDD + 0.3
V
Input low voltage SSTL 3.3V/2.5V2
VIL
VSS - 0.3
VREF - 0.3
V
Input high voltage 3.3V I/O pins
VIH
0.7 x EVDD
EVDD + 0.3
V
Input low voltage 3.3V I/O pins
VIL
VSS - 0.3
0.35 x EVDD
V
Output high voltage IOH = 8 mA, 16 mA,24 mA
VOH
2.4
—
V
Output low voltage IOL = 8 mA, 16 mA,24 mA
5
VOL
—0.5
V
Capacitance 3, Vin =0 V, f = 1 MHz
CIN
—TBD
pF
Input leakage current
Iin
–1.0
1.0
μA
1 IV
DD and PLL VDD should be at the same voltage. PLL VDD should have a filtered input. Please see Figure 2 for an
example circuit. There are three PLL VDD inputs. A filter circuit should used on each PLL VDD input.
2 This specification is guaranteed by design and is not 100% tested.
3 Capacitance C
IN is periodically sampled rather than 100% tested.
Table 4. DC Electrical Specifications (continued)
Characteristic
Symbol
Min
Max
Units
Board VDD
10
Ω
0.1 F
PLL VDD Pin
10 F
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5481CZP166 | 功能描述:微處理器 - MPU MCF548X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5482 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF548x ColdFire㈢ Microprocessor |
| MCF5482CVR166 | 功能描述:微處理器 - MPU MCF548X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5482CZP166 | 功能描述:微處理器 - MPU MCF548X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5483 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF548x ColdFire㈢ Microprocessor |
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