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參數(shù)資料
| 型號(hào)： | MCF5482CZP166 |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 34/34頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MPU 32BIT COLDF 388-PBGA |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 系列： | MCF548x |
| 核心處理器： | Coldfire V4E |
| 芯體尺寸： | 32-位 |
| 速度： | 166MHz |
| 連通性： | CAN，EBI/EMI，以太網(wǎng)，I²C，SPI，UART/USART，USB |
| 外圍設(shè)備： | DMA，PWM，WDT |
| 輸入/輸出數(shù)： | 99 |
| 程序存儲(chǔ)器類型： | ROMless |
| RAM 容量： | 32K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.43 V ~ 1.58 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 388-BBGA |
| 包裝： | 托盤 |
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Hardware Design Considerations
MCF548x ColdFire Microprocessor, Rev. 4
Freescale Semiconductor
9
4.4
USB Power Filtering
To minimize noise, an external filter is required for each of the USB power pins. The filter shown in Figure 6 should be
connected between the board EVDD or IVDD and each of the USB VDD pins.
The resistor and capacitors should be placed as close to the dedicated USB VDD pin as possible.
A separate filter circuit should be included for each USB VDD pin, a total of five circuits.
All traces should be as low impedance as possible, especially ground pins to the ground plane.
The filter for USB_PHYVDD to VSS should be connected to the power and ground planes, respectively, not fingers
of the planes.
In addition to keeping the filter components for the USB_PLLVDD as close as practical to the body of the processor
as previously mentioned, special care should be taken to avoid coupling switching power supply noise or digital
switching noise onto the portion of that supply between the filter and the processor.
The capacitors for C2 in the table below should be rated X5R or better due to temperature performance.
Figure 6. 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.
Table 5 lists the resistor values and supply voltages to be used in the circuit for each of the USB VDD pins.
Table 5. USB Filter Circuit Values
USB VDD Pin
Nominal Voltage
R1 (
Ω)C1 (μF)
C2 (
μF)
USBVDD
(Bias generator supply)
3.3V
10
0.1
USB_PHYVDD
(Main transceiver supply)
3.3V
0
10
0.1
USB_PLLVDD
(PLL supply)
1.5V
10
1
0.1
USB_OSCVDD
(Oscillator supply)
3.3V
0
10
0.1
USB_OSCAVDD
(Oscillator analog supply)
1.5V
0
10
0.1
Board EVDD/IVDD
R1
C2
USB VDD Pin
C1
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5483 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF548x ColdFire㈢ Microprocessor |
| MCF5483CVR166 | 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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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 |
| MCF5483CZP166 | 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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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 |
| MCF5484 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF548x ColdFire㈢ Microprocessor |
| MCF5484CVR200 | 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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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 |
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