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    參數(shù)資料
    

    


    


    
型號(hào)：
MPC8547ECHXAQJA

    

    
廠商：
FREESCALE SEMICONDUCTOR INC

    

    
元件分類：
微控制器/微處理器

    

    
英文描述：
32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783

    

    
封裝：
29 X 29 MM, 1 MM PITCH, FLIP CHIP, CERAMIC, BGA-783

    

    
文件頁數(shù)：
37/142頁

    

    
文件大?。?/td>
1504K

    

    
代理商：
MPC8547ECHXAQJA


    

    

    

	
    
    
    

    
    
	
    MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
    Freescale Semiconductor
    131
    System Design Information
    21.7
    Output Buffer DC Impedance
    The MPC8548E drivers are characterized over process, voltage, and temperature. For all buses, the driver
    is a push-pull single-ended driver type (open drain for I2C).
    To measure Z0 for the single-ended drivers, an external resistor is connected from the chip pad to OVDD
    or GND. Then, the value of each resistor is varied until the pad voltage is OVDD/2 (see Figure 60). The
    output impedance is the average of two components, the resistances of the pull-up and pull-down devices.
    When data is held high, SW1 is closed (SW2 is open) and RP is trimmed until the voltage at the pad equals
    OVDD/2. RP then becomes the resistance of the pull-up devices. RP and RN are designed to be close to each
    other in value. Then, Z0 = (RP + RN)/2.
    Figure 60. Driver Impedance Measurement
    Table 82 summarizes the signal impedance targets. The driver impedances are targeted at minimum VDD,
    nominal OVDD, 105°C.
    21.8
    Configuration Pin Muxing
    The MPC8548E provides the user with power-on configuration options which can be set through the use
    of external pull-up or pull-down resistors of 4.7 k
    Ω on certain output pins (see customer visible
    configuration pins). These pins are generally used as output only pins in normal operation.
    While HRESET is asserted however, these pins are treated as inputs. The value presented on these pins
    while HRESET is asserted, is latched when HRESET deasserts, at which time the input receiver is disabled
    and the I/O circuit takes on its normal function. Most of these sampled configuration pins are equipped
    with an on-chip gated resistor of approximately 20 k
    Ω. This value should permit the 4.7-kΩ resistor to pull
    Table 82. Impedance Characteristics
    Impedance
    Local Bus, Ethernet, DUART, Control,
    Configuration, Power Management
    PCI
    DDR DRAM
    Symbol
    Unit
    RN
    43 Target
    25 Target
    20 Target
    Z0
    W
    RP
    43 Target
    25 Target
    20 Target
    Z0
    W
    Note: Nominal supply voltages. See Table 1, Tj = 105°C.
    OVDD
    OGND
    Pad
    Data
    SW1
    SW2
    RN
    RP
    
    
    
    
    
    


    


    

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MPC8547ECVUAQGB
32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783

    

    
MPC8547EHXAQJB
32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783

    

    
MPC8547VUAUG
32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783

    

    
MPC8548CHXAVHB
32-BIT, 1500 MHz, MICROPROCESSOR, CBGA783

    

    
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    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
MPC8547ECHXAUJ
功能描述:微處理器 - MPU PQ38 8548E

 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

    

    
MPC8547ECPXAQGA
功能描述:微處理器 - MPU PQ3 8547E Storage Processor

 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

    

    
MPC8547ECPXAQGB
功能描述:微處理器 - MPU FG PQ38 8548

 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

    

    
MPC8547ECPXAQGD
功能描述:微處理器 - MPU PQ38 PB XT WE 1000 R3.0

 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

    

    
MPC8547ECPXAUJA
功能描述:微處理器 - MPU PQ3 8547E Storage Processor

 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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