参数资料
型号: MPC8349ZUALFA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672
封装: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
文件页数: 2/112页
文件大小: 1295K
代理商: MPC8349ZUALFA
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 2
10
Freescale Semiconductor
Electrical Characteristics
2.2
Power Sequencing
MPC8349EA does not require the core supply voltage and I/O supply voltages to be applied in any
particular order. Note that during the power ramp up, before the power supplies are stable, there may be a
period of time that I/O pins are actively driven. After the power is stable, as long as PORESET is asserted,
most I/O pins are tri-stated. To minimize the time that I/O pins are actively driven, it is recommended to
apply core voltage before I/O voltage and assert PORESET before the power supplies fully ramp up.
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