參數(shù)資料
型號: MPC8379ECVRAGDA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA689
封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù): 104/114頁
文件大小: 1337K
代理商: MPC8379ECVRAGDA
MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
9
Electrical Characteristics
Figure 2 shows the undershoot and overshoot voltages at the interfaces of the device.
Figure 2. Overshoot/Undershoot Voltage for GVDD/OVDD/LVDD
2.1.3
Output Driver Characteristics
Table 4 provides information on the characteristics of the output driver strengths. The values are
preliminary estimates.
Table 4. Output Drive Capability
Driver Type 1
1
Specialized SerDes output capabilities are described in the relevant section of the specification (such as SATA)
Output Impedance (
Ω)
Supply Voltage
Local bus interface utilities signals
45
LBVDD = 2.5 V, 3.3 V
40
LBVDD = 1.8 V
PCI signals
25
OVDD = 3.3 V
DDR1 signal
18
GVDD = 2.5 V
DDR2 signal
18
GVDD = 1.8 V
eTSEC 10/100/1000 signals
45
LVDD = 2.5 V, 3.3 V
DUART, system control, I2C, JTAG, SPI, and USB
45
OVDD = 3.3 V
GPIO signals
45
OVDD = 3.3 V
GND
GND – 0.3 V
GND – 0.7 V
Not to Exceed 10%
G/L/OVDD + 20%
G/L/OVDD
G/L/OVDD + 5%
of tinterface1
1. Note that tinterface refers to the clock period associated with the bus clock interface.
VIH
VIL
Note:
2. Please note that with the PCI overshoot allowed (as specified above), the device does
not fully comply with the maximum AC ratings and device protection guideline outlined in
the
PCI Rev. 2.3 Specification (Section 4.2.2.3).
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