参数资料
型号: MPC8349ZUAJDA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 533 MHz, MICROPROCESSOR, PBGA672
封装: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
文件页数: 102/112页
文件大小: 1295K
代理商: MPC8349ZUAJDA
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
9
Electrical Characteristics
Figure 3 shows the undershoot and overshoot voltage of the PCI interface of the MPC8349EA for the
3.3-V signals, respectively.
Figure 3. Maximum AC Waveforms on PCI interface for 3.3-V Signaling
2.1.3
Output Driver Characteristics
Table 3 provides information on the characteristics of the output driver strengths. The values are
preliminary estimates.
Table 3. Output Drive Capability
Driver Type
Output Impedance
(
Ω)
Supply
Voltage
Local bus interface utilities signals
42
OVDD = 3.3 V
PCI signals (not including PCI output clocks)
25
PCI output clocks (including PCI_SYNC_OUT)
42
DDR signal
20
GVDD = 2.5 V
DDR2 signal
16
32 (half strength mode)
GVDD = 1.8 V
TSEC/10/100 signals
42
LVDD = 2.5/3.3 V
DUART, system control, I2C, JTAG
42
OVDD = 3.3 V
GPIO signals
42
OVDD = 3.3 V,
LVDD = 2.5/3.3 V
Undervoltage
Waveform
Overvoltage
Waveform
11 ns
(Min)
+7.1 V
7.1 V p-to-p
(Min)
4 ns
(Max)
–3.5 V
7.1 V p-to-p
(Min)
62.5 ns
+3.6 V
0 V
4 ns
(Max)
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