參數(shù)資料
型號(hào): MPC8540CPX667LB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 8/104頁
文件大?。?/td> 1216K
代理商: MPC8540CPX667LB
MPC8540 Integrated Processor Hardware Specifications, Rev. 4.1
Freescale Semiconductor
11
Electrical Characteristics
Figure 3 shows the undershoot and overshoot voltage of the PCI interface of the MPC8540 for the 3.3-V
signals, respectively.
Figure 3. Maximum AC Waveforms on PCI interface for 3.3-V Signaling
2.1.4 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
Programmable
Output Impedance
(
Ω)
Supply
Voltage
Notes
Local bus interface utilities signals
25
OVDD = 3.3 V
1
42 (default)
PCI signals
25
2
42 (default)
DDR signal
20
GVDD = 2.5 V
TSEC/10/100 signals
42
LVDD = 2.5/3.3 V
DUART, system control, I2C, JTAG
42
OVDD = 3.3 V
RapidIO N/A (LVDS signaling)
N/A
Notes:
1. The drive strength of the local bus interface is determined by the configuration of the appropriate bits in
PORIMPSCR.
2. The drive strength of the PCI interface is determined by the setting of the PCI_GNT1 signal at reset.
11 ns
(Min)
Overvoltage
Waveform
Undervoltage
Waveform
4 ns
(Max)
4 ns
(Max)
62.5 ns
–3.5 V
+7.1 V
7.1 V p-to-p
(Min)
7.1 V p-to-p
(Min)
0 V
+3.6 V
相關(guān)PDF資料
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MPC8540CVT667LC 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
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