參數(shù)資料
型號(hào)： MPC8309CVMAHFCA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 417 MHz, RISC PROCESSOR, PBGA489
封裝： 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-489
文件頁(yè)數(shù)： 20/81頁(yè)
文件大?。?/td> 484K
代理商： MPC8309CVMAHFCA
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
Freescale Semiconductor
27
Ethernet and MII Management
The following figure shows the RMII receive AC timing diagram.
Figure 16. RMII Receive AC Timing Diagram
8.3
Ethernet Management Interface Electrical Characteristics
The electrical characteristics specified here apply to MII management interface signals MDIO
(management data input/output) and MDC (management data clock). The electrical characteristics for
8.3.1
MII Management DC Electrical Characteristics
MDC and MDIO are defined to operate at a supply voltage of 3.3 V. The DC electrical characteristics for
MDIO and MDC are provided in the following table.
8.3.2
MII Management AC Electrical Specifications
The following table provides the MII management AC timing specifications.
Table 24. MII Management DC Electrical Characteristics When Powered at 3.3 V
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage (3.3 V)
OVDD
—3
3.6
V
Output high voltage
VOH
IOH = –1.0 mA
OVDD =Min
2.40
OVDD + 0.3
V
Output low voltage
VOL
IOL = 1.0 mA
OVDD = Min
GND
0.50
V
Input high voltage
VIH
—2.00
—
V
Input low voltage
VIL
—
0.80
V
Input current
IIN
0 V
VIN OVDD
—±5
A
Table 25. MII Management AC Timing Specifications
At recommended operating conditions with OVDD is 3.3 V ± 300mV.
Parameter/Condition
Symbol1
Min
Typical
Max
Unit
Note
MDC frequency
fMDC
—2.5
—
MHz
—
MDC period
tMDC
—400
—
ns
—
MDC clock pulse width high
tMDCH
32
—
ns
—
REF_CLK
RXD[1:0]
tRMRDXKH
tRMX
tRMXH
tRMXR
tRMXF
CRS_DV
RX_ER
tRMRDVKH
Valid Data
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8309EC 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications
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