參數(shù)資料
型號： MPC8313CZQAGDA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 400 MHz, MICROPROCESSOR, PBGA516
封裝： 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, TEPBGAII-516
文件頁數(shù)： 29/100頁
文件大?。?/td> 1247K
代理商： MPC8313CZQAGDA
MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
34
Freescale Semiconductor
Ethernet: Three-Speed Ethernet, MII Management
8.5
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
MII, RMII, RGMII, SGMII, and RTBI are specified in Section 8.1, “Enhanced Three-Speed Ethernet
8.5.1
MII Management DC Electrical Characteristics
The MDC and MDIO are defined to operate at a supply voltage of 2.5 V or 3.3 V. Table 37 and Table 38
provide the DC electrical characteristics for MDIO and MDC.
TSEC_1588_TRIG_IN pulse width
tT1588TRIGH
2
× tT1588CLK_MAX
——
ns
2
Notes:
1.TRX_CLK is the max clock period of eTSEC receiving clock selected by TMR_CTRL[CKSEL]. See the MPC8313E
PowerQUICC II Pro Integrated Processor Family Reference Manual, for a description of TMR_CTRL registers.
2. It need to be at least two times of clock period of clock selected by TMR_CTRL[CKSEL]. See the
MPC8313E PowerQUICC
II Pro Integrated Processor Family Reference Manual, for a description of TMR_CTRL registers.
3. The maximum value of tT1588CLK is not only defined by the value of TRX_CLK, but also defined by the recovered clock. For
example, for 10/100/1000 Mbps modes, the maximum value of tT1588CLK is 3600, 280, and 56 ns, respectively.
Table 37. MII Management DC Electrical Characteristics When Powered at 2.5 V
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage (2.5 V)
NVDDA/NVDDB
—
2.37
2.63
V
Output high voltage
VOH
IOH = –1.0 mA
NVDDA or NVDDB = Min
2.00
NVDDA + 0.3
or
NVDDB + 0.3
V
Output low voltage
VOL
IOL = 1.0 mA
NVDDA or NVDDB = Min
VSS – 0.3
0.40
V
Input high voltage
VIH
—NVDDA or NVDDB = Min
1.7
—
V
Input low voltage
VIL
—NVDDA or NVDDB = Min
–0.3
0.70
V
Input high current
IIH
VIN
1 = NV
DDA or NVDDB
—10
μA
Input low current
IIL
VIN = NVDDA or NVDDB
–15
—
μA
Note:
1. Note that the symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
Table 36. eTSEC IEEE 1588 AC Timing Specifications (continued)
At recommended operating conditions with L/TVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol
Min
Typ
Max
Unit
Notes
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