参数资料
型号: MPC8572ECVTAVNB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1500 MHz, MICROPROCESSOR, PBGA1023
封装: 33 X 33 MM, LEAD FREE, PLASTIC, FCBGA-1023
文件页数: 80/138页
文件大小: 1502K
代理商: MPC8572ECVTAVNB
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
46
Freescale Semiconductor
Ethernet: Enhanced Three-Speed Ethernet (eTSEC)
Figure 22. 4-Wire AC-Coupled SGMII Serial Link Connection Example
Change in VOS between “0” and “1”
VOS
——
25
mV
Output current on short to GND
ISA, ISB
——
40
mA
Note:
1. This will not align to DC-coupled SGMII. XVDD_SRDS2-Typ=1.1 V.
2. |VOD| = |VSD2_TXn - VSD2_TXn|. |VOD| is also referred as output differential peak voltage. VTX-DIFFp-p = 2*|VOD|.
3. The |VOD| value shown in the table assumes the following transmit equalization setting in the XMITEQAB (for SerDes 2 lanes
A & B) or XMITEQEF (for SerDes 2 lanes E & E) bit field of MPC8572E’s SerDes 2 Control Register:
The MSbit (bit 0) of the above bit field is set to zero (selecting the full VDD-DIFF-p-p amplitude - power up default);
The LSbits (bit [1:3]) of the above bit field is set based on the equalization setting shown in table.
4. VOS is also referred to as output common mode voltage.
5.The |VOD| value shown in the Typ column is based on the condition of XVDD_SRDS2-Typ=1.1V, no common mode offset
variation (VOS =550mV), SerDes2 transmitter is terminated with 100-Ω differential load between SD2_TX[n] and
SD2_TX[n].
Table 37. SGMII DC Transmitter Electrical Characteristics (continued)
Parameter
Symbol
Min
Typ
Max
Unit
Notes
Δ
MPC8572E SGMII
SerDes Interface
50
Ω
50
Ω
Transmitter
SD2_TXn
SD_RXm
SD2_TXn
SD_RXm
Receiver
CTX
50
Ω
50
Ω
SD2_RXn
Receiver
Transmitter
SD_TXm
CTX
50
Ω
50
Ω
50
Ω
50
Ω
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