MPC8572CLPXARLD FREESCALE [Freescale Semiconductor, Inc], MPC8572CLPXARLD Datasheet - Page 46

• Manufacturer Part Number: MPC8572CLPXARLD
• Description: MPC8572E PowerQUICC III Integrated Processor Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Ethernet: Enhanced Three-Speed Ethernet (eTSEC)
Table 38
46
Supply Voltage
DC Input voltage range
Input differential voltage
Loss of signal threshold
Input AC common mode voltage
Receiver differential input impedance
Receiver common mode input
impedance
Common mode input voltage
Note:
1. Input must be externally AC-coupled.
2. V
3. The concept of this parameter is equivalent to the Electrical Idle Detect Threshold parameter in PCI Express. Refer to
4. The LSTS shown in the table refers to the LSTSAB or LSTSEF bit field of MPC8572E’s SerDes 2 Control Register.
5. V
6. On-chip termination to SGND_SRDS2 (xcorevss).
PCI Express Differential Receiver (RX) Input Specifications section for further explanation.
RX_DIFFp-p
CM_ACp-p
lists the SGMII DC receiver elecetrical characteristics.
is also referred to as peak to peak AC common mode voltage.
Parameter
is also referred to as peak to peak input differential voltage
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4
MPC8572E SGMII
SerDes Interface
Transmitter
LSTS = 0
LSTS = 1
LSTS = 0
LSTS = 1
Table 38. SGMII DC Receiver Electrical Characteristics
Figure 23. SGMII Transmitter DC Measurement Circuit
50 Ω
50 Ω
XV
V
V
Z
RX_DIFFp-p
Symbol
Z
CM_ACp-p
DD_SRDS2
VLOS
RX_DIFF
RX_CM
V
—
CM
SD2_TXn
SD2_TXn
1.045
Min
100
175
30
65
80
20
—
V
xcorevss
50 Ω
50 Ω
Typ
100
N/A
1.1
—
—
—
—
—
—
1.155
1200
Max
100
175
100
120
35
—
V
os
Freescale Semiconductor
Unit
V
mV
mV
mV
—
V
Ω
Ω
V
OD
Notes
2, 4
3, 4
—
—
—
1
5
6