MPC8548E Freescale, MPC8548E Datasheet - Page 39

• Manufacturer Part Number: MPC8548E
• Description: Integrated Processor
• Manufacturer: Freescale

w w w . D a t a S h e e t 4 U . c o m
Figure 19
Figure 20
9
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
GMII, RGMII, RMII, TBI, and RTBI are specified in
(eTSEC).”
9.1
The 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
Freescale Semiconductor
Supply voltage (3.3 V)
Output high voltage (OV
Output low voltage (OV
Input high voltage
Input low voltage
Ethernet Management Interface Electrical
Characteristics
MII Management DC Electrical Characteristics
provides the AC test load for eTSEC.
shows the RMII receive AC timing diagram.
TSEC n _TX_CLK
MPC8548E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 4
RXD[1:0]
CRS_DV
DD
DD
RX_ER
=Min, I
Parameter
= Min, I
Output
Table 35. MII Management DC Electrical Characteristics
OL
OH
= 1.0 mA)
Figure 20. RMII Receive AC Timing Diagram
= –1.0 mA)
t
RMRH
Figure 19. eTSEC AC Test Load
t
Table
RMRDV
Z
t
0
RMR
35.
= 50 Ω
Valid Data
“Section 8, “Enhanced Three-Speed Ethernet
t
RMRF
Symbol
Ethernet Management Interface Electrical Characteristics
OV
V
V
V
V
OH
OL
IH
IL
DD
R
L
= 50 Ω
t
RMRDX
t
RMRR
GND
3.13
2.10
Min
2.0
—
LV
DD
/2
OV
DD
Max
3.47
0.50
0.90
—
+ 0.3
Unit
V
V
V
V
V
39