USB
shows the MII management AC timing diagram.
t
MDC
MDC
t
MDCH
MDIO
(Input)
t
MDDVKH
t
MDDXKH
MDIO
(Output)
t
MDKHDX
t
MDCF
t
MDCR
Figure 20. MII Management Interface Timing Diagram
9
9.1
USB
USB DC Electrical Characteristics
This section provides the AC and DC electrical characteristics for the USB dual-role controllers.
provides the DC electrical characteristics for the USB interface at recommended
OV
DD
= 3.3 V ± 165 mV.
Table 38. USB DC Electrical Characteristics
Parameter
High-level input voltage
Low-level input voltage
Input current
High-level output voltage,
I
OH
= –100
μA
Low-level output voltage,
I
OL
= 100
μA
Symbol
V
IH
V
IL
I
IN
V
OH
V
OL
Min
2
–0.3
—
OV
DD
– 0.2
—
Max
OV
DD
+ 0.3
0.8
±30
—
0.2
Unit
V
V
μA
V
V
Note:
The symbol V
IN
, in this case, represents the OV
IN
symbol referenced in
MPC8378E PowerQUICC
™
II Pro Processor Hardware Specifications, Rev. 2
38
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
