Local Bus
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 14. MII Management Interface Timing Diagram
9
Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8541E.
9.1
Local Bus DC Electrical Characteristics
Table 29. Local Bus DC Electrical Characteristics
Parameter
Symbol
V
IH
V
IL
I
IN
V
OH
V
OL
Test Condition
V
OUT
≥
V
OH
(min) or
V
OUT
≤
V
OL
(max)
V
IN 1
= 0 V or V
IN
= V
DD
OV
DD
= min,
I
OH
= -2mA
OV
DD
= min, I
OL
= 2mA
Min
2
–0.3
—
OV
DD
– 0.2
—
Max
OV
DD
+ 0.3
0.8
±5
—
0.2
Unit
V
V
μA
V
V
provides the DC electrical characteristics for the local bus interface.
High-level input voltage
Low-level input voltage
Input current
High-level output voltage
Low-level output voltage
Note:
1. Note that the symbol V
IN
, in this case, represents the OV
IN
symbol referenced in
and
MPC8541E PowerQUICC™ III Integrated Communications Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
31
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
