mpc8640 Freescale Semiconductor, Inc, mpc8640 Datasheet - Page 41

• Manufacturer Part Number: mpc8640
• Description: Integrated Host Processor
• Manufacturer: Freescale Semiconductor, Inc

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
9.2
Table 39
At recommended operating conditions with OV
Freescale Semiconductor
Supply voltage (3.3 V)
Output high voltage
(OV
Output low voltage
(OV
Input high voltage
Input low voltage
Input high current
(OV
Input low current
(OV
Note:
1. Note that the symbol V
MDC frequency
MDC period
MDC clock pulse width high
MDC to MDIO valid
MDC to MDIO delay
MDIO to MDC setup time
MDIO to MDC hold time
MDC rise time
DD
DD
DD
DD
= Min, I
= Min, I
= Max, V
= Max, V
provides the MII management AC timing specifications.
MII Management DC Electrical Characteristics
MII Management AC Electrical Specifications
Parameter
OH
OL
Parameter
IN
IN
= 1.0 mA)
MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
= –1.0 mA)
= 0.5 V)
1
= 2.1 V)
IN
, in this case, represents the OV
Table 38. MII Management DC Electrical Characteristics
Table 39. MII Management AC Timing Specifications
DD
Symbol
t
t
t
t
MDKHDV
MDKHDX
MDDVKH
MDDXKH
t
t
is 3.3 V ± 5%.
f
t
MDCH
MDCR
Table
MDC
MDC
Symbol
OV
V
V
V
V
I
I
1
OH
OL
IH
IL
IH
IL
DD
38.
16 × t
IN
Min
2.5
80
32
10
—
MPXCLK
5
0
symbol referenced in
3.135
–600
2.10
1.70
Min
—
—
—
Ethernet Management Interface Electrical Characteristics
Typ
—
—
—
—
—
—
—
—
Table 1
16 × t
and
Max
400
9.3
—
—
—
—
10
MPXCLK
3.465
Max
0.50
0.90
Table
40
—
—
—
2.
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
Unit
μA
μA
V
V
V
V
V
Notes
2, 4
3, 5
—
—
—
—
5
4
41