mpc8378 Freescale Semiconductor, Inc, mpc8378 Datasheet - Page 31
mpc8378
Manufacturer Part Number
mpc8378
Description
Powerquicc Ii Pro Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC8378.pdf
(127 pages)
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8.3.1
The MDC and MDIO are defined to operate at a supply voltage of 2.5 V or 3.3 V. The DC electrical
characteristics for MDIO and MDC are provided in
8.3.2
Table 33
Freescale Semiconductor
Supply voltage (2.5 V)
Output high voltage
Output low voltage
Input high voltage
Input low voltage
Input high current
Input low current
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
Supply voltage (3.3 V)
Output high voltage
Output low voltage
Input high voltage
Input low voltage
Input high current
Input low current
Parameter
Parameter
provides the MII management AC timing specifications.
Parameter
MII Management DC Electrical Characteristics
MII Management AC Electrical Specifications
Table 31. MII Management DC Electrical Characteristics When Powered at 2.5 V
Table 32. MII Management DC Electrical Characteristics When Powered at 3.3 V
MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
I
OH
I
OL
= –1.0 mA
= 1.0 mA
I
OH
LV
LV
I
OL
—
—
Table 33. MII Management AC Timing Specifications
DD1
DD1
= –1.0 mA
= 1.0 mA
= Max
= Max
Symbol
V
Conditions
V
t
t
t
t
MDKHDV
MDKHDX
MDDVKH
MDDXKH
t
IN
IN
f
t
MDCH
MDC
MDC
= LV
= LV
Conditions
—
1
DD1
DD1
LV
LV
LV
LV
—
—
—
DD1
DD1
DD1
DD1
2 × (t
= Min
= Min
= Min
= Min
V
LV
LV
V
plb_clk
IN
Min
2.5
IN
80
32
10
DD1
DD1
5
0
1
= 0.5 V
= 2.1 V
Table 31
= Min
= Min
× 8)
Symbol
LV
V
V
V
V
I
I
OH
DD1
IH
OL
IL
Typical
IH
IL
and
—
—
—
—
—
—
Ethernet: Enhanced Three-Speed Ethernet (eTSEC)
Symbol
Table
LV
V
V
V
V
I
I
OH
DD1
OL
IH
IL
IH
IL
GND – 0.3
2.37
2.00
–0.3
32.
2 × (t
Min
–15
1.7
—
plb_clk
Max
400
8.3
—
—
—
—
3.135
GND
–600
2.10
2.00
Min
—
—
× 8)
LV
DD1
Max
2.63
0.40
0.70
LV
—
20
—
MHz
Unit
+ 0.3
DD1
3.465
ns
ns
ns
ns
ns
ns
Max
0.50
0.80
30
—
—
+ 0.3
Notes
2, 3
3, 5
Unit
—
—
—
—
5
μA
μA
Unit
V
V
V
V
V
μA
μA
V
V
V
V
V
31