Ethernet: Three-Speed Ethernet, MII Management
Table 32. MII Management DC Electrical Characteristics Powered at 2.5 V (continued)
Parameter
Input high current
Symbol
Conditions
Min
Max
Unit
IIH
IIL
VIN1 = LVDD
VIN = LVDD
—
10
—
μA
μA
Input low current
–15
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
Table 33. MII Management DC Electrical Characteristics Powered at 3.3 V
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage (3.3 V)
Output high voltage
Output low voltage
Input high voltage
Input low voltage
Input high current
Input low current
Note:
LVDD
VOH
VOL
VIH
VIL
—
2.97
2.10
GND
2.00
—
3.63
LVDD + 0.3
0.50
V
V
IOH = –1.0 mA
LVDD = Min
LVDD = Min
IOL = 1.0 mA
V
—
—
—
V
0.80
V
IIH
LVDD = Max
LVDD = Max
VIN1 = 2.1 V
VIN = 0.5 V
—
40
μA
μA
IIL
–600
—
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
8.3.2
MII Management AC Electrical Specifications
Table 34 provides the MII management AC timing specifications.
Table 34. MII Management AC Timing Specifications
At recommended operating conditions with LVDD is 3.3 V 10% or 2.5 V 5%.
Parameter/Condition
MDC frequency
Symbol1
Min
Typ
Max
Unit
Notes
fMDC
tMDC
—
—
32
10
5
2.5
400
—
—
—
—
70
—
—
10
MHz
ns
2
MDC period
—
—
3
MDC clock pulse width high
MDC to MDIO delay
MDIO to MDC setup time
MDIO to MDC hold time
MDC rise time
tMDCH
ns
tMDKHDX
tMDDVKH
tMDDXKH
tMDCR
—
ns
—
ns
—
—
—
0
—
ns
—
—
ns
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
Freescale Semiconductor
32
FREESCALE [ Freescale ]
